IzumiSy/mcp-duckdb-memory-server

npx -y @izumisy/mcp-duckdb-memory-server
Or via Smithery: npx -y @smithery/cli install @IzumiSy/mcp-duckdb-memory-server --client claude
Or build and run with Docker

Usage

• •Add the server to claude_desktop_config.json with optional MEMORY_FILE_PATH
• •Follow the provided instruction prompt so the agent stores and retrieves knowledge graph memories

Key features

• ✓Knowledge graph memory with entities, observations, and relations
• ✓DuckDB backend with SQL, transactions, and indexing
• ✓Fuzzy search via Fuse.js combined with SQL
• ✓MEMORY_FILE_PATH points to a DuckDB database file

Best for

Users of the official memory server who outgrow its JSON-file scale limits.

Caveats

• ⚠Still requires following the agent instructions to function as intended