diff --git a/surfsense_backend/app/agents/multi_agent_chat/subagents/builtins/research/system_prompt.md b/surfsense_backend/app/agents/multi_agent_chat/subagents/builtins/research/system_prompt.md
index cf558db62..f1a22ddf1 100644
--- a/surfsense_backend/app/agents/multi_agent_chat/subagents/builtins/research/system_prompt.md
+++ b/surfsense_backend/app/agents/multi_agent_chat/subagents/builtins/research/system_prompt.md
@@ -50,4 +50,6 @@ Rules:
 - `status=success` -> `next_step=null`, `missing_fields=null`.
 - `status=partial|blocked|error` -> `next_step` must be non-null.
 - `status=blocked` due to missing required inputs -> `missing_fields` must be non-null.
+- `evidence.findings`: max 10 entries, each a single sentence stating one distinct fact. Do not paste raw paragraphs, scraped pages, or quote blocks.
+- `evidence.sources`: max 10 URLs, one per finding when applicable. List each URL once.
 </output_contract>