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mem0-mcp

v0.2.0

Published

A dedicated mem0 MCP server with file-backed storage and Ollama embeddings.

Vulnerabilities

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Links

Git

Maintainers

giulio-leonegiulio-leone

Keywords

mem0mcpollamamemory

Readme

mem0-mcp

A dedicated repository for the mem0 MCP server we developed: file-backed scoped memory records, mandatory checkpoint provenance, and Ollama-based embeddings.

Release notes and migration details live in CHANGELOG.md.

Installation

npm install -g mem0-mcp

Release Highlights (0.2.0)

  • Deterministic memory deduplication through a stable dedupe_key instead of similarity-based soft merging.
  • Config-aware setup_wizard that validates and pulls the configured embedding model instead of assuming one hard-coded model.
  • Abortable Ollama requests with MEM0_OLLAMA_TIMEOUT_MS across health checks and embedding calls.
  • MCP initialize now reports the real package version from package.json.
  • Package metadata is ready for installable distribution, including repository, homepage, and issue tracker links.

Architecture boundary

This repository contains only the mem0 server/runtime surface:

  • src/transport/mcp-server.ts
  • src/adapters/sqlite/sqlite-memory-store.ts
  • src/adapters/ollama/ollama-embedder.ts
  • src/bin/mem0-mcp.ts

Generic MCP transport mechanics are implemented inside this repository under src/transport/, so mem0-mcp can build and install independently without requiring sibling repositories.

Environment

  • MEM0_STORE_PATH (default: ~/.copilot/mem0)
  • OLLAMA_BASE_URL (default: http://127.0.0.1:11434)
  • MEM0_EMBED_MODEL (default: qwen3-embedding:latest)
  • MEM0_OLLAMA_TIMEOUT_MS (default: 10000)

Commands

npm install
npm run typecheck
npm run build
npm test
npm run mem0:mcp

Host Launch Guidance

If an MCP host isolates native modules poorly, prefer launching the server as node <absolute-path>/dist/bin/mem0-mcp.js instead of a symlinked shim. This avoids native module resolution failures around better-sqlite3 in some host runtimes.

Tool surface

  • health
  • memory_store
  • memory_recall
  • memory_search
  • memory_update
  • memory_forget
  • setup_wizard

License

This project is licensed under the Business Source License 1.1 (BSL).

You may use this software for non-commercial and non-production purposes (e.g., development, testing, research, and personal projects) free of charge.

Commercial and production use is strictly prohibited without prior written authorization.

On March 22, 2030 (the Change Date), this license automatically converts to the Apache License, Version 2.0.