MCP Memory Server
Reference MCP server that gives an agent a persistent knowledge graph — entities, relations, observations stored to disk and surfaced back across sessions. The simplest path to making an agent remember context between conversations without standing up a real vector store; an entry-tier alternative to Zep / Graphiti.
Overview
Reference MCP server that gives an agent a persistent knowledge graph — entities, relations, observations stored to disk and surfaced back across sessions. The simplest path to making an agent remember context between conversations without standing up a real vector store; an entry-tier alternative to Zep / Graphiti.
Stack & relationships
How MCP Memory Server relates to other entries in the catalog — recommended pairings, alternatives, dependencies, and edges to avoid. Each edge carries a one-line operator note from our editorial team.
Recommended stack
- Commonly deployed withClaude Desktop
Default memory layer for personal Claude Desktop setups. Reference implementation that Anthropic maintains.
Alternatives
- Alternative toMem0 (agent memory API)
MCP Memory is JSON-on-disk knowledge-graph memory — entry-tier. Mem0 is a richer drop-in API. Pick MCP Memory for trivial setup; Mem0 for production-grade memory.
- Alternative toLetta (memory framework)
MCP Memory is JSON-on-disk knowledge-graph memory — entry-tier. Letta is OS-style explicit management. Pick MCP Memory for trivial setup; Letta for production-grade memory.
- Alternative toZep (memory platform)
MCP Memory is graph-shaped but simple; Zep is graph-shaped and sophisticated. The architectural difference shows up at scale — MCP Memory wobbles past a few thousand entities; Zep doesn't.
Pros
- Persistent agent memory in one server install
- Knowledge-graph shape (entities + relations) not just blobs
- Reference-grade simplicity
Cons
- JSON-on-disk storage — not for production-scale memory
- No semantic search, only graph traversal
- No multi-agent isolation
Compatibility
| Operating systems | macOS Linux Windows |
| GPU backends | n/a |
| License | Open source · free (OSS, MIT) |
Runtime health
Operator-grade signals on how actively MCP Memory Server is being maintained, how fresh its measurements are, and what failure classes operators have flagged. Every label below is anchored to a real date or count — we never infer maintainer activity we can't show.
Release cadence
Derived from the most recent editorial signal on this row.
8 days since last refresh · source: lastUpdated
Benchmark freshness
How recent the editorial measurements on this runtime are.
No editorial benchmarks for this runtime yet.
Community reproduction
Submissions that match an editorial measurement on similar hardware.
No community reproductions on file yet.
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Frequently asked
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Does MCP Memory Server need a GPU?
Reviewed by RunLocalAI Editorial. See our editorial policy for how we evaluate tools.
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