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Catalogmcp

Memory MCP

situationalSteady momentum

Official MCP memory server — a local entity graph the agent can read and write.

Visit github.com →Add to kitOpen in Noemium

ledger entry · observed by @whysanesanders

A local knowledge graph (entities, relations, observations) on disk. Fine as the reference memory, and still the snippet tutorials copy. If you want a product on this job, that is Cogni, not this demo.

Strengths

  • Official reference graph with entities, relations, and atomic observations.
  • Local, MIT, npx — no hosted memory leaving the machine.

Known limitations

  • Teaching graph, not a managed memory product.
  • Lives in the reference-servers repo; no support desk.
  • Effectiveness is whether the agent actually writes and recalls.

Use it when

  • A first persistent-memory MCP on one machine, one agent.
  • Demos of graph memory without a vendor account.

Skip it when

  • You need hosted, multi-client memory — use Cogni.
  • The agent already has project memory (Claude Code, Cursor, Noemium).
  • You expected search quality beyond exact entity names.

Buy-check

  • ·Price — free, MIT reference; npx -y @modelcontextprotocol/server-memory as of 2026-08-26. Open the pricing page, not a screenshot.
  • ·Free tier — Free tier exists — burn it first.
  • ·Cancel fallout — What happens to your data/projects on cancel — check the ToS, not the FAQ.
  • ·Seat math — Per-seat pricing multiplies quietly. Count seats before the annual plan.
  • ·Who skips it — Also skipped when: You need hosted, multi-client memory — use Cogni.; The agent already has project memory (Claude Code, Cursor, Noemium)..

Price trailchangelog →

No price move in this repo yet.

Facts

pricing
free1
price note
MIT reference; npx -y @modelcontextprotocol/server-memory
free tier
yes
open source
yes
api
no
self-host
yes
category
mcp
evidence
source-verified

Data: trains on inputs no · local processing yes

Sources

  1. 1github.com/modelcontextprotocol/servers/tree/main/src/memory[snapshot]

No source, no number.

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