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mcp-duckdb-memory-server
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mcp-duckdb-memory-server

Active·★ 59·MIT·Updated 2026-04-07

This project is an enhanced version of the MCP Knowledge Graph Memory Server, replacing its original JSON file backend with DuckDB. This upgrade significantly improves performance, scalability, and query flexibility by leveraging DuckDB's fast query processing and SQL interface.

#DuckDB#Knowledge Graph#Memory Server#Embedded Database#SQL#AI Integration#Fuzzy Search
$ Install
$ npx -y @smithery/cli install @IzumiSy/mcp-duckdb-memory-server --client claude
↗ Visit site★ GitHub
01

Features

01Utilizes DuckDB for fast query processing and improved scalability.
02Provides a standard SQL interface for complex data queries.
03Supports transaction processing to maintain data integrity.
04Implements a hybrid fuzzy search combining SQL and Fuse.js.
05Stores knowledge graph in an efficient relational database structure.
02

Compatibility

Claude Desktop
Client
Verified via docs
Smithery
Tool
Verified via docs
Docker
Containerization
Verified via docs
Node.js
Runtime
Verified via docs
DuckDB
Database Backend
Verified via docs
03

Quick start

1
$ npx -y @smithery/cli install @IzumiSy/mcp-duckdb-memory-server --client claude
04

Use cases

↳Enhancing AI chatbot memory and conversational context (e.g., with Claude Desktop).
↳Storing and managing user-specific identity, preferences, and interaction history.
↳Building scalable knowledge graph applications requiring fast, complex queries.
↳Ensuring data integrity for knowledge graph operations through transaction support.
05

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On this page
01Features02Compatibility03Quick start04Use cases05Alternatives
IzumiSy /
mcp-duckdb-memory-server
↗

MCP Memory Server with DuckDB backend

59MIT
Last commit6mo ago
StatusActive
CategoryRAG / Knowledge Base
Links
Documentation↗Discussion↗Issues↗Releases↗
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