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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:

  • claude-debugs-for-you

    jasonjmcghee
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    Enable Claude (or any other LLM) to interactively debug your code (set breakpoints and evaluate expressions in stack frame). It's language-agnostic, assuming debugger console support and valid launch.json for debugging in VSCode.
    Last updated -
    427
    MIT License
    • Apple

  • Claude Talk to Figma MCP

    arinspunk
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    Enables Claude Desktop and other AI tools to interact directly with Figma, allowing for powerful AI-assisted design capabilities through natural language commands.
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    43
    193
    196
    MIT License
    • Apple
    • Linux

  • Multi-AI MCP Server for Claude Code

    RaiAnsar
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    Connects Claude Code with multiple AI models (Gemini, Grok-3, ChatGPT, DeepSeek) simultaneously, allowing users to get diverse AI perspectives, conduct AI debates, and leverage each model's unique strengths.
    Last updated -
    109
    MIT License

  • MCP Advanced Reasoning Server

    AzDeltaQQ
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    A Model Context Protocol server that enhances Claude in Cursor AI with advanced reasoning capabilities including Monte Carlo Tree Search, Beam Search, R1 Transformer, and Hybrid Reasoning methods.
    Last updated -
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    13

  • Reasoning Tool MCP Server

    NexusX-MCP
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    Implements Anthropic's 'reasoning' tool as an MCP server for Claude, providing a dedicated scratchpad for structured thinking that dramatically improves performance on complex problem-solving tasks.
    Last updated -

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  • Smart-Thinking

    Leghis
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    A sophisticated MCP server that provides a multi-dimensional, adaptive reasoning framework for AI assistants, replacing linear reasoning with a graph-based architecture for more nuanced cognitive processes.
    Last updated -
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    8
    27
    MIT License
    • Apple
    • Linux

  • Code Reasoning MCP Server

    mettamatt
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    An enhanced sequential thinking tool optimized for programming tasks that helps break down complex coding problems into structured, self-auditing thought steps with branching and revision capabilities.
    Last updated -
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    150
    219
    MIT License
    • Apple

  • Advanced Reasoning MCP Server

    angrysky56
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    An MCP server that enhances sequential thinking with meta-cognitive capabilities including confidence tracking, hypothesis testing, and organized memory storage through graph-based libraries and structured JSON documents.
    Last updated -
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    2
    MIT License

  • Gemini Thinking MCP Server

    falahgs
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    A Model Context Protocol (MCP) server implementation for the Google Gemini language model. This server allows Claude Desktop users to access the powerful reasoning capabilities of Gemini-2.0-flash-thinking-exp-01-21 model.
    Last updated -
    1
    MIT License

  • Unconventional-thinking MCP server

    stagsz
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    This is a MCP server that implements an unreasonable thinking system. It helps generate unconventional solutions: Generating unreasonable thoughts that challenge conventional wisdom. Creating branches of thinking in different directions
    Last updated -
    3
    22
    MIT License
    • Apple

  • Branch Thinking MCP Server

    m-siles
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    An MCP server for navigating thought processes using branches, supporting thought cross-references and priority tracking to enhance insight generation and structured idea exploration.
    Last updated -
    1
    38
    MIT License

  • Database Tools for Claude AI

    elber-code
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    MCP server that allows Claude AI to interact directly with MySQL databases, enabling query execution and table information retrieval through natural language.
    Last updated -
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    1
    4

  • Retrieval-Augmented Thinking MCP Server

    stat-guy
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    Enhances AI model capabilities with structured, retrieval-augmented thinking processes that enable dynamic thought chains, parallel exploration paths, and recursive refinement cycles for improved reasoning.
    Last updated -
    16
    MIT License
    • Apple

  • Branch Thinking

    ssdeanx
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    An MCP server that enables managing multiple lines of thought with features like branch navigation, cross-references between related thoughts, and insight generation from key points.
    Last updated -
    1
    15
    MIT License
    • Apple

  • Sequential Thinking MCP Server

    LangGPT
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    An MCP server that enables Claude to break down complex problems into manageable steps with support for revision and branching, facilitating dynamic and reflective problem-solving through a structured thinking process.
    Last updated -
    1
    4
    • Apple

  • Deep Code Reasoning MCP Server

    haasonsaas
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    Pairs Claude Code with Google's Gemini AI for complementary code analysis, enabling intelligent routing where Claude handles local-context operations while Gemini leverages its 1M token context for distributed system debugging and long-trace analysis.
    Last updated -
    10
    90
    MIT License

  • Deepseek-Thinking-Claude-3.5-Sonnet-CLINE-MCP

    niko91i
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    A Model Context Protocol server that combines DeepSeek R1's reasoning capabilities with Claude 3.5 Sonnet's response generation, enabling two-stage AI processing where DeepSeek's structured reasoning enhances Claude's final outputs.
    Last updated -
    2
    2
    MIT License

  • Claude Think MCP

    DJBuildIt
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    Enables Claude's explicit thinking mode in Cursor, allowing you to see Claude's step-by-step reasoning process when you type 'think \[your question]'.
    Last updated -
    MIT License
    • Linux
    • Apple

  • Shannon Thinking MCP Server

    olaservo
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    A tool that implements Claude Shannon's problem-solving methodology to help break down complex problems into structured steps including problem definition, constraints, modeling, validation, and implementation.
    Last updated -
    1
    13
    39
    MIT License

  • OpenAI and Claude MCP

    Spysailor
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    A simple server that acts as a Master Control Program (MCP) for unified interaction with OpenAI and Anthropic (Claude) AI models through a single API endpoint.
    Last updated -
    5

  • Sequential Thinking Multi-Agent System

    FradSer
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    An advanced MCP server that implements sophisticated sequential thinking using a coordinated team of specialized AI agents (Planner, Researcher, Analyzer, Critic, Synthesizer) to deeply analyze problems and provide high-quality, structured reasoning.
    Last updated -
    246
    • Linux
    • Apple

  • Claude Context

    zilliztech
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    Claude Context is an MCP plugin that adds semantic code search to Claude Code and other AI coding agents, giving them deep context from your entire codebase.
    Last updated -
    3,629
    MIT License

  • mcp-structured-thinking

    Promptly-Technologies-LLC
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    A TypeScript Model Context Protocol (MCP) server to allow LLMs to programmatically construct mind maps to explore an idea space, with enforced "metacognitive" self-reflection.
    Last updated -
    5
    48
    23
    MIT License

  • MCP Server for Intercom

    raoulbia-ai
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    An MCP-compliant server that enables AI assistants like Claude Desktop to access and analyze Intercom support tickets with full conversation history.
    Last updated -
    4
    7
    Apache 2.0
    • Linux

  • Claude Chunks

    vetlefo
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    An MCP server that intelligently chunks large documents for Claude, enabling efficient context-aware processing and summary generation for enhanced document comprehension.
    Last updated -
    12

  • Enhanced Sequential Thinking MCP Server

    new69toss
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    Enables structured problem-solving through sequential thinking stages with persistent storage and analysis. Helps break down complex problems into manageable cognitive steps while tracking progress and generating summaries of the entire thought process.
    Last updated -
    MIT License

  • Cursor Claude Think MCP

    DJBuildIt
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    Enables Claude's explicit thinking mode in Cursor, allowing users to see Claude's step-by-step reasoning process when prefacing queries with 'think'.
    Last updated -
    1
    MIT License
    • Linux
    • Apple

  • Claude Historian

    Vvkmnn
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    MCP server that lets you search your Claude Code conversation history to find past solutions, track file changes, and learn from previous work.
    Last updated -
    7
    22
    53
    MIT License

  • Claude Slack

    theo-nash
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    Enables structured team communication for Claude Code agents through Slack-like channels and direct messages. Supports project isolation, subscription management, and agent notes for sophisticated multi-agent collaboration workflows.
    Last updated -
    90
    4
    MIT License