diff --git a/trustgraph-base/trustgraph/base/base_processor.py b/trustgraph-base/trustgraph/base/base_processor.py
index b0fdd1bb..a5a819c2 100644
--- a/trustgraph-base/trustgraph/base/base_processor.py
+++ b/trustgraph-base/trustgraph/base/base_processor.py
@@ -1,4 +1,5 @@
 
+import asyncio
 import os
 import argparse
 import pulsar
@@ -83,11 +84,20 @@ class BaseProcessor:
             help=f'Pulsar host (default: 8000)',
         )
 
-    def run(self):
+    async def start(self):
+        pass
+
+    async def run(self):
         raise RuntimeError("Something should have implemented the run method")
 
     @classmethod
-    def start(cls, prog, doc):
+    async def launch_async(cls, args):
+        p = cls(**args)
+        await p.start()
+        await p.run()
+
+    @classmethod
+    def launch(cls, prog, doc):
 
         parser = argparse.ArgumentParser(
             prog=prog,
@@ -108,8 +118,7 @@ class BaseProcessor:
 
             try:
 
-                p = cls(**args)
-                p.run()
+                asyncio.run(cls.launch_async(args))
 
             except KeyboardInterrupt:
                 print("Keyboard interrupt.")
@@ -127,3 +136,4 @@ class BaseProcessor:
                 print("Will retry...", flush=True)
 
                 time.sleep(4)
+
diff --git a/trustgraph-base/trustgraph/base/consumer.py b/trustgraph-base/trustgraph/base/consumer.py
index 521dd3c1..175f1fd7 100644
--- a/trustgraph-base/trustgraph/base/consumer.py
+++ b/trustgraph-base/trustgraph/base/consumer.py
@@ -1,4 +1,5 @@
 
+import asyncio
 from pulsar.schema import JsonSchema
 import pulsar
 from prometheus_client import Histogram, Info, Counter, Enum
@@ -75,7 +76,7 @@ class Consumer(BaseProcessor):
 
         print("Initialised consumer.", flush=True)
 
-    def run(self):
+    async def run(self):
 
         __class__.state_metric.state('running')
 
@@ -104,7 +105,7 @@ class Consumer(BaseProcessor):
                 try:
 
                     with __class__.request_metric.time():
-                        self.handle(msg)
+                        await self.handle(msg)
 
                     # Acknowledge successful processing of the message
                     self.consumer.acknowledge(msg)
diff --git a/trustgraph-base/trustgraph/base/consumer_producer.py b/trustgraph-base/trustgraph/base/consumer_producer.py
index be9915ce..1006f9b5 100644
--- a/trustgraph-base/trustgraph/base/consumer_producer.py
+++ b/trustgraph-base/trustgraph/base/consumer_producer.py
@@ -42,7 +42,7 @@ class ConsumerProducer(Consumer):
 
         print("Initialised consumer/producer.")
 
-    def send(self, msg, properties={}):
+    async def send(self, msg, properties={}):
         self.producer.send(msg, properties)
         __class__.output_metric.inc()
 
diff --git a/trustgraph-base/trustgraph/base/producer.py b/trustgraph-base/trustgraph/base/producer.py
index 84d7fc99..bc2d7791 100644
--- a/trustgraph-base/trustgraph/base/producer.py
+++ b/trustgraph-base/trustgraph/base/producer.py
@@ -37,7 +37,7 @@ class Producer(BaseProcessor):
             chunking_enabled=True,
         )
 
-    def send(self, msg, properties={}):
+    async def send(self, msg, properties={}):
         self.producer.send(msg, properties)
         __class__.output_metric.inc()
 
diff --git a/trustgraph-bedrock/trustgraph/model/text_completion/bedrock/llm.py b/trustgraph-bedrock/trustgraph/model/text_completion/bedrock/llm.py
index f46e35fb..3bca324d 100755
--- a/trustgraph-bedrock/trustgraph/model/text_completion/bedrock/llm.py
+++ b/trustgraph-bedrock/trustgraph/model/text_completion/bedrock/llm.py
@@ -109,7 +109,7 @@ class Processor(ConsumerProducer):
 
         print("Initialised", flush=True)
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
 
@@ -341,5 +341,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-embeddings-hf/trustgraph/embeddings/hf/hf.py b/trustgraph-embeddings-hf/trustgraph/embeddings/hf/hf.py
index 4b3b39c1..5470333b 100755
--- a/trustgraph-embeddings-hf/trustgraph/embeddings/hf/hf.py
+++ b/trustgraph-embeddings-hf/trustgraph/embeddings/hf/hf.py
@@ -40,7 +40,7 @@ class Processor(ConsumerProducer):
 
         self.embeddings = HuggingFaceEmbeddings(model_name=model)
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
 
@@ -96,5 +96,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/agent/react/service.py b/trustgraph-flow/trustgraph/agent/react/service.py
index 2414ea13..684ebe5a 100755
--- a/trustgraph-flow/trustgraph/agent/react/service.py
+++ b/trustgraph-flow/trustgraph/agent/react/service.py
@@ -189,7 +189,7 @@ class Processor(ConsumerProducer):
 
         return json.loads(json_str)
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         try:
 
@@ -229,7 +229,7 @@ class Processor(ConsumerProducer):
                     observation=None,
                 )
 
-                self.producer.send(r, properties={"id": id})
+                await self.producer.send(r, properties={"id": id})
 
             def observe(x):
 
@@ -242,7 +242,7 @@ class Processor(ConsumerProducer):
                     observation=x,
                 )
 
-                self.producer.send(r, properties={"id": id})
+                await self.producer.send(r, properties={"id": id})
 
             act = self.agent.react(v.question, history, think, observe)
 
@@ -258,7 +258,7 @@ class Processor(ConsumerProducer):
                     thought=None,
                 )
 
-                self.producer.send(r, properties={"id": id})
+                await self.producer.send(r, properties={"id": id})
 
                 print("Done.", flush=True)
 
@@ -281,7 +281,7 @@ class Processor(ConsumerProducer):
                 ]
             )
 
-            self.recursive_input.send(r, properties={"id": id})
+            await self.recursive_input.send(r, properties={"id": id})
 
             print("Done.", flush=True)
 
@@ -301,7 +301,7 @@ class Processor(ConsumerProducer):
                 response=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.producer.send(r, properties={"id": id})
 
     @staticmethod
     def add_args(parser):
@@ -377,5 +377,5 @@ description.'''
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/chunking/recursive/chunker.py b/trustgraph-flow/trustgraph/chunking/recursive/chunker.py
index 694ced70..82f333b5 100755
--- a/trustgraph-flow/trustgraph/chunking/recursive/chunker.py
+++ b/trustgraph-flow/trustgraph/chunking/recursive/chunker.py
@@ -52,7 +52,7 @@ class Processor(ConsumerProducer):
             is_separator_regex=False,
         )
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
         print(f"Chunking {v.metadata.id}...", flush=True)
@@ -70,7 +70,7 @@ class Processor(ConsumerProducer):
 
             __class__.chunk_metric.observe(len(chunk.page_content))
 
-            self.send(r)
+            await self.send(r)
 
         print("Done.", flush=True)
 
@@ -98,5 +98,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/chunking/token/chunker.py b/trustgraph-flow/trustgraph/chunking/token/chunker.py
index dccd9c89..c625b48c 100755
--- a/trustgraph-flow/trustgraph/chunking/token/chunker.py
+++ b/trustgraph-flow/trustgraph/chunking/token/chunker.py
@@ -51,7 +51,7 @@ class Processor(ConsumerProducer):
             chunk_overlap=chunk_overlap,
         )
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
         print(f"Chunking {v.metadata.id}...", flush=True)
@@ -69,7 +69,7 @@ class Processor(ConsumerProducer):
 
             __class__.chunk_metric.observe(len(chunk.page_content))
 
-            self.send(r)
+            await self.send(r)
 
         print("Done.", flush=True)
 
@@ -97,5 +97,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/decoding/pdf/pdf_decoder.py b/trustgraph-flow/trustgraph/decoding/pdf/pdf_decoder.py
index 38ac9257..5e5e3612 100755
--- a/trustgraph-flow/trustgraph/decoding/pdf/pdf_decoder.py
+++ b/trustgraph-flow/trustgraph/decoding/pdf/pdf_decoder.py
@@ -39,7 +39,7 @@ class Processor(ConsumerProducer):
 
         print("PDF inited")
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         print("PDF message received")
 
@@ -64,7 +64,7 @@ class Processor(ConsumerProducer):
                         text=page.page_content.encode("utf-8"),
                     )
 
-                    self.send(r)
+                    await self.send(r)
 
         print("Done.", flush=True)
 
@@ -78,5 +78,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/embeddings/document_embeddings/embeddings.py b/trustgraph-flow/trustgraph/embeddings/document_embeddings/embeddings.py
index 745ab4db..6a4a4a67 100755
--- a/trustgraph-flow/trustgraph/embeddings/document_embeddings/embeddings.py
+++ b/trustgraph-flow/trustgraph/embeddings/document_embeddings/embeddings.py
@@ -52,7 +52,7 @@ class Processor(ConsumerProducer):
             subscriber=module + "-emb",
         )
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
         print(f"Indexing {v.metadata.id}...", flush=True)
@@ -73,7 +73,7 @@ class Processor(ConsumerProducer):
                 chunks=embeds,
             )
 
-            self.producer.send(r)
+            await self.send(r)
 
         except Exception as e:
             print("Exception:", e, flush=True)
@@ -105,5 +105,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/embeddings/fastembed/processor.py b/trustgraph-flow/trustgraph/embeddings/fastembed/processor.py
index 635387b8..253d77ac 100755
--- a/trustgraph-flow/trustgraph/embeddings/fastembed/processor.py
+++ b/trustgraph-flow/trustgraph/embeddings/fastembed/processor.py
@@ -41,7 +41,7 @@ class Processor(ConsumerProducer):
 
         self.embeddings = TextEmbedding(model_name = model)
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
 
@@ -65,7 +65,7 @@ class Processor(ConsumerProducer):
             error=None,
         )
 
-        self.producer.send(r, properties={"id": id})
+        await self.producer.send(r, properties={"id": id})
 
         print("Done.", flush=True)
 
@@ -85,5 +85,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/embeddings/graph_embeddings/embeddings.py b/trustgraph-flow/trustgraph/embeddings/graph_embeddings/embeddings.py
index e4d1646e..2cbe9907 100755
--- a/trustgraph-flow/trustgraph/embeddings/graph_embeddings/embeddings.py
+++ b/trustgraph-flow/trustgraph/embeddings/graph_embeddings/embeddings.py
@@ -52,7 +52,7 @@ class Processor(ConsumerProducer):
             subscriber=module + "-emb",
         )
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
         print(f"Indexing {v.metadata.id}...", flush=True)
@@ -77,7 +77,7 @@ class Processor(ConsumerProducer):
                 entities=entities,
             )
 
-            self.producer.send(r)
+            await self.send(r)
 
         except Exception as e:
             print("Exception:", e, flush=True)
@@ -109,5 +109,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/embeddings/ollama/processor.py b/trustgraph-flow/trustgraph/embeddings/ollama/processor.py
index 5baf64aa..f9dd87a9 100755
--- a/trustgraph-flow/trustgraph/embeddings/ollama/processor.py
+++ b/trustgraph-flow/trustgraph/embeddings/ollama/processor.py
@@ -45,7 +45,7 @@ class Processor(ConsumerProducer):
         self.client = Client(host=ollama)
         self.model = model
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
 
@@ -67,7 +67,7 @@ class Processor(ConsumerProducer):
             error=None,
         )
 
-        self.producer.send(r, properties={"id": id})
+        await self.producer.send(r, properties={"id": id})
 
         print("Done.", flush=True)
 
@@ -93,5 +93,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/external/wikipedia/service.py b/trustgraph-flow/trustgraph/external/wikipedia/service.py
index 932e1213..a269c8ce 100644
--- a/trustgraph-flow/trustgraph/external/wikipedia/service.py
+++ b/trustgraph-flow/trustgraph/external/wikipedia/service.py
@@ -39,7 +39,7 @@ class Processor(ConsumerProducer):
 
         self.url = url
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
 
@@ -60,7 +60,7 @@ class Processor(ConsumerProducer):
                 text=resp
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.producer.send(r, properties={"id": id})
 
             self.consumer.acknowledge(msg)
 
@@ -75,7 +75,7 @@ class Processor(ConsumerProducer):
                 ),
                 text=None,
             )
-            self.producer.send(r, properties={"id": id})
+            await self.producer.send(r, properties={"id": id})
 
             self.consumer.acknowledge(msg)
 
@@ -98,5 +98,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/extract/kg/definitions/extract.py b/trustgraph-flow/trustgraph/extract/kg/definitions/extract.py
index dcb1123e..c88005b7 100755
--- a/trustgraph-flow/trustgraph/extract/kg/definitions/extract.py
+++ b/trustgraph-flow/trustgraph/extract/kg/definitions/extract.py
@@ -96,15 +96,15 @@ class Processor(ConsumerProducer):
 
         return self.prompt.request_definitions(chunk)
 
-    def emit_edges(self, metadata, triples):
+    async def emit_edges(self, metadata, triples):
 
         t = Triples(
             metadata=metadata,
             triples=triples,
         )
-        self.producer.send(t)
+        await self.send(t)
 
-    def emit_ecs(self, metadata, entities):
+    async def emit_ecs(self, metadata, entities):
 
         t = EntityContexts(
             metadata=metadata,
@@ -112,7 +112,7 @@ class Processor(ConsumerProducer):
         )
         self.ec_prod.send(t)
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
         print(f"Indexing {v.metadata.id}...", flush=True)
@@ -171,7 +171,7 @@ class Processor(ConsumerProducer):
                 entities.append(ec)
                     
 
-            self.emit_edges(
+            await self.emit_edges(
                 Metadata(
                     id=v.metadata.id,
                     metadata=[],
@@ -181,7 +181,7 @@ class Processor(ConsumerProducer):
                 triples
             )
 
-            self.emit_ecs(
+            await self.emit_ecs(
                 Metadata(
                     id=v.metadata.id,
                     metadata=[],
@@ -224,5 +224,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/extract/kg/relationships/extract.py b/trustgraph-flow/trustgraph/extract/kg/relationships/extract.py
index 0fd7b9a8..82973662 100755
--- a/trustgraph-flow/trustgraph/extract/kg/relationships/extract.py
+++ b/trustgraph-flow/trustgraph/extract/kg/relationships/extract.py
@@ -71,15 +71,15 @@ class Processor(ConsumerProducer):
 
         return self.prompt.request_relationships(chunk)
 
-    def emit_edges(self, metadata, triples):
+    async def emit_edges(self, metadata, triples):
 
         t = Triples(
             metadata=metadata,
             triples=triples,
         )
-        self.producer.send(t)
+        await self.send(t)
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
         print(f"Indexing {v.metadata.id}...", flush=True)
@@ -166,7 +166,7 @@ class Processor(ConsumerProducer):
                         o=Value(value=v.metadata.id, is_uri=True)
                     ))
 
-            self.emit_edges(
+            await self.emit_edges(
                 Metadata(
                     id=v.metadata.id,
                     metadata=[],
@@ -203,5 +203,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/extract/kg/topics/extract.py b/trustgraph-flow/trustgraph/extract/kg/topics/extract.py
index 9181ae2c..efac2c05 100755
--- a/trustgraph-flow/trustgraph/extract/kg/topics/extract.py
+++ b/trustgraph-flow/trustgraph/extract/kg/topics/extract.py
@@ -69,15 +69,15 @@ class Processor(ConsumerProducer):
 
         return self.prompt.request_topics(chunk)
 
-    def emit_edge(self, metadata, s, p, o):
+    async def emit_edge(self, metadata, s, p, o):
 
         t = Triples(
             metadata=metadata,
             triples=[Triple(s=s, p=p, o=o)],
         )
-        self.producer.send(t)
+        await self.send(t)
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
         print(f"Indexing {v.metadata.id}...", flush=True)
@@ -104,7 +104,9 @@ class Processor(ConsumerProducer):
                 s_value = Value(value=str(s_uri), is_uri=True)
                 o_value = Value(value=str(o), is_uri=False)
 
-                self.emit_edge(v. metadata, s_value, DEFINITION_VALUE, o_value)
+                await self.emit_edge(
+                    v.metadata, s_value, DEFINITION_VALUE, o_value
+                )
 
         except Exception as e:
             print("Exception: ", e, flush=True)
@@ -133,5 +135,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/extract/object/row/extract.py b/trustgraph-flow/trustgraph/extract/object/row/extract.py
index 185a59c3..73aa5edc 100755
--- a/trustgraph-flow/trustgraph/extract/object/row/extract.py
+++ b/trustgraph-flow/trustgraph/extract/object/row/extract.py
@@ -129,16 +129,16 @@ class Processor(ConsumerProducer):
         t = Rows(
             metadata=metadata, row_schema=self.row_schema, rows=rows
         )
-        self.producer.send(t)
+        await self.producer.send(t)
 
     def emit_vec(self, metadata, name, vec, key_name, key):
 
         r = ObjectEmbeddings(
             metadata=metadata, vectors=vec, name=name, key_name=key_name, id=key
         )
-        self.vec_prod.send(r)
+        await self.vec_prod.send(r)
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
         print(f"Indexing {v.metadata.id}...", flush=True)
@@ -216,5 +216,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/gateway/document_embeddings_load.py b/trustgraph-flow/trustgraph/gateway/document_embeddings_load.py
index 39228221..17568eda 100644
--- a/trustgraph-flow/trustgraph/gateway/document_embeddings_load.py
+++ b/trustgraph-flow/trustgraph/gateway/document_embeddings_load.py
@@ -59,6 +59,6 @@ class DocumentEmbeddingsLoadEndpoint(SocketEndpoint):
                     ],
                 )
 
-                self.publisher.send(None, elt)
+                await self.publisher.send(None, elt)
 
         running.stop()
diff --git a/trustgraph-flow/trustgraph/gateway/graph_embeddings_load.py b/trustgraph-flow/trustgraph/gateway/graph_embeddings_load.py
index e3fa1302..2b1f8291 100644
--- a/trustgraph-flow/trustgraph/gateway/graph_embeddings_load.py
+++ b/trustgraph-flow/trustgraph/gateway/graph_embeddings_load.py
@@ -59,7 +59,7 @@ class GraphEmbeddingsLoadEndpoint(SocketEndpoint):
                     ]
                 )
 
-                self.publisher.send(None, elt)
+                await self.publisher.send(None, elt)
 
 
         running.stop()
diff --git a/trustgraph-flow/trustgraph/gateway/triples_load.py b/trustgraph-flow/trustgraph/gateway/triples_load.py
index f2ebd040..88fecd88 100644
--- a/trustgraph-flow/trustgraph/gateway/triples_load.py
+++ b/trustgraph-flow/trustgraph/gateway/triples_load.py
@@ -51,7 +51,7 @@ class TriplesLoadEndpoint(SocketEndpoint):
                     triples=to_subgraph(data["triples"]),
                 )
 
-                self.publisher.send(None, elt)
+                await self.publisher.send(None, elt)
 
 
         running.stop()
diff --git a/trustgraph-flow/trustgraph/librarian/librarian.py b/trustgraph-flow/trustgraph/librarian/librarian.py
index df06c707..08010f3f 100644
--- a/trustgraph-flow/trustgraph/librarian/librarian.py
+++ b/trustgraph-flow/trustgraph/librarian/librarian.py
@@ -26,7 +26,7 @@ class Librarian:
         self.load_document = load_document
         self.load_text = load_text
 
-    def add(self, id, document):
+    async def add(self, id, document):
 
         if document.kind not in (
                 "text/plain", "application/pdf"
@@ -41,9 +41,9 @@ class Librarian:
         self.table_store.add(object_id, document)
 
         if document.kind == "application/pdf":
-            self.load_document(id, document)
+            await self.load_document(id, document)
         elif document.kind == "text/plain":
-            self.load_text(id, document)
+            await self.load_text(id, document)
 
         print("Add complete", flush=True)
 
@@ -53,3 +53,4 @@ class Librarian:
             info = None,
         )
 
+
diff --git a/trustgraph-flow/trustgraph/librarian/service.py b/trustgraph-flow/trustgraph/librarian/service.py
index 42c3b585..ade4ca38 100755
--- a/trustgraph-flow/trustgraph/librarian/service.py
+++ b/trustgraph-flow/trustgraph/librarian/service.py
@@ -110,14 +110,7 @@ class Processor(ConsumerProducer):
             listener=self.pulsar_listener,
         )
 
-        self.document_load.start()
-        self.text_load.start()
-        self.triples_load.start()
-
-        self.triples_sub = self.triples_load.subscribe_all("x")
-
         self.triples_reader = threading.Thread(target=self.receive_triples)
-        self.triples_reader.start()
 
         self.librarian = Librarian(
             cassandra_host = cassandra_host.split(","),
@@ -134,6 +127,16 @@ class Processor(ConsumerProducer):
 
         print("Initialised.", flush=True)
 
+    async def start(self):
+        
+        self.document_load.start()
+        self.text_load.start()
+        self.triples_load.start()
+
+        self.triples_sub = self.triples_load.subscribe_all("x")
+
+        self.triples_reader.start()
+
     def receive_triples(self):
 
         print("Receive triples!")
@@ -168,7 +171,7 @@ class Processor(ConsumerProducer):
             self.triples_load.stop()
             self.triples_load.join()
 
-    def load_document(self, id, document):
+    async def load_document(self, id, document):
 
         doc = Document(
             metadata = Metadata(
@@ -182,7 +185,7 @@ class Processor(ConsumerProducer):
 
         self.document_load.send(None, doc)
 
-    def load_text(self, id, document):
+    async def load_text(self, id, document):
 
         doc = TextDocument(
             metadata = Metadata(
@@ -202,7 +205,6 @@ class Processor(ConsumerProducer):
             raise RequestError("Null operation")
 
         if v.operation == "add":
-            print(v)
             if (
                     v.id and v.document and v.document.metadata and
                     v.document.document and v.document.kind
@@ -217,7 +219,7 @@ class Processor(ConsumerProducer):
 
         raise RequestError("Invalid operation: " + v.operation)
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
 
@@ -236,11 +238,11 @@ class Processor(ConsumerProducer):
                     message = str(e),
                 )
             )
-            self.producer.send(resp, properties={"id": id})
+            await self.send(resp, properties={"id": id})
             return
 
         try:
-            resp = func()
+            resp = await func()
         except RequestError as e:
             resp = LibrarianResponse(
                 error = Error(
@@ -248,7 +250,7 @@ class Processor(ConsumerProducer):
                     message = str(e),
                 )
             )
-            self.producer.send(resp, properties={"id": id})
+            await self.send(resp, properties={"id": id})
             return
         except Exception as e:
             print("Exception:", e, flush=True)
@@ -258,12 +260,12 @@ class Processor(ConsumerProducer):
                     message = "Unhandled error: " + str(e),
                 )
             )
-            self.producer.send(resp, properties={"id": id})
+            await self.send(resp, properties={"id": id})
             return
 
         print("Send response...", flush=True)
 
-        self.producer.send(resp, properties={"id": id})
+        await self.send(resp, properties={"id": id})
 
         print("Done.", flush=True)
 
@@ -348,5 +350,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/metering/counter.py b/trustgraph-flow/trustgraph/metering/counter.py
index 6e6b829b..68ddf441 100644
--- a/trustgraph-flow/trustgraph/metering/counter.py
+++ b/trustgraph-flow/trustgraph/metering/counter.py
@@ -57,7 +57,7 @@ class Processor(Consumer):
                 return model["input_price"], model["output_price"]
         return None, None  # Return None if model is not found
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
         modelname = v.model
@@ -98,4 +98,4 @@ class Processor(Consumer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
diff --git a/trustgraph-flow/trustgraph/model/prompt/generic/service.py b/trustgraph-flow/trustgraph/model/prompt/generic/service.py
index 96c9be57..d4c1846d 100755
--- a/trustgraph-flow/trustgraph/model/prompt/generic/service.py
+++ b/trustgraph-flow/trustgraph/model/prompt/generic/service.py
@@ -77,7 +77,7 @@ class Processor(ConsumerProducer):
 
         return json.loads(json_str)
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
 
@@ -91,32 +91,32 @@ class Processor(ConsumerProducer):
 
         if kind == "extract-definitions":
 
-            self.handle_extract_definitions(id, v)
+            await self.handle_extract_definitions(id, v)
             return
 
         elif kind == "extract-topics":
 
-            self.handle_extract_topics(id, v)
+            await self.handle_extract_topics(id, v)
             return
 
         elif kind == "extract-relationships":
 
-            self.handle_extract_relationships(id, v)
+            await self.handle_extract_relationships(id, v)
             return
 
         elif kind == "extract-rows":
 
-            self.handle_extract_rows(id, v)
+            await self.handle_extract_rows(id, v)
             return
 
         elif kind == "kg-prompt":
 
-            self.handle_kg_prompt(id, v)
+            await self.handle_kg_prompt(id, v)
             return
 
         elif kind == "document-prompt":
 
-            self.handle_document_prompt(id, v)
+            await self.handle_document_prompt(id, v)
             return
 
         else:
@@ -124,7 +124,7 @@ class Processor(ConsumerProducer):
             print("Invalid kind.", flush=True)
             return
 
-    def handle_extract_definitions(self, id, v):
+    async def handle_extract_definitions(self, id, v):
 
         try:
 
@@ -163,7 +163,7 @@ class Processor(ConsumerProducer):
 
             print("Send response...", flush=True)
             r = PromptResponse(definitions=output, error=None)
-            self.producer.send(r, properties={"id": id})
+            await self.producer.send(r, properties={"id": id})
 
             print("Done.", flush=True)
         
@@ -181,9 +181,9 @@ class Processor(ConsumerProducer):
                 response=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.producer.send(r, properties={"id": id})
 
-    def handle_extract_topics(self, id, v):
+    async def handle_extract_topics(self, id, v):
 
         try:
 
@@ -222,7 +222,7 @@ class Processor(ConsumerProducer):
 
             print("Send response...", flush=True)
             r = PromptResponse(topics=output, error=None)
-            self.producer.send(r, properties={"id": id})
+            await self.producer.send(r, properties={"id": id})
 
             print("Done.", flush=True)
         
@@ -240,9 +240,9 @@ class Processor(ConsumerProducer):
                 response=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.producer.send(r, properties={"id": id})
 
-    def handle_extract_relationships(self, id, v):
+    async def handle_extract_relationships(self, id, v):
 
         try:
 
@@ -294,7 +294,7 @@ class Processor(ConsumerProducer):
 
             print("Send response...", flush=True)
             r = PromptResponse(relationships=output, error=None)
-            self.producer.send(r, properties={"id": id})
+            await self.producer.send(r, properties={"id": id})
 
             print("Done.", flush=True)
 
@@ -312,9 +312,9 @@ class Processor(ConsumerProducer):
                 response=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.producer.send(r, properties={"id": id})
 
-    def handle_extract_rows(self, id, v):
+    async def handle_extract_rows(self, id, v):
 
         try:
 
@@ -365,7 +365,7 @@ class Processor(ConsumerProducer):
 
             print("Send response...", flush=True)
             r = PromptResponse(rows=output, error=None)
-            self.producer.send(r, properties={"id": id})
+            await self.producer.send(r, properties={"id": id})
 
             print("Done.", flush=True)
 
@@ -383,9 +383,9 @@ class Processor(ConsumerProducer):
                 response=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.producer.send(r, properties={"id": id})
         
-    def handle_kg_prompt(self, id, v):
+    async def handle_kg_prompt(self, id, v):
 
         try:
 
@@ -399,7 +399,7 @@ class Processor(ConsumerProducer):
 
             print("Send response...", flush=True)
             r = PromptResponse(answer=ans, error=None)
-            self.producer.send(r, properties={"id": id})
+            await self.producer.send(r, properties={"id": id})
 
             print("Done.", flush=True)
 
@@ -417,9 +417,9 @@ class Processor(ConsumerProducer):
                 response=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.producer.send(r, properties={"id": id})
         
-    def handle_document_prompt(self, id, v):
+    async def handle_document_prompt(self, id, v):
 
         try:
 
@@ -436,7 +436,7 @@ class Processor(ConsumerProducer):
 
             print("Send response...", flush=True)
             r = PromptResponse(answer=ans, error=None)
-            self.producer.send(r, properties={"id": id})
+            await self.producer.send(r, properties={"id": id})
 
             print("Done.", flush=True)
 
@@ -454,7 +454,7 @@ class Processor(ConsumerProducer):
                 response=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.producer.send(r, properties={"id": id})
         
     @staticmethod
     def add_args(parser):
@@ -480,5 +480,5 @@ def run():
 
     raise RuntimeError("NOT IMPLEMENTED")
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/model/prompt/template/service.py b/trustgraph-flow/trustgraph/model/prompt/template/service.py
index 2e5416f4..f1f2c0ed 100755
--- a/trustgraph-flow/trustgraph/model/prompt/template/service.py
+++ b/trustgraph-flow/trustgraph/model/prompt/template/service.py
@@ -155,7 +155,7 @@ class Processor(ConsumerProducer):
             config = prompt_configuration,
         )
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
 
@@ -190,7 +190,7 @@ class Processor(ConsumerProducer):
                     error=None,
                 )
 
-                self.producer.send(r, properties={"id": id})
+                await self.send(r, properties={"id": id})
 
                 return
 
@@ -205,7 +205,7 @@ class Processor(ConsumerProducer):
                     error=None,
                 )
 
-                self.producer.send(r, properties={"id": id})
+                await self.send(r, properties={"id": id})
 
                 return
             
@@ -223,7 +223,7 @@ class Processor(ConsumerProducer):
                 response=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
         except Exception as e:
 
@@ -239,7 +239,7 @@ class Processor(ConsumerProducer):
                 response=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
     @staticmethod
     def add_args(parser):
@@ -293,5 +293,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/model/text_completion/azure/llm.py b/trustgraph-flow/trustgraph/model/text_completion/azure/llm.py
index 90be6962..8951b71e 100755
--- a/trustgraph-flow/trustgraph/model/text_completion/azure/llm.py
+++ b/trustgraph-flow/trustgraph/model/text_completion/azure/llm.py
@@ -123,7 +123,7 @@ class Processor(ConsumerProducer):
 
         return result
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
 
@@ -154,7 +154,7 @@ class Processor(ConsumerProducer):
             print("Send response...", flush=True)
 
             r = TextCompletionResponse(response=resp, error=None, in_token=inputtokens, out_token=outputtokens, model=self.model)
-            self.producer.send(r, properties={"id": id})
+            await self.producer.send(r, properties={"id": id})
 
         except TooManyRequests:
 
@@ -182,7 +182,7 @@ class Processor(ConsumerProducer):
                 model=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.producer.send(r, properties={"id": id})
 
             self.consumer.acknowledge(msg)
 
@@ -224,4 +224,4 @@ class Processor(ConsumerProducer):
 
 def run():
     
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
diff --git a/trustgraph-flow/trustgraph/model/text_completion/azure_openai/llm.py b/trustgraph-flow/trustgraph/model/text_completion/azure_openai/llm.py
index f5ecb8d6..53833898 100755
--- a/trustgraph-flow/trustgraph/model/text_completion/azure_openai/llm.py
+++ b/trustgraph-flow/trustgraph/model/text_completion/azure_openai/llm.py
@@ -84,7 +84,7 @@ class Processor(ConsumerProducer):
             azure_endpoint = endpoint,
             )
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
 
@@ -133,7 +133,7 @@ class Processor(ConsumerProducer):
                 model=self.model
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.producer.send(r, properties={"id": id})
 
         except RateLimitError:
 
@@ -161,7 +161,7 @@ class Processor(ConsumerProducer):
                 model=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.producer.send(r, properties={"id": id})
 
             self.consumer.acknowledge(msg)
 
@@ -212,4 +212,4 @@ class Processor(ConsumerProducer):
 
 def run():
     
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
diff --git a/trustgraph-flow/trustgraph/model/text_completion/claude/llm.py b/trustgraph-flow/trustgraph/model/text_completion/claude/llm.py
index 5cfd8907..195a39e4 100755
--- a/trustgraph-flow/trustgraph/model/text_completion/claude/llm.py
+++ b/trustgraph-flow/trustgraph/model/text_completion/claude/llm.py
@@ -73,7 +73,7 @@ class Processor(ConsumerProducer):
 
         print("Initialised", flush=True)
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
 
@@ -150,7 +150,7 @@ class Processor(ConsumerProducer):
                 model=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             self.consumer.acknowledge(msg)
 
@@ -190,6 +190,6 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
     
diff --git a/trustgraph-flow/trustgraph/model/text_completion/cohere/llm.py b/trustgraph-flow/trustgraph/model/text_completion/cohere/llm.py
index 5b8e3ba9..4b18f7f1 100755
--- a/trustgraph-flow/trustgraph/model/text_completion/cohere/llm.py
+++ b/trustgraph-flow/trustgraph/model/text_completion/cohere/llm.py
@@ -69,7 +69,7 @@ class Processor(ConsumerProducer):
 
         print("Initialised", flush=True)
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
 
@@ -106,7 +106,7 @@ class Processor(ConsumerProducer):
 
             print("Send response...", flush=True)
             r = TextCompletionResponse(response=resp, error=None, in_token=inputtokens, out_token=outputtokens, model=self.model)
-            self.send(r, properties={"id": id})
+            self.await send(r, properties={"id": id})
 
             print("Done.", flush=True)
 
@@ -136,7 +136,7 @@ class Processor(ConsumerProducer):
                 model=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.producer.send(r, properties={"id": id})
 
             self.consumer.acknowledge(msg)
 
@@ -169,6 +169,6 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
     
diff --git a/trustgraph-flow/trustgraph/model/text_completion/googleaistudio/llm.py b/trustgraph-flow/trustgraph/model/text_completion/googleaistudio/llm.py
index 5d5b23a0..98ecaf0e 100644
--- a/trustgraph-flow/trustgraph/model/text_completion/googleaistudio/llm.py
+++ b/trustgraph-flow/trustgraph/model/text_completion/googleaistudio/llm.py
@@ -102,7 +102,7 @@ class Processor(ConsumerProducer):
 
         print("Initialised", flush=True)
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
 
@@ -146,7 +146,7 @@ class Processor(ConsumerProducer):
                 out_token=outputtokens,
                 model=self.model
             )
-            self.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             print("Done.", flush=True)
 
@@ -177,7 +177,7 @@ class Processor(ConsumerProducer):
                 model=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             self.consumer.acknowledge(msg)
 
@@ -217,6 +217,6 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
     
diff --git a/trustgraph-flow/trustgraph/model/text_completion/llamafile/llm.py b/trustgraph-flow/trustgraph/model/text_completion/llamafile/llm.py
index 65a2b171..483412a2 100755
--- a/trustgraph-flow/trustgraph/model/text_completion/llamafile/llm.py
+++ b/trustgraph-flow/trustgraph/model/text_completion/llamafile/llm.py
@@ -74,7 +74,7 @@ class Processor(ConsumerProducer):
 
         print("Initialised", flush=True)
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
 
@@ -122,7 +122,7 @@ class Processor(ConsumerProducer):
                 out_token=outputtokens,
                 model="llama.cpp"
             )
-            self.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             print("Done.", flush=True)
 
@@ -145,7 +145,7 @@ class Processor(ConsumerProducer):
                 model=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             self.consumer.acknowledge(msg)
 
@@ -185,6 +185,6 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
     
diff --git a/trustgraph-flow/trustgraph/model/text_completion/ollama/llm.py b/trustgraph-flow/trustgraph/model/text_completion/ollama/llm.py
index 8c5bd3dc..6d825bac 100755
--- a/trustgraph-flow/trustgraph/model/text_completion/ollama/llm.py
+++ b/trustgraph-flow/trustgraph/model/text_completion/ollama/llm.py
@@ -71,7 +71,7 @@ class Processor(ConsumerProducer):
         self.model = model
         self.llm = Client(host=ollama)
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
 
@@ -96,7 +96,7 @@ class Processor(ConsumerProducer):
 
             r = TextCompletionResponse(response=response_text, error=None, in_token=inputtokens, out_token=outputtokens, model="ollama")
 
-            self.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             print("Done.", flush=True)
 
@@ -119,7 +119,7 @@ class Processor(ConsumerProducer):
                 model=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             self.consumer.acknowledge(msg)
 
@@ -145,6 +145,6 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
     
diff --git a/trustgraph-flow/trustgraph/model/text_completion/openai/llm.py b/trustgraph-flow/trustgraph/model/text_completion/openai/llm.py
index c2b948d5..ebfae9ed 100755
--- a/trustgraph-flow/trustgraph/model/text_completion/openai/llm.py
+++ b/trustgraph-flow/trustgraph/model/text_completion/openai/llm.py
@@ -73,7 +73,7 @@ class Processor(ConsumerProducer):
 
         print("Initialised", flush=True)
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
 
@@ -126,7 +126,7 @@ class Processor(ConsumerProducer):
                 out_token=outputtokens,
                 model=self.model
             )
-            self.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             print("Done.", flush=True)
 
@@ -156,7 +156,7 @@ class Processor(ConsumerProducer):
                 model=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             self.consumer.acknowledge(msg)
 
@@ -196,6 +196,6 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
     
diff --git a/trustgraph-flow/trustgraph/query/doc_embeddings/milvus/service.py b/trustgraph-flow/trustgraph/query/doc_embeddings/milvus/service.py
index 8e106e6f..b16399e9 100755
--- a/trustgraph-flow/trustgraph/query/doc_embeddings/milvus/service.py
+++ b/trustgraph-flow/trustgraph/query/doc_embeddings/milvus/service.py
@@ -40,7 +40,7 @@ class Processor(ConsumerProducer):
 
         self.vecstore = DocVectors(store_uri)
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         try:
 
@@ -64,7 +64,7 @@ class Processor(ConsumerProducer):
 
             print("Send response...", flush=True)
             r = DocumentEmbeddingsResponse(documents=chunks, error=None)
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             print("Done.", flush=True)
 
@@ -82,7 +82,7 @@ class Processor(ConsumerProducer):
                 documents=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             self.consumer.acknowledge(msg)
 
@@ -102,5 +102,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/query/doc_embeddings/pinecone/service.py b/trustgraph-flow/trustgraph/query/doc_embeddings/pinecone/service.py
index b8502143..6a88671c 100755
--- a/trustgraph-flow/trustgraph/query/doc_embeddings/pinecone/service.py
+++ b/trustgraph-flow/trustgraph/query/doc_embeddings/pinecone/service.py
@@ -56,7 +56,7 @@ class Processor(ConsumerProducer):
             }
         )
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         try:
 
@@ -100,7 +100,7 @@ class Processor(ConsumerProducer):
 
             print("Send response...", flush=True)
             r = DocumentEmbeddingsResponse(documents=chunks, error=None)
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             print("Done.", flush=True)
 
@@ -118,7 +118,7 @@ class Processor(ConsumerProducer):
                 documents=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             self.consumer.acknowledge(msg)
 
@@ -143,5 +143,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/query/doc_embeddings/qdrant/service.py b/trustgraph-flow/trustgraph/query/doc_embeddings/qdrant/service.py
index dd53862f..128203ad 100755
--- a/trustgraph-flow/trustgraph/query/doc_embeddings/qdrant/service.py
+++ b/trustgraph-flow/trustgraph/query/doc_embeddings/qdrant/service.py
@@ -47,7 +47,7 @@ class Processor(ConsumerProducer):
 
         self.client = QdrantClient(url=store_uri, api_key=api_key)
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         try:
 
@@ -81,7 +81,7 @@ class Processor(ConsumerProducer):
 
             print("Send response...", flush=True)
             r = DocumentEmbeddingsResponse(documents=chunks, error=None)
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             print("Done.", flush=True)
 
@@ -99,7 +99,7 @@ class Processor(ConsumerProducer):
                 documents=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             self.consumer.acknowledge(msg)
 
@@ -125,5 +125,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/query/graph_embeddings/milvus/service.py b/trustgraph-flow/trustgraph/query/graph_embeddings/milvus/service.py
index b5f9ae5b..8dd8d04d 100755
--- a/trustgraph-flow/trustgraph/query/graph_embeddings/milvus/service.py
+++ b/trustgraph-flow/trustgraph/query/graph_embeddings/milvus/service.py
@@ -46,7 +46,7 @@ class Processor(ConsumerProducer):
         else:
             return Value(value=ent, is_uri=False)
         
-    def handle(self, msg):
+    async def handle(self, msg):
 
         try:
 
@@ -79,7 +79,7 @@ class Processor(ConsumerProducer):
 
             print("Send response...", flush=True)
             r = GraphEmbeddingsResponse(entities=entities, error=None)
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             print("Done.", flush=True)
 
@@ -97,7 +97,7 @@ class Processor(ConsumerProducer):
                 entities=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             self.consumer.acknowledge(msg)
 
@@ -117,5 +117,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/query/graph_embeddings/pinecone/service.py b/trustgraph-flow/trustgraph/query/graph_embeddings/pinecone/service.py
index 2534d278..90cfc6de 100755
--- a/trustgraph-flow/trustgraph/query/graph_embeddings/pinecone/service.py
+++ b/trustgraph-flow/trustgraph/query/graph_embeddings/pinecone/service.py
@@ -62,7 +62,7 @@ class Processor(ConsumerProducer):
         else:
             return Value(value=ent, is_uri=False)
         
-    def handle(self, msg):
+    async def handle(self, msg):
 
         try:
 
@@ -120,7 +120,7 @@ class Processor(ConsumerProducer):
 
             print("Send response...", flush=True)
             r = GraphEmbeddingsResponse(entities=entities, error=None)
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             print("Done.", flush=True)
 
@@ -138,7 +138,7 @@ class Processor(ConsumerProducer):
                 entities=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             self.consumer.acknowledge(msg)
 
@@ -163,5 +163,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/query/graph_embeddings/qdrant/service.py b/trustgraph-flow/trustgraph/query/graph_embeddings/qdrant/service.py
index 4e9492c6..dc3e28f3 100755
--- a/trustgraph-flow/trustgraph/query/graph_embeddings/qdrant/service.py
+++ b/trustgraph-flow/trustgraph/query/graph_embeddings/qdrant/service.py
@@ -52,7 +52,7 @@ class Processor(ConsumerProducer):
         else:
             return Value(value=ent, is_uri=False)
         
-    def handle(self, msg):
+    async def handle(self, msg):
 
         try:
 
@@ -106,7 +106,7 @@ class Processor(ConsumerProducer):
 
             print("Send response...", flush=True)
             r = GraphEmbeddingsResponse(entities=entities, error=None)
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             print("Done.", flush=True)
 
@@ -124,7 +124,7 @@ class Processor(ConsumerProducer):
                 entities=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             self.consumer.acknowledge(msg)
 
@@ -150,5 +150,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/query/triples/cassandra/service.py b/trustgraph-flow/trustgraph/query/triples/cassandra/service.py
index 22fbf84d..e3687756 100755
--- a/trustgraph-flow/trustgraph/query/triples/cassandra/service.py
+++ b/trustgraph-flow/trustgraph/query/triples/cassandra/service.py
@@ -53,7 +53,7 @@ class Processor(ConsumerProducer):
         else:
             return Value(value=ent, is_uri=False)
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         try:
 
@@ -154,7 +154,7 @@ class Processor(ConsumerProducer):
 
             print("Send response...", flush=True)
             r = TriplesQueryResponse(triples=triples, error=None)
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             print("Done.", flush=True)
 
@@ -172,7 +172,7 @@ class Processor(ConsumerProducer):
                 response=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             self.consumer.acknowledge(msg)
 
@@ -205,5 +205,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/query/triples/falkordb/service.py b/trustgraph-flow/trustgraph/query/triples/falkordb/service.py
index 1d77bb15..56fed6d3 100755
--- a/trustgraph-flow/trustgraph/query/triples/falkordb/service.py
+++ b/trustgraph-flow/trustgraph/query/triples/falkordb/service.py
@@ -54,7 +54,7 @@ class Processor(ConsumerProducer):
         else:
             return Value(value=ent, is_uri=False)
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         try:
 
@@ -301,7 +301,7 @@ class Processor(ConsumerProducer):
 
             print("Send response...", flush=True)
             r = TriplesQueryResponse(triples=triples, error=None)
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             print("Done.", flush=True)
 
@@ -319,7 +319,7 @@ class Processor(ConsumerProducer):
                 response=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             self.consumer.acknowledge(msg)
             
@@ -345,5 +345,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/query/triples/memgraph/service.py b/trustgraph-flow/trustgraph/query/triples/memgraph/service.py
index 46dd19e3..f442c4ef 100755
--- a/trustgraph-flow/trustgraph/query/triples/memgraph/service.py
+++ b/trustgraph-flow/trustgraph/query/triples/memgraph/service.py
@@ -58,7 +58,7 @@ class Processor(ConsumerProducer):
         else:
             return Value(value=ent, is_uri=False)
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         try:
 
@@ -313,7 +313,7 @@ class Processor(ConsumerProducer):
 
             print("Send response...", flush=True)
             r = TriplesQueryResponse(triples=triples, error=None)
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             print("Done.", flush=True)
 
@@ -331,7 +331,7 @@ class Processor(ConsumerProducer):
                 response=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             self.consumer.acknowledge(msg)
             
@@ -369,5 +369,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/query/triples/neo4j/service.py b/trustgraph-flow/trustgraph/query/triples/neo4j/service.py
index d60bc4f4..49ba0345 100755
--- a/trustgraph-flow/trustgraph/query/triples/neo4j/service.py
+++ b/trustgraph-flow/trustgraph/query/triples/neo4j/service.py
@@ -58,7 +58,7 @@ class Processor(ConsumerProducer):
         else:
             return Value(value=ent, is_uri=False)
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         try:
 
@@ -297,7 +297,7 @@ class Processor(ConsumerProducer):
 
             print("Send response...", flush=True)
             r = TriplesQueryResponse(triples=triples, error=None)
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             print("Done.", flush=True)
 
@@ -315,7 +315,7 @@ class Processor(ConsumerProducer):
                 response=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             self.consumer.acknowledge(msg)
             
@@ -353,5 +353,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/retrieval/document_rag/rag.py b/trustgraph-flow/trustgraph/retrieval/document_rag/rag.py
index 4310cdbd..29203b4c 100755
--- a/trustgraph-flow/trustgraph/retrieval/document_rag/rag.py
+++ b/trustgraph-flow/trustgraph/retrieval/document_rag/rag.py
@@ -78,7 +78,7 @@ class Processor(ConsumerProducer):
             module=module,
         )
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         try:
 
@@ -93,7 +93,7 @@ class Processor(ConsumerProducer):
 
             print("Send response...", flush=True)
             r = DocumentRagResponse(response = response, error=None)
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             print("Done.", flush=True)
 
@@ -111,7 +111,7 @@ class Processor(ConsumerProducer):
                 response=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             self.consumer.acknowledge(msg)
 
@@ -161,5 +161,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/retrieval/graph_rag/rag.py b/trustgraph-flow/trustgraph/retrieval/graph_rag/rag.py
index 1219050e..4f7b373c 100755
--- a/trustgraph-flow/trustgraph/retrieval/graph_rag/rag.py
+++ b/trustgraph-flow/trustgraph/retrieval/graph_rag/rag.py
@@ -97,7 +97,7 @@ class Processor(ConsumerProducer):
             module=module,
         )
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         try:
 
@@ -114,7 +114,7 @@ class Processor(ConsumerProducer):
 
             print("Send response...", flush=True)
             r = GraphRagResponse(response = response, error=None)
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             print("Done.", flush=True)
 
@@ -132,7 +132,7 @@ class Processor(ConsumerProducer):
                 response=None,
             )
 
-            self.producer.send(r, properties={"id": id})
+            await self.send(r, properties={"id": id})
 
             self.consumer.acknowledge(msg)
 
@@ -215,5 +215,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/storage/doc_embeddings/milvus/write.py b/trustgraph-flow/trustgraph/storage/doc_embeddings/milvus/write.py
index bfa6c123..b4dbc486 100755
--- a/trustgraph-flow/trustgraph/storage/doc_embeddings/milvus/write.py
+++ b/trustgraph-flow/trustgraph/storage/doc_embeddings/milvus/write.py
@@ -35,7 +35,7 @@ class Processor(Consumer):
 
         self.vecstore = DocVectors(store_uri)
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
 
@@ -65,5 +65,5 @@ class Processor(Consumer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/storage/doc_embeddings/pinecone/write.py b/trustgraph-flow/trustgraph/storage/doc_embeddings/pinecone/write.py
index c59ecd7b..9e91db9a 100644
--- a/trustgraph-flow/trustgraph/storage/doc_embeddings/pinecone/write.py
+++ b/trustgraph-flow/trustgraph/storage/doc_embeddings/pinecone/write.py
@@ -61,7 +61,7 @@ class Processor(Consumer):
 
         self.last_index_name = None
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
 
@@ -166,5 +166,5 @@ class Processor(Consumer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/storage/doc_embeddings/qdrant/write.py b/trustgraph-flow/trustgraph/storage/doc_embeddings/qdrant/write.py
index a01fd9e4..810c1931 100644
--- a/trustgraph-flow/trustgraph/storage/doc_embeddings/qdrant/write.py
+++ b/trustgraph-flow/trustgraph/storage/doc_embeddings/qdrant/write.py
@@ -42,7 +42,7 @@ class Processor(Consumer):
 
         self.client = QdrantClient(url=store_uri)
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
 
@@ -110,5 +110,5 @@ class Processor(Consumer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/storage/graph_embeddings/milvus/write.py b/trustgraph-flow/trustgraph/storage/graph_embeddings/milvus/write.py
index e1379577..b2d40306 100755
--- a/trustgraph-flow/trustgraph/storage/graph_embeddings/milvus/write.py
+++ b/trustgraph-flow/trustgraph/storage/graph_embeddings/milvus/write.py
@@ -34,7 +34,7 @@ class Processor(Consumer):
 
         self.vecstore = EntityVectors(store_uri)
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
 
@@ -59,5 +59,5 @@ class Processor(Consumer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/storage/graph_embeddings/pinecone/write.py b/trustgraph-flow/trustgraph/storage/graph_embeddings/pinecone/write.py
index a32ff627..83861b54 100755
--- a/trustgraph-flow/trustgraph/storage/graph_embeddings/pinecone/write.py
+++ b/trustgraph-flow/trustgraph/storage/graph_embeddings/pinecone/write.py
@@ -88,7 +88,7 @@ class Processor(Consumer):
                 "Gave up waiting for index creation"
             )
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
 
@@ -170,5 +170,5 @@ class Processor(Consumer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/storage/graph_embeddings/qdrant/write.py b/trustgraph-flow/trustgraph/storage/graph_embeddings/qdrant/write.py
index ffe33565..6b0d7371 100755
--- a/trustgraph-flow/trustgraph/storage/graph_embeddings/qdrant/write.py
+++ b/trustgraph-flow/trustgraph/storage/graph_embeddings/qdrant/write.py
@@ -67,7 +67,7 @@ class Processor(Consumer):
 
         return cname
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
 
@@ -117,5 +117,5 @@ class Processor(Consumer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/storage/object_embeddings/milvus/write.py b/trustgraph-flow/trustgraph/storage/object_embeddings/milvus/write.py
index 468b357a..5490af97 100755
--- a/trustgraph-flow/trustgraph/storage/object_embeddings/milvus/write.py
+++ b/trustgraph-flow/trustgraph/storage/object_embeddings/milvus/write.py
@@ -34,7 +34,7 @@ class Processor(Consumer):
 
         self.vecstore = ObjectVectors(store_uri)
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
 
@@ -57,5 +57,5 @@ class Processor(Consumer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/storage/rows/cassandra/write.py b/trustgraph-flow/trustgraph/storage/rows/cassandra/write.py
index fc8f6686..c8f3b9e1 100755
--- a/trustgraph-flow/trustgraph/storage/rows/cassandra/write.py
+++ b/trustgraph-flow/trustgraph/storage/rows/cassandra/write.py
@@ -62,7 +62,7 @@ class Processor(Consumer):
 
         self.session.execute("use trustgraph");
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         try:
 
@@ -143,5 +143,5 @@ class Processor(Consumer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/storage/triples/cassandra/write.py b/trustgraph-flow/trustgraph/storage/triples/cassandra/write.py
index d940d0ec..17b5ae9a 100755
--- a/trustgraph-flow/trustgraph/storage/triples/cassandra/write.py
+++ b/trustgraph-flow/trustgraph/storage/triples/cassandra/write.py
@@ -47,7 +47,7 @@ class Processor(Consumer):
         self.password = graph_password
         self.table = None
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
 
@@ -110,5 +110,5 @@ class Processor(Consumer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/storage/triples/falkordb/write.py b/trustgraph-flow/trustgraph/storage/triples/falkordb/write.py
index 3c7d1660..2d0ae38a 100755
--- a/trustgraph-flow/trustgraph/storage/triples/falkordb/write.py
+++ b/trustgraph-flow/trustgraph/storage/triples/falkordb/write.py
@@ -118,7 +118,7 @@ class Processor(Consumer):
             time=res.run_time_ms
         ))
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
 
@@ -154,5 +154,5 @@ class Processor(Consumer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/storage/triples/memgraph/write.py b/trustgraph-flow/trustgraph/storage/triples/memgraph/write.py
index 7295e691..620e669e 100755
--- a/trustgraph-flow/trustgraph/storage/triples/memgraph/write.py
+++ b/trustgraph-flow/trustgraph/storage/triples/memgraph/write.py
@@ -205,7 +205,7 @@ class Processor(Consumer):
                 src=t.s.value, dest=t.o.value, uri=t.p.value,
             )
         
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
 
@@ -256,5 +256,5 @@ class Processor(Consumer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-flow/trustgraph/storage/triples/neo4j/write.py b/trustgraph-flow/trustgraph/storage/triples/neo4j/write.py
index 18b40129..3323f912 100755
--- a/trustgraph-flow/trustgraph/storage/triples/neo4j/write.py
+++ b/trustgraph-flow/trustgraph/storage/triples/neo4j/write.py
@@ -158,7 +158,7 @@ class Processor(Consumer):
             time=summary.result_available_after
         ))
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         v = msg.value()
 
@@ -206,5 +206,5 @@ class Processor(Consumer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)
 
diff --git a/trustgraph-vertexai/trustgraph/model/text_completion/vertexai/llm.py b/trustgraph-vertexai/trustgraph/model/text_completion/vertexai/llm.py
index d6a2efec..efe63ea6 100755
--- a/trustgraph-vertexai/trustgraph/model/text_completion/vertexai/llm.py
+++ b/trustgraph-vertexai/trustgraph/model/text_completion/vertexai/llm.py
@@ -131,7 +131,7 @@ class Processor(ConsumerProducer):
 
         print("Initialisation complete", flush=True)
 
-    def handle(self, msg):
+    async def handle(self, msg):
 
         try:
 
@@ -248,5 +248,5 @@ class Processor(ConsumerProducer):
 
 def run():
 
-    Processor.start(module, __doc__)
+    Processor.launch(module, __doc__)