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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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9,448 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

  • MCP Chat

    hbd
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    A server that enables users to chat with each other by repurposing the Model Context Protocol (MCP), designed for AI tool calls, into a human-to-human communication system.
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    5
    MIT License

  • MCP Chat Analysis Server

    rebots-online
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    Facilitates semantic analysis of chat conversations through vector embeddings and knowledge graphs, offering tools for semantic search, concept extraction, and conversation pattern analysis.
    Last updated -
    11
    MIT License

  • Cursor Conversations MCP Server

    vltansky
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    Allows AI assistants to access and analyze your Cursor conversation history, enabling personalized coding assistance based on your actual development patterns.
    Last updated -
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    12
    MIT License
    • Apple
    • Linux

  • 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 -
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    4
    MIT License
    • Apple

  • MCP Chat Logger

    AlexiFeng
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    A tool that preserves chat history as Markdown files, automatically adding timestamps and supporting conversation identification through session IDs.
    Last updated -
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    4
    MIT License
    • Apple
    • Linux

  • IDE Chat Summarizer

    RalphLi213
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    Transforms chat conversations with AI into structured markdown summaries and automatically saves them to organized files in your notes directory. Supports different summary styles, handles large conversations through chunking, and provides tools to manage your saved summaries.
    Last updated -
    4

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  • YouTube Knowledge MCP

    efikuta
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    Transforms YouTube into a queryable knowledge source with search, video details, transcript analysis, and AI-powered tools for summaries, learning paths, and knowledge graphs. Features quota-aware API access with caching and optional OpenAI/Anthropic integration for advanced content analysis.
    Last updated -
    1

  • GitHub Chat MCP

    AsyncFuncAI
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    An MCP server that enables analyzing and querying GitHub repositories through the GitHub Chat API, allowing users to index repositories and ask questions about their code, architecture and tech stack.
    Last updated -
    2
    62
    MIT License
    • Linux
    • Apple

  • A Share MCP

    24mlight
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    A Model Context Protocol server providing tools for querying A-share stock market data, including historical prices, financial reports, market indices, and macroeconomic indicators.
    Last updated -
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    424
    MIT License

  • Knowledge MCP Server

    sven-borkert
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    Provides centralized knowledge management for projects, allowing users to store, search, and maintain project-specific knowledge that persists across sessions.
    Last updated -
    27
    2
    1
    MIT License
    • Apple

  • Two Truths and a Twist

    ErgodicLabs
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    An MCP-based trivia game server where AI creates rounds with two true statements and one false 'twist' about various topics, letting players guess which statement is false.
    Last updated -
    5
    MIT License
    • Apple
    • Linux

  • MCP AI Chat LangChain

    badrinathvm
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    A basic Model Context Protocol server implementation that demonstrates core functionality including tools and resources for AI chat applications.
    Last updated -

  • Knowledge Graph Memory Server

    itseasy21
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    An implementation of persistent memory for Claude using a local knowledge graph, allowing the AI to remember information about users across conversations with customizable storage location.
    Last updated -
    11
    228
    54
    JavaScript
    MIT License
    • Apple

  • Google Chat MCP Server

    chy168
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    Provides MCP (Model Control Protocol) tools for accessing and interacting with Google Chat spaces and messages through OAuth2 authentication.
    Last updated -
    9
    MIT License

  • Knowledge Graph Memory Server

    yodakeisuke
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    This MCP server provides persistent memory integration for chat applications by utilizing a local knowledge graph to remember user information across interactions.
    Last updated -
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    71,166
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  • mcp-knowledge-graph

    shaneholloman
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    An improved implementation of persistent memory using a local knowledge graph with a customizable --memory-path. This lets Claude remember information about the user across chats.
    Last updated -
    9
    1,113
    652
    MIT License
    • Apple

  • 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

  • any-chat-completions-mcp

    pyroprompts
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    Integrate Claude with Any OpenAI SDK Compatible Chat Completion API - OpenAI, Perplexity, Groq, xAI, PyroPrompts and more.
    Last updated -
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    27
    140
    MIT License
    • Apple

  • Neo4j Knowledge Graph

    mjftw
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    Enables storage and retrieval of knowledge in a graph database format, allowing users to create, update, search, and delete entities and relationships in a Neo4j-powered knowledge graph through natural language.
    Last updated -
    3
    • Linux

  • A-Share MCP Server

    24mlight
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    A Model Context Protocol server focused on China's A-share stock market that provides data on stocks, financials, market indices, and macroeconomic indicators.
    Last updated -
    27
    424
    MIT License

  • Knowledge Base MCP Server

    Leon4s4
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    A mem0-like memory system for GitHub Copilot that provides persistent knowledge storage and retrieval capabilities using local ChromaDB.
    Last updated -
    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

  • 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 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 -
    128
    MIT License
    • Linux
    • Apple

  • Knowledge MCP Service

    vietnama10
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    Enables AI-powered document analysis and querying for project documentation using vector embeddings stored in Redis. Supports document upload, context-aware Q\&A, automatic test case generation, and requirements traceability through OpenAI integration.
    Last updated -
    637

  • Notion Knowledge MCP Server

    YuHuanHsu
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    A Cloudflare Workers-based service that enables intelligent searching, automatic code snippet recording, and statistical analysis of programming knowledge stored in Notion databases.
    Last updated -

  • Shared Knowledge MCP Server

    j5ik2o
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    This server enables AI assistants (CLINE, Cursor, Windsurf, Claude Desktop) to share a common knowledge base through Retrieval Augmented Generation (RAG), providing consistent information access across multiple tools.
    Last updated -
    4
    • Apple

  • Knowledge Base MCP Server

    jeanibarz
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    Provides tools for listing and retrieving content from different knowledge bases using semantic search capabilities.
    Last updated -
    1
    25
    The Unlicense
    • Linux
    • Apple

  • 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-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
    48
    MIT License

  • mcp-discord-chat MCP server

    koladev32
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    Facilitates note storage and summarization through custom URIs, allowing users to manage, summarize, and update notes with varying detail levels in a collaborative environment.
    Last updated -
    • Apple

  • Dify Knowledge MCP Server

    liiklin
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    A Model Context Protocol server that enables AI assistants like Cursor to directly query and retrieve information from Dify knowledge bases through natural language.
    Last updated -
    2
    2
    1
    • Linux
    • Apple