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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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9,443 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

  • basic-memory

    basicmachines-co
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    Basic Memory is a knowledge management system that allows you to build a persistent semantic graph from conversations with AI assistants. All knowledge is stored in standard Markdown files on your computer, giving you full control and ownership of your data. Integrates directly with Obsidan.md
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    1,820
    AGPL 3.0
    • Apple

  • Basic MCP

    nimishgautam
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    A simple MCP server built with FastMCP for experimentation and learning purposes. Includes basic web tools like article fetching and serves as a human-readable template for building custom MCP servers.
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    AGPL 3.0

  • Atom-of-thoughts

    kbsooo
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    AoT MCP server enables AI models to solve complex reasoning problems by decomposing them into independent, reusable atomic units of thought, featuring a powerful decomposition-contraction mechanism that allows for deep exploration of problem spaces while maintaining high confidence in conclusions.
    Last updated -
    3
    45
    MIT License
    • Apple
    • Linux

  • Memory MCP

    HamzaFarhan
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    A knowledge-graph-based memory system for AI agents that enables persistent information storage between conversations.
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    6

  • Memory Custom

    BRO3886
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    A customized MCP memory server that enables creation and management of a knowledge graph with features like custom memory paths and timestamping for capturing interactions via language models.
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    10
    4
    MIT License
    • Apple

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  • Memory Engineering MCP

    romiluz13
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    Provides persistent memory and semantic code understanding for AI assistants using MongoDB Atlas Vector Search. Enables intelligent code search, memory management, and pattern detection across codebases with complete semantic context preservation.
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    11
    MIT License

  • Chain of Draft Thinking

    bsmi021
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    Chain of Draft Server is a powerful AI-driven tool that helps developers make better decisions through systematic, iterative refinement of thoughts and designs. It integrates seamlessly with popular AI agents and provides a structured approach to reasoning, API design, architecture decisions, code r
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    24
    MIT License

  • Memory Bank MCP

    movibe
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    Memory Bank Server provides a set of tools and resources for AI assistants to interact with Memory Banks. Memory Banks are structured repositories of information that help maintain context and track progress across multiple sessions.
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    MIT License

  • MCP Memory Server

    sdimitrov
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    Implements long-term memory capabilities for AI assistants using PostgreSQL with pgvector for efficient vector similarity search, enabling semantic retrieval of stored information.
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    • Apple
    • Linux

  • MCP - Titan Memory Server

    jasonkneen
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    Enables neural memory sequence learning with a memory-augmented model for improved code understanding and generation, featuring state management, novelty detection, and model persistence.
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    2

  • Chain of Draft (CoD) MCP Server

    stat-guy
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    Implements the Chain of Draft reasoning approach to generate minimalistic intermediate reasoning outputs while solving tasks, significantly reducing token usage while maintaining accuracy.
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    13
    • Apple

  • MCP Memory Server

    keleshteri
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    Gives AI coding assistants persistent memory, safety controls, and project awareness by tracking coding sessions, protecting critical files from modifications, and managing approval workflows with automatic changelog generation.
    Last updated -
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    15
    • Linux
    • Apple

  • MCP Memory Server

    ebailey78
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    A Model Context Protocol server for Claude Desktop that provides structured memory management across chat sessions, allowing Claude to maintain context and build a knowledge base within project directories.
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    3

  • MCP Memory

    redaphid
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    An MCP server that enables clients like Cursor, Claude, and Windsurf to remember user information and preferences across conversations using vector search technology.
    Last updated -

  • Memory MCP

    drdee
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    A Model Context Protocol server that allows users to store, retrieve, update, and delete memories using SQLite storage.
    Last updated -
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    6
    MIT License

  • Memory MCP

    JamesANZ
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    A Model Context Protocol server that allows saving, retrieving, adding, and clearing memories from LLM conversations with MongoDB persistence.
    Last updated -
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    3
    MIT License

  • MCP Memory

    tienngang
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    Enables MCP clients to remember user information, preferences, and behaviors across conversations using vector search technology. Built on Cloudflare infrastructure with AI-powered semantic search to find relevant memories based on meaning rather than keywords.
    Last updated -

  • MCP Memory

    d0kwon
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    MCP server that gives MCP clients (like Cursor, Claude, Windsurf) the ability to remember user information across conversations using vector search technology.
    Last updated -

  • MCP Memory

    aiwithbenefits
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    An MCP server that gives AI assistants the ability to remember user information (preferences, behaviors) across conversations using vector search technology.
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  • MCP Memory

    XileForce
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    A MCP Server that gives AI assistants the ability to remember information about users across conversations using vector search technology.
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  • MCP Memory

    georgetso
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    An MCP server that gives AI assistants (like Cursor, Claude, Windsurf) the ability to remember user information across conversations using vector search technology.
    Last updated -

  • MCP Memory

    Puliczek
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    A server that gives MCP clients (Cursor, Claude, Windsurf, etc.) the ability to remember user information across conversations using vector search technology.
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    76

  • mc-server-clash-of-clans

    Saunved
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    MCP server for the Clash of Clans API. Can get player, clan information, analyze ongoing wars, as well as war logs (provided they are public).
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  • Claude Memory Server

    xiy
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    Provides long-term memory capabilities for Claude through persistent storage and full-text search of context across conversations. Enables storing, searching, and managing memories organized by categories like facts, preferences, projects, and goals.
    Last updated -
    1
    • Apple

  • Chain of Thought MCP Server

    beverm2391
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    An MCP server that uses Groq's API to expose raw chain-of-thought tokens from Qwen's qwq model, enabling LLMs to think step-by-step before responding.
    Last updated -
    11

  • Central-Memory-MCP

    MWGMorningwood
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    Model Context Protocol (MCP) memory server built with Azure Functions and TypeScript, providing persistent knowledge graph storage for your preferred MCP client. Inspired by and forked from @modelcontextprotocol/server-memory
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    1
    MIT License

  • MCP Memory

    moe-Kuroko
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    An MCP server that gives AI assistants like Cursor, Claude and Windsurf the ability to remember user information across conversations using vector search technology.
    Last updated -

  • MCP Memory Service

    doobidoo
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    Provides semantic memory and persistent storage for Claude, leveraging ChromaDB and sentence transformers for enhanced search and retrieval capabilities.
    Last updated -
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    692
    Apache 2.0
    • Linux

  • Word of the Day MCP Server

    Traves-Theberge
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    Provides comprehensive word definitions, pronunciations, meanings, and examples for any English word using the Free Dictionary API. Includes a random word-of-the-day feature with difficulty levels for vocabulary building.
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    2
    MIT License

  • mcp-memory-libsql

    spences10
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    A high-performance MCP server utilizing libSQL for persistent memory and vector search capabilities, enabling efficient entity management and semantic knowledge storage.
    Last updated -
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    124
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    MIT License

  • RAG Memory MCP

    ttommyth
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    An advanced MCP server providing RAG-enabled memory through a knowledge graph with vector search capabilities, enabling intelligent information storage, semantic retrieval, and document processing.
    Last updated -
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    28
    • Apple
    • Linux