Claude Memory Fts

What it is

A Node server that stores facts in SQLite at ~/.claude/memory.db and searches them two ways at once — FTS5 keyword search and semantic vector similarity, merged with Reciprocal Rank Fusion. A setup command installs a hook that injects the most important memories into every prompt.

What you get

• memory_save stores a fact, optionally categorised as preference, decision, technical, project, workflow, personal or general
• memory_search runs FTS5 and semantic search in parallel and merges them, with a LIKE fallback for partial matches
• memory_list, memory_update and memory_delete read the store and keep it correct
• Saving a fact that already exists updates it instead of creating a second copy
• Importance ranking by access frequency, recency decay and category weight, so what surfaces is what gets used
• A memory://context resource exposes the session context to the client directly

Requirements

Node with npx: claude mcp add memory -- npx claude-memory-fts. No account and no key — the database is a local file. An environment variable moves it off the default ~/.claude/memory.db, and the package's own setup command writes the UserPromptSubmit hook that does the automatic injection.

Setup effort

One command — claude mcp add memory -- npx claude-memory-fts

Tools you get

5 tools named in the project's documentation.

Requires

npx on PATH

Where it runs

The documented client runs the server on your machine.