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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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10,300 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

  • Google OR-Tools server

    Jacck
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    MCP-ORTools integrates Google's OR-Tools constraint programming solver with Large Language Models through the MCP, enabling AI models to: Submit and validate constraint models Set model parameters Solve constraint satisfaction and optimization problems Retrieve and analyze solution
    Last updated -
    14
    MIT License
    • Apple

  • Roo Code Memory Bank MCP Server

    IncomeStreamSurfer
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    Enables AI assistants to maintain persistent project context across sessions by storing and retrieving structured information in markdown files organized in a memory bank directory.
    Last updated -
    4
    55
    Apache 2.0
    • Linux
    • Apple

  • Yes or No MCP

    a-polishchuk
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    A simple MCP server implementation in TypeScript that communicates over stdio, allowing users to ask questions that end with 'yes or no' to trigger the MCP tool in Cursor.
    Last updated -
    1
    0

  • MCP Source Relation Server

    owayo
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    Analyzes source code dependencies across multiple programming languages in the specified directory to identify file relationships, assisting in dependency management and project structure understanding.
    Last updated -
    1
    1
    MIT License

  • language-server-mcp

    alexwohletz
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    TypeScript-based MCP server designed to enhance code editing experiences by providing features such as hover information, code completion, and diagnostics.
    Last updated -
    3
    25
    MIT License
    • Apple

  • MCP Language Server

    isaacphi
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    Runs a language server and provides tools for communicating with it. Language servers excel at tasks that LLMs often struggle with, such as precisely understanding types, understanding relationships, and providing accurate symbol references.
    Last updated -
    1,161
    BSD 3-Clause
    • Apple
    • Linux

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  • Perplexity Tool for Claude Desktop

    letsbuildagent
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    A custom MCP tool that integrates Perplexity AI's API with Claude Desktop, allowing Claude to perform web-based research and provide answers with citations.
    Last updated -
    1
    4
    MIT License
    • Apple

  • Android source code

    SDILogin
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    Claude MCP server that enables secure access to browse and read Android project files, validating authentic projects by checking for gradle configuration files.
    Last updated -
    2
    MIT License

  • Source Map Parser MCP Server

    MasonChow
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    Enables mapping JavaScript error stack traces back to original source code, extracting context information to help developers locate and fix issues.
    Last updated -
    2
    44
    2
    MIT License

  • GitLab MCP for Code Review

    mehmetakinn
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    An MCP server that integrates AI assistants like Claude with GitLab's merge requests, allowing them to review code changes, add comments, and approve/unapprove merge requests directly through the GitLab API.
    Last updated -
    33
    MIT License
    • Linux
    • Apple

  • Code Explainer MCP

    BillDuke13
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    A Cloudflare Worker that analyzes source code to provide comprehensive explanations including architecture diagrams, core functionality analysis, and component breakdowns across multiple programming languages.
    Last updated -
    6
    Apache 2.0

  • Smart Code Reviewer

    renjismzy
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    Enables comprehensive code analysis including quality assessment, security vulnerability detection, refactoring suggestions, complexity calculations, and automatic documentation generation for multiple programming languages.
    Last updated -
    5
    MIT License

  • MCP Tool

    PiuQiuPiaQia
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    A server built on mcp-framework that enables integration with Claude Desktop through the Model Context Protocol.
    Last updated -
    1
    1
    • Apple

  • MCP Code Indexer

    zxfgds
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    A smart code retrieval tool based on Model Context Protocol that provides efficient and accurate code repository search capabilities for large language models.
    Last updated -
    25

  • Code Snippet Server

    ngeojiajun
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    A MCP server for managing and storing code snippets in various programming languages, allowing users to create, list, and delete snippets via a standardized interface.
    Last updated -
    3
    4
    7
    MIT License

  • db-mcp-tool

    wirdes
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    A powerful Model Context Protocol (MCP) tool for exploring and managing different types of databases including PostgreSQL, MySQL, and Firestore.
    Last updated -
    9
    5
    MIT License

  • 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 -
    1
    238
    223
    MIT License
    • Apple

  • 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

    piotrpalek
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    An MCP server implementation of Anthropic's Think Tool prompt engineering technique that enables Claude to break down complex problems and enhance its reasoning capabilities by providing a simple tool that echoes back thoughts.
    Last updated -
    1
    1

  • mcp-tool-chainer

    thirdstrandstudio
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    An MCP (Model Context Protocol) server that chains calls to other MCP tools, reducing token usage by allowing sequential tool execution with result passing
    Last updated -
    109
    51
    MIT License

  • Gemini MCP Tool

    jamubc
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    A Model Context Protocol server that enables AI assistants to interact with Google Gemini CLI, allowing them to leverage Gemini's large token window for analyzing files and codebases using natural language commands.
    Last updated -
    6
    40,569
    1,425
    • Apple
    • Linux

  • Twitter MCP Tool

    jalaj-pandey
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    A Python-based tool that streamlines social media tasks by enabling users to post tweets, track username changes, fetch recent tweets, and send direct messages on Twitter.
    Last updated -

  • MCP Code Analyzer

    emiryasar
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    A comprehensive code analysis and management tool that integrates with Claude Desktop to analyze code at project and file levels, helping adapt changes to projects intelligently.
    Last updated -
    39
    MIT License

  • claude-code-mcp

    KunihiroS
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    This project aims to build a Claude Code MCP server and implement its associated tools (explain\_code, review\_code, fix\_code, edit\_code, test\_code, simulate\_command, your\_own\_query). The server is implemented using Node.js and the MCP SDK. It receives tool requests from clients via Stdio, dynamically
    Last updated -
    7
    21
    30
    MIT License
    • Linux

  • Code Merge MCP

    yy1588133
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    A Model Context Protocol server that helps large language models process code repositories by providing file tree generation, code merging, and code analysis capabilities.
    Last updated -
    3
    22
    MIT License

  • MCP Server for Alloy Modeling Language

    awwaiid
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    Enables LLM-powered agents to generate, execute, and analyze Alloy modeling language code for software modeling and formal verification. Provides tools to run Alloy models, access documentation and examples, and generate models from system descriptions.
    Last updated -
    1
    MIT License

  • 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 -
    433
    MIT License
    • Apple

  • 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 -
    114
    MIT License

  • code-index-mcp

    johnhuang316
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    A Model Context Protocol (MCP) server that helps large language models index, search, and analyze code repositories with minimal setup
    Last updated -
    12
    411
    MIT License
    • Apple
    • Linux

  • Code Summarizer MCP

    nicobailon
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    Allows LLM tools like Claude Desktop and Cursor AI to access and summarize code files through a Model Context Protocol server, providing structured access to codebase content without manual copying.
    Last updated -
    2
    • Linux
    • Apple

  • MCP Code Executor

    bazinga012
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    Allows LLMs to execute Python code in a specified Conda environment, enabling access to necessary libraries and dependencies for efficient code execution.
    Last updated -
    191
    MIT License
    • Linux
    • Apple