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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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12,146 servers. Last updated 2025-12-04 15:58

Matching MCP tools:

Matching MCP servers:

  • Elasticsearch Knowledge Graph for MCP

    j3k0
    A
    security
    F
    license
    A
    quality
    Provides a scalable knowledge graph implementation for Model Context Protocol using Elasticsearch, enabling AI models to store and query information with advanced search capabilities, memory-like behavior, and multi-zone architecture.
    Last updated a month ago
    20
    128
    16

  • MCP Tools for Obsidian

    jacksteamdev
    -
    security
    A
    license
    -
    quality
    A local MCP server that enables AI applications like Claude Desktop to securely access and work with Obsidian vaults, providing capabilities for reading notes, executing templates, and performing semantic searches.
    Last updated 5 months ago
    459
    MIT License
    • Apple
    • Linux

  • CFM Tips - Cost Optimization MCP Server

    aws-samples
    -
    security
    A
    license
    -
    quality
    A comprehensive Model Context Protocol server that analyzes AWS costs and provides optimization recommendations by integrating with services like Cost Explorer, Cost Optimization Hub, and Trusted Advisor.
    Last updated 4 days ago
    16
    MIT License

  • A Share MCP

    24mlight
    A
    security
    A
    license
    A
    quality
    A Model Context Protocol server providing tools for querying A-share stock market data, including historical prices, financial reports, market indices, and macroeconomic indicators.
    Last updated 3 months ago
    27
    463
    MIT License

  • mcp-knowledge-graph

    shaneholloman
    A
    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

  • Graph Memory MCP

    BrikerMan
    -
    security
    F
    license
    -
    quality
    Enables AI agents to build and query a persistent knowledge graph with entities, relationships, and observations. Features a core index system that ensures critical information is always accessible across all memory operations.
    Last updated 2 months ago
    1

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