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mcp-duckdb-memory-server

Active·★ 57·Updated 2026-04-07
★ Trending★ Hidden Gem

MCP Memory Server with DuckDB backend

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
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#Embedded Database
#SQL
#AI Integration
#Fuzzy Search
↗ 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

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.
04

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Related searches

mcp-duckdb-memory-server AlternativesBest RAG / Knowledge Base Tools 2026Open Source RAG / Knowledge Basemcp-duckdb-memory-server Tutorialmcp-duckdb-memory-server Vs CompetitorsDuckDBKnowledge GraphMemory Server

Comments

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  • Parker Rivera
    Parker RiveraMay 14, 2026

    DuckDB backend for MCP memory gives analytical query capabilities beyond simple retrieval

  • H
    Harley BrownMay 4, 2026

    The SQL interface means complex memory queries that key-value stores cannot handle

  • R
    Remy AndersonApr 3, 2026

    DuckDB performance makes this viable even with large memory stores

  • C
    Casey NguyenMar 7, 2026

    Used as the memory backend for data analysis agents, the query flexibility is essential

On this page
01Features02Compatibility03Use cases04Alternatives
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GitHub Stars★ 57
Last commit1mo ago
StatusActive
License—
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