mirror of
https://github.com/trustgraph-ai/trustgraph.git
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94 lines
No EOL
2.2 KiB
Python
94 lines
No EOL
2.2 KiB
Python
"""
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Invokes MCP (Model Control Protocol) tools through the TrustGraph API.
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Allows calling MCP tools by specifying the tool name and providing
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parameters as a JSON-encoded dictionary. The tool is executed within
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the context of a specified flow.
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"""
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import argparse
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import os
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import json
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from trustgraph.api import Api
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default_url = os.getenv("TRUSTGRAPH_URL", 'http://localhost:8088/')
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default_token = os.getenv("TRUSTGRAPH_TOKEN", None)
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default_workspace = os.getenv("TRUSTGRAPH_WORKSPACE", "default")
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def query(url, flow_id, name, parameters, token=None, workspace="default"):
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api = Api(url, token=token, workspace=workspace).flow().id(flow_id)
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resp = api.mcp_tool(name=name, parameters=parameters)
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if isinstance(resp, str):
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print(resp)
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else:
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print(json.dumps(resp, indent=4))
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def main():
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parser = argparse.ArgumentParser(
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prog='tg-invoke-mcp-tool',
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description=__doc__,
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)
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parser.add_argument(
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'-u', '--url',
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default=default_url,
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help=f'API URL (default: {default_url})',
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)
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parser.add_argument(
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'-t', '--token',
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default=default_token,
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help='Authentication token (default: $TRUSTGRAPH_TOKEN)',
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)
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parser.add_argument(
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'-w', '--workspace',
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default=default_workspace,
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help=f'Workspace (default: {default_workspace})',
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)
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parser.add_argument(
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'-f', '--flow-id',
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default="default",
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help=f'Flow ID (default: default)'
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)
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parser.add_argument(
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'-n', '--name',
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metavar='tool-name',
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help=f'MCP tool name',
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)
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parser.add_argument(
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'-P', '--parameters',
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help='''Tool parameters, should be JSON-encoded dict.''',
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)
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args = parser.parse_args()
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if args.parameters:
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parameters = json.loads(args.parameters)
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else:
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parameters = {}
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try:
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query(
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url = args.url,
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flow_id = args.flow_id,
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name = args.name,
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parameters = parameters,
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token = args.token,
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workspace = args.workspace,
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)
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except Exception as e:
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print("Exception:", e, flush=True)
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if __name__ == "__main__":
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main() |