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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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11,909 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

  • 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.
    Last updated -
    2
    2
    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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    1
    21
    25
    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
    25
    MIT License
    • Apple

  • 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 -
    1
    21
    28
    MIT License
    • Apple
    • Linux

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  • 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

  • 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

  • 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
    48
    MIT License
    • Apple
    • Linux

  • MCP of MCPs

    eliavamar
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    A meta-server that aggregates multiple MCP servers into a single interface, reducing token usage by 98%+ through progressive tool discovery and direct code execution that processes data between tools without consuming context window space.
    Last updated -
    6
    Apache 2.0

  • 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

  • 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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    6
    • 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
    19
    48
    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
    41
    24
    MIT License

  • 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
    43
    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 -
    16
    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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    13
    • Apple

  • 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 -
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    269
    • Linux
    • 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 -
    785
    MIT License
    • Apple

  • 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).
    Last updated -
    7

  • Stochastic Thinking MCP Server

    chirag127
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    Provides advanced probabilistic decision-making algorithms including MDPs, MCTS, Multi-Armed Bandits, Bayesian Optimization, and Hidden Markov Models to help AI assistants explore alternative solutions and optimize long-term decisions.
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    3

  • 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

  • Chain of Draft Prompt Tool

    brendancopley
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    Transforms prompts into Chain of Draft (CoD) or Chain of Thought (CoT) format to enhance LLM reasoning quality while reducing token usage by up to 92.4%, supporting multiple LLM providers including Claude, GPT, Ollama, and local models.
    Last updated -
    3
    15
    • 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.
    Last updated -
    22
    MIT License

  • Actor-Critic Thinking MCP Server

    aquarius-wing
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    Provides dual-perspective analysis through alternating actor (creator/performer) and critic (analyzer/evaluator) viewpoints, generating comprehensive performance evaluations with balanced, actionable feedback.
    Last updated -
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    88
    26
    MIT License

  • 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