An MCP server that lets your coding agent build and query a graph of concepts, architecture, and decisions — so it remembers across sessions.
MegaMemory is an MCP project maintained in the 0xk3vin/megamemory repository. The maintainer describes its purpose as “An MCP server that lets your coding agent build and query a graph of concepts, architecture, and decisions — so it remembers across sessions”. Read the project documentation for the complete scope.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| 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. |
Read, search and edit files inside allowed directories with the Model Context Protocol reference Filesystem server.
Retrieve version-aware library documentation and code examples with Context7 MCP, using resolve-library-id and query-docs.
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