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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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9,753 servers. Last updated -

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Matching MCP servers:

  • 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.
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  • Reasoning Tool MCP Server

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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.

  • 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.
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    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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    3
    MIT License

  • 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.
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    91
    MIT License

  • CRASH - Cascaded Reasoning with Adaptive Step Handling

    nikkoxgonzales
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    Enables structured, iterative reasoning for complex problem-solving with features like confidence tracking, revision mechanisms, and branching support. Provides flexible validation and multiple output formats for systematic analysis and decision-making tasks.
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    • Linux
    • Apple

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  • DeepSeek MCP Server

    moyu6027
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    A server that enhances Claude's reasoning capabilities by integrating DeepSeek R1's advanced reasoning engine to tackle complex reasoning tasks.
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    MIT License
    • Apple

  • DeepSeek-Claude MCP Server

    HarshJ23
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    Enhances Claude's reasoning capabilities by integrating DeepSeek R1's advanced reasoning engine for intricate multi-step reasoning tasks with precision and efficiency.
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    50
    MIT License
    • Apple

  • DeepSeek-Claude MCP Server

    ygboy1986
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    Enhances Claude's reasoning capabilities by integrating DeepSeek R1's advanced reasoning engine, allowing Claude to tackle complex multi-step reasoning tasks with greater precision.
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    MIT License
    • Apple

  • 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.
    Last updated -
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    • Apple

  • Deepseek Thinker MCP Server

    ruixingshi
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    Provides reasoning content to MCP-enabled AI clients by interfacing with Deepseek's API or a local Ollama server, enabling focused reasoning and thought process visualization.
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  • MCP Dual-Cycle Reasoner

    cyqlelabs
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    A Model Context Protocol server that empowers AI agents with metacognitive monitoring to detect reasoning loops and provide intelligent recovery using case-based reasoning and statistical analysis.
    Last updated -
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    MIT License

  • MCP Perplexity Server

    samwang0723
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    Provides AI-powered search, research, and reasoning capabilities through integration with Perplexity.ai, offering three specialized tools: general conversational AI, deep research with citations, and advanced reasoning.
    Last updated -
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    MIT License

  • MCP Think Tool Server

    cgize
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    Implements Anthropic's 'think' tool for Claude, providing a dedicated space for structured reasoning during complex problem-solving tasks that improves performance in reasoning chains and policy adherence.
    Last updated -
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    34
    MIT License

  • 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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    27
    MIT License
    • Apple
    • Linux

  • Adaptive Graph of Thoughts MCP Server

    SaptaDey
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    A scientific reasoning framework that leverages graph structures and the Model Context Protocol (MCP) to process complex scientific queries through an Advanced Scientific Reasoning Graph-of-Thoughts (ASR-GoT) approach.
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    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 -
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    MIT License

  • ThoughtMCP

    keyurgolani
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    Implements human-like cognitive architecture for enhanced AI reasoning through dual-process thinking, memory systems, emotional processing, and metacognitive monitoring. Enables users to process thoughts with biological-like cognitive processes including intuitive and deliberative reasoning modes.
    Last updated -
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  • EPH-MCP: Emergent Pattern Hunter

    psikosen
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    Enables AI systems to reason through emergent thinking by breaking queries into fragments that interact and form patterns, simulating how insights naturally arise in complex systems. Provides tools for emergent reasoning, pattern analysis, thought comparison, and reasoning session history.
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  • mcp-reasoner

    Jacck
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    A systematic reasoning MCP server implementation for Claude Desktop with beam search and thought evaluation capabilities
    Last updated -
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    250
    MIT License

  • Logic-LM MCP Server

    shipitsteven
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    Provides symbolic reasoning capabilities by converting natural language logical problems into Answer Set Programming (ASP) format and solving them using the Clingo solver. Enables users to perform formal logical reasoning, verify logical arguments, and get step-by-step explanations for complex logical problems.
    Last updated -
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    MIT License

  • Wisdom Layer MCP

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    A metacognitive advisor for Claude that provides strategic guidance, plan distillation, and mistake tracking to enhance Claude's reasoning capabilities.

  • AI Development Assistant MCP Server

    kleneway
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    An AI-powered development toolkit for Cursor providing intelligent coding assistance through advanced reasoning, UI screenshot analysis, and code review tools.
    Last updated -
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    MIT License

  • MCP Think Tank

    flight505
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    Provides AI assistants with enhanced reasoning capabilities through structured thinking, persistent knowledge graph memory, and intelligent tool orchestration for complex problem-solving.
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    MIT License
    • Apple
    • Linux

  • Visum Thinker MCP Server

    multiluca2020
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    Provides structured sequential thinking capabilities for AI assistants to break down complex problems into manageable steps, revise thoughts, and explore alternative reasoning paths.
    Last updated -
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    MIT License

  • Vibe Check MCP

    PV-Bhat
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    A metacognitive pattern interrupt system that helps prevent AI assistants from overcomplicated reasoning paths by providing external validation, simplification guidance, and learning mechanisms.
    Last updated -
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    141
    MIT License
    • Apple

  • Search Intent MCP

    captainChaozi
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    An MCP-based service that analyzes user search keywords to determine their intent, providing classifications, reasoning, references, and search suggestions to support SEO analysis.
    Last updated -
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  • Cursor Claude Think MCP

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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'.

  • MCP Reasoner

    parmarjh
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    A systematic reasoning MCP server for Claude Desktop, featuring Beam Search and Monte Carlo Tree Search to facilitate complex problem-solving and decision-making processes.
    Last updated -
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    12
    MIT License

  • 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 -
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    MIT License
    • Apple

  • MCP Think Tool Server

    abhinav-mangla
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    A Model Context Protocol server that provides Claude with a dedicated space for structured thinking during complex problem-solving tasks, helping improve its reasoning capabilities.
    Last updated -
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    • Apple

  • Claude Think MCP

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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]'.