memcan

Persistent memory CLI for Claude Code — store and recall learnings, decisions, and preferences across sessions.

memcan is the thin CLI client that communicates with the MemCan MCP server. Used by Claude Code plugin hooks for automatic memory extraction.

Install

cargo install memcan

Usage

# Add a memory
memcan add "Axum .layer() order: last added = outermost middleware" --project my-app

# Search memories
memcan search "middleware ordering" --project my-app

# Extract memories from conversation (used by hooks, reads stdin)
memcan extract

# Check server status
memcan status

# Count stored memories
memcan count --project my-app

Configuration

Set in ~/.config/memcan/.env or environment:

Part of MemCan

This is the CLI component of MemCan — a Claude Code plugin for persistent memory via LanceDB + fastembed. See the main repo for server setup, Docker deployment, and plugin installation.

License

MIT