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Open-Source MCP servers

Production-ready MCP servers that extend AI capabilities through file access, database connections, API integrations, and other contextual services.

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12,148 servers. Last updated 2025-12-04 18:59

Matching MCP tools:

Matching MCP servers:

  • Knowledge Graph MCP Server

    aiuluna
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    security
    A
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    Enables creating, managing, analyzing, and visualizing knowledge graphs with support for multiple graph types (topology, timelines, changelogs, requirements, knowledge bases, ontologies) including node/edge management and resource association.
    Last updated 8 months ago
    29
    1
    MIT License

  • mcp-knowledge-graph

    shaneholloman
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    security
    A
    license
    A
    quality
    An improved implementation of persistent memory using a local knowledge graph with a customizable --memory-path. This lets Claude remember information about the user across chats.
    Last updated a month ago
    9
    383
    733
    MIT License
    • Apple

  • Knowledge Graph Memory Server

    itseasy21
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    license
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    quality
    An implementation of persistent memory for Claude using a local knowledge graph, allowing the AI to remember information about users across conversations with customizable storage location.
    Last updated 4 months ago
    11
    99
    56
    JavaScript
    MIT License
    • Apple

  • Neo4j Knowledge Graph

    mjftw
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    security
    F
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    quality
    Enables storage and retrieval of knowledge in a graph database format, allowing users to create, update, search, and delete entities and relationships in a Neo4j-powered knowledge graph through natural language.
    Last updated 8 months ago
    4
    • Linux

  • YouTube Knowledge MCP

    efikuta
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    security
    F
    license
    A
    quality
    Transforms YouTube into a queryable knowledge source with search, video details, transcript analysis, and AI-powered tools for summaries, learning paths, and knowledge graphs. Features quota-aware API access with caching and optional OpenAI/Anthropic integration for advanced content analysis.
    Last updated a month ago
    10
    1

  • Knowledge Graph Builder

    rebots-online
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    security
    F
    license
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    quality
    Transforms text or web content into structured knowledge graphs using local AI models with MCP integration for persistent storage in Neo4j and Qdrant.
    Last updated 5 months ago
    4

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