MegaMemory MCP server

Persistent project knowledge graph for coding agents. MCP server with semantic search, in-process embeddings, and web explorer.

What MegaMemory does

Summarised from the project README; check the repository for the latest details.

Tools exposed (9)

• understand – Semantic search over the knowledge graph. Returns matched concepts with children, edges, and parent context.
• get_concept – Look up a concept by its exact ID. Returns full context including children, edges, incoming edges, and parent.
• create_concept – Add a new concept with optional edges and file references.
• update_concept – Update fields on an existing concept. Regenerates embeddings automatically.
• link – Create a typed relationship between two concepts.
• remove_concept – Soft-delete a concept with a reason. History preserved.
• list_roots – List all top-level concepts with direct children.
• list_conflicts – List unresolved merge conflicts grouped by merge group.
• resolve_conflict – Resolve a merge conflict by providing verified, correct content based on the current codebase.

How to install MegaMemory

Featured in: Best MCP servers for long-term memory

Listed on Socketlist – add this badge to your README:

Badge markdown[](https://socketlist.pages.dev/s/0xk3vin-megamemory/)

Maintain this project? Get it featured for free during launch →

Compare with codebase-memory-mcp →

Related Databases MCP servers