Limpet MCP Server

Persistent engineering memory for AI coding agents. Survives refactors, knows when it is stale.

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What is the Limpet MCP Server?

Persistent engineering memory for AI coding agents. Survives refactors, knows when it is stale.

What it actually does

the anchor lifecycle, real output: recall answers instantly, an edit flips the memory stale, a revert heals it

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Maintainer setup documentation.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

ToolWhat it does
recallTask description in, token-budgeted ranked memory pack out. Stale and contradicted items are always flagged, never hidden. Verified facts outrank unverified claims at equal relevance; an item without a source field is an
rememberStore a memory: fact, decision, episode, insight, or intent. Anchor it to code. Attach evidence to make it verified. A near-identical body on the same anchor is refused (naming the existing id to supersede; force: true o
mapStructural outline of a file or symbol plus every memory attached to it. For a symbol target it also returns lineage (ancestors, descendants, callers) with each edge labeled unique/ambiguous/unresolved. Code and knowledg
affectedWhat does my uncommitted diff touch: symbols, memories now at risk, and decisions constraining the code being edited.
verify_queueVerified facts whose anchored code changed, each with the exact command that originally proved it.
adminindex, status, forget, archive / restore, export / import (guarded), ledger / ledger_reset (the savings receipt). Archive shelves a memory without deleting it: hidden from recall while its staleness keeps tracking the co

Example prompts to try

  • “Use Limpet to recall.”
  • “Use Limpet to remember.”
  • “Use Limpet to map.”

Frequently asked questions

Persistent engineering memory for AI coding agents. Survives refactors, knows when it is stale. Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.