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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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10,302 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

  • 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
    19
    44
    MIT License

  • Aidderall MCP Server

    cheezcake
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    Provides AI assistants with a hierarchical task management system that maintains focus and context across complex problem-solving sessions, solving context window limitations through organized task structures.
    Last updated -
    12
    4
    GPL 3.0

  • 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.
    Last updated -
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    23
    52
    MIT License
    • Apple
    • Linux

  • Sequential Thinking MCP Server

    zalab-inc
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    Provides a tool for dynamic and reflective problem-solving by breaking complex problems into manageable steps with support for revision, branching, and hypothesis generation.
    Last updated -
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    192,134
    3

  • AWS Resources MCP Server

    baryhuang
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    A Model Context Protocol server that enables Claude to execute Python code using boto3 to query and manage AWS resources directly from conversations.
    Last updated -
    1
    22
    MIT License
    • Linux

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  • MCP Think

    ddkang1
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    A Model Context Protocol server that provides AI assistants like Claude with a dedicated space for structured thinking during complex problem-solving tasks.
    Last updated -
    MIT License

  • MCP Sequential Thinking Tools

    xinzhongyouhai
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    Guides problem-solving by breaking down complex problems into steps and recommending appropriate MCP tools for each stage, with confidence scores and rationales for tool suggestions.
    Last updated -
    1
    459
    25
    MIT License

  • 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 -
    1
    12
    MIT License

  • 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 -
    1
    61
    9
    MIT License
    • Apple

  • 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.

  • MCP Think Tool

    DannyMac180
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    An MCP server that implements the 'think' tool, providing Claude with a dedicated space for structured thinking during complex problem-solving tasks to improve reasoning capabilities.
    Last updated -
    130
    MIT License
    • Linux
    • Apple

  • 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 -
    4
    46
    34
    MIT License

  • DeepLucid3D UCPF Server

    MushroomFleet
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    An MCP server implementing the Unified Cognitive Processing Framework for advanced problem-solving, creative thinking, and cognitive analysis through structured tools for knowledge mapping, recursive questioning, and perspective generation.
    Last updated -
    3
    12

  • AgentCortex MCP

    sage-hq
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    An AI memory system that creates isolated, persistent memory banks for each codebase, solving the context-switching problem by keeping project knowledge separate and accessible across sessions.
    Last updated -
    0
    4
    MIT License

  • 聚义厅MCP

    juyitingmcp
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    An AI personality collaboration tool based on Model Context Protocol (MCP) that enables users to summon and collaborate with multiple AI personas for intelligent analysis and problem-solving.
    Last updated -
    3
    2
    4
    MIT License
    • Apple
    • Linux

  • Gemini Thinking Server

    bartekke8it56w2
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    An MCP server implementation that leverages Google's Gemini API to provide analytical problem-solving capabilities through sequential thinking steps without code generation.
    Last updated -
    20

  • Gemini MCP Server

    BeehiveInnovations
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    A Model Context Protocol server that gives Claude access to Google's Gemini 2.5 Pro for extended thinking, code analysis, and problem-solving with a massive context window.
    Last updated -
    9,031
    • Apple

  • 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.
    Last updated -
    1
    79
    36
    MIT License
    • Linux
    • Apple

  • Scratchpad MCP Server

    JoshuaOliphant
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    Provides a 'think' tool that allows Claude and other LLMs to add dedicated thinking steps during complex tool use scenarios, creating space for structured reasoning and improving problem-solving capabilities.
    Last updated -
    MIT License
    • Apple

  • Sequential Thinking MCP Server

    arben-adm
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    This server facilitates structured problem-solving by breaking down complex issues into sequential steps, supporting revisions, and enabling multiple solution paths through full MCP integration.
    Last updated -
    730
    MIT License
    • Apple

  • Clear Thought Server

    ThinkFar
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    Provide systematic thinking, mental models, and debugging approaches to enhance problem-solving capabilities. Enable structured reasoning and decision-making support for complex problems. Facilitate integration with MCP-compatible clients for advanced cognitive workflows.
    Last updated -
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    1

  • Think Tool MCP Server

    PhillipRt
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    Official implementation of Anthropic's 'think' tool that provides Claude with a dedicated space for structured reasoning, improving performance by up to 54% on complex tasks requiring multi-step problem solving.
    Last updated -
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    334
    120
    • 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 -
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    7
    • Apple

  • Wolfram Alpha MCP Server

    xiaomayisjh
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    Enables scientific computing, mathematical problem solving, and step-by-step mathematical solutions through Wolfram Alpha's mobile API. Supports real-time streaming responses and multiple output formats for enhanced mathematical and scientific queries.
    Last updated -

  • MCP Orchestrator

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    A unified interface that intelligently routes requests to appropriate MCP servers, solving the problem of managing multiple tools by providing a single entry point with smart routing capabilities.

  • Zen MCP Server

    BeehiveInnovations
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    security
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    A Model Context Protocol server that gives Claude access to multiple AI models (Gemini, OpenAI, OpenRouter) for enhanced code analysis, problem-solving, and collaborative development through AI orchestration with conversations that continue across tasks.
    Last updated -
    9,031
    • Apple

  • Sequential Thinking MCP Server

    cmarin
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    Enables structured, step-by-step problem-solving with dynamic revision and branching capabilities. Supports breaking down complex problems into manageable steps while allowing course corrections and alternative reasoning paths.
    Last updated -
    1
    192,134

  • Multi-Service MCP Server

    brandontomlin2
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    Enables searching and accessing ArXiv research papers with advanced query capabilities, and provides sequential thinking tools for structured problem-solving. Supports Boolean operators, field-specific searches, author lookups, and dynamic thought processes through a modular Docker-based architecture.
    Last updated -
    • Apple

  • 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

  • mcp-sequentialthinking-tools

    spences10
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    An adaptation of the MCP Sequential Thinking Server designed to guide tool usage in problem-solving. This server helps break down complex problems into manageable steps and provides recommendations for which MCP tools would be most effective at each stage.
    Last updated -
    1
    459
    390
    MIT License