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MCP Server

DeepMem

io.github.deepmemteam/deepmem
AI & Agents Public & reachable MCP 2025-11-25

What this MCP does

Stores conversation-derived memories and retrieves relevant facts through semantic search for AI agents.

Capabilities

Tools

2 tools
deepmem_search
Search memories stored in DeepMemory using semantic search. Returns the most relevant memories for the given query, ranked by hybrid scoring (vector similarity + BM25 keyword match + entity boost + time decay). Use this to retrieve context from past conversations before responding to the user. Memories are scoped to the user_id provided during write.
Input schema 
{'type': 'object', 'title': 'deepmem_searchArguments', 'required': ['query'], 'properties': {'query': {'type': 'string', 'title': 'Query'}, 'top_k': {'type': 'integer', 'title': 'Top K', 'default': 10}, 'api_key': {'type': 'string', 'title': 'Api Key', 'default': ''}, 'user_id': {'type': 'string', 'title': 'User Id', 'default': 'default'}, 'threshold': {'type': 'number', 'title': 'Threshold', 'default': 0.3}}}
deepmem_write
Write conversation messages to DeepMemory for fact extraction and persistent storage. Messages are processed by an LLM to extract structured memories, which are then embedded and stored in a vector database for later semantic search. Set infer=True to enable LLM fact extraction (produces richer memories but costs one LLM call). Set infer=False to store raw messages without extraction. Returns a list of memory IDs for successfully stored facts.
Input schema 
{'type': 'object', 'title': 'deepmem_writeArguments', 'required': ['messages'], 'properties': {'infer': {'type': 'boolean', 'title': 'Infer', 'default': True}, 'run_id': {'anyOf': [{'type': 'string'}, {'type': 'null'}], 'title': 'Run Id', 'default': None}, 'api_key': {'type': 'string', 'title': 'Api Key', 'default': ''}, 'user_id': {'type': 'string', 'title': 'User Id', 'default': 'default'}, 'agent_id': {'anyOf': [{'type': 'string'}, {'type': 'null'}], 'title': 'Agent Id', 'default': None}, 'messages': {'type': 'array', 'items': {'type': 'object', 'additionalProperties': True}, 'title': 'Messages'}}}
History

Recent tool changes

Added
deepmem_search
Sept. 17, 2026, 12:41 p.m.
Added
deepmem_write
Sept. 17, 2026, 12:41 p.m.
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