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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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6,070 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

  • Obsidian MCP Server

    cyanheads
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    Enables interaction between LLMs and Obsidian vaults through the Model Context Protocol, supporting secure file operations, content management, and advanced search capabilities.
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    Apache 2.0
    • Apple
    • Linux

  • MCP Memory Service

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    Provides semantic memory and persistent storage for Claude, leveraging ChromaDB and sentence transformers for enhanced search and retrieval capabilities.
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    360
    Python
    MIT License
    • Linux

  • Memory Box MCP Server

    amotivv
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    Cline MCP integration that allows users to save, search, and format memories with semantic understanding, providing tools to store and retrieve information using vector embeddings for meaning-based search.
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    1
    JavaScript
    MIT License
    • Apple

  • basic-memory

    basicmachines-co
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    Basic Memory is a knowledge management system that allows you to build a persistent semantic graph from conversations with AI assistants. All knowledge is stored in standard Markdown files on your computer, giving you full control and ownership of your data. Integrates directly with Obsidan.md
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    932
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    AGPL 3.0
    • Apple

  • Elasticsearch Knowledge Graph for MCP

    j3k0
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    Provides a scalable knowledge graph implementation for Model Context Protocol using Elasticsearch, enabling AI models to store and query information with advanced search capabilities, memory-like behavior, and multi-zone architecture.
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    TypeScript

  • Astra DB MCP Serverofficial

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    A Model Context Protocol server that allows Large Language Models to interact with Astra DB databases, providing tools for managing collections and records through natural language commands.
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    Apache 2.0
    • Apple

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  • mcp-memory-libsql

    spences10
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    A high-performance MCP server utilizing libSQL for persistent memory and vector search capabilities, enabling efficient entity management and semantic knowledge storage.
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    MIT License

  • Letta MCP Server

    oculairmedia
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    An MCP server implementation that enables interaction with the Letta API for managing agents, memory blocks, and tools in the Letta system.
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    20
    JavaScript
    MIT License
    • Linux
    • Apple

  • MCP Memory LibSQL

    joleyline
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    A high-performance, persistent memory system for the Model Context Protocol (MCP) providing vector search capabilities and efficient knowledge storage using libSQL as the backing store.
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    TypeScript
    MIT License
    • Linux

  • Optimized Memory MCP Server V2

    AgentWong
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    A Python-based server that implements the Model Context Protocol to interface with Claude Desktop as an MCP client, supporting interaction through efficient memory management.
    Last updated -
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    Python
    MIT License

  • Obsidian iCloud MCP

    YanceyOfficial
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    Connects Obsidian vaults stored in iCloud Drive to AI models via the Model Context Protocol, allowing AI assistants to access and interact with your Obsidian notes.
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    598
    1
    TypeScript
    MIT License
    • Apple
    • Linux

  • obsidian-mcp

    StevenStavrakis
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    Enables AI assistants to interact with Obsidian vaults, providing tools for reading, creating, editing and managing notes and tags.
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    TypeScript
    MIT License
    • Apple

  • Obsidian MCP

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    This project implements a Model Context Protocol (MCP) server for connecting AI models with Obsidian knowledge bases. Through this server, AI models can directly access and manipulate Obsidian notes, including reading, creating, updating, and deleting notes, as well as managing folder structures.
    Last updated -
    598
    7
    JavaScript

  • Agentic Tools MCP Server

    Pimzino
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    A Model Context Protocol server providing AI assistants with comprehensive project, task, and subtask management capabilities with project-specific storage.
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    TypeScript
    MIT License
    • Apple
    • Linux

  • MCP JSON Document Collection Server

    jimpick
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    A Model Context Protocol server that allows creation and management of multiple Fireproof JSON databases with CRUD operations, querying capabilities, and cloud synchronization for sharing databases with others.
    Last updated -
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    2
    JavaScript
    • Apple

  • 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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    TypeScript
    MIT License
    • Apple
    • Linux

  • 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.
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    20,717
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    JavaScript

  • Memory MCP

    HamzaFarhan
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    A knowledge-graph-based memory system for AI agents that enables persistent information storage between conversations.
    Last updated -
    Python

  • Obsidian MCP Server

    engineers-hub-ltd-in-house-project
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    Allows AI models to interact with Obsidian notes through the Local REST API, enabling creation, reading, updating, searching of notes, and Git-based automatic backups.
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    MIT License
    • Linux
    • Apple

  • Obsidian MCP

    takuya0206
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    A Model Context Protocol server that enables AI assistants to read, write, and manipulate notes in your Obsidian vault through a standardized interface.
    Last updated -
    598
    TypeScript
    ISC License

  • Logseq MCP Server

    dailydaniel
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    A server that enables LLMs to programmatically interact with Logseq knowledge graphs, allowing creation and management of pages and blocks.
    Last updated -
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    17
    Python
    MIT License

  • MCP Neo4j Knowledge Graph Memory Server

    JovanHsu
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    Enhanced knowledge graph memory server for AI assistants that uses Neo4j as the backend storage engine, enabling powerful graph queries and efficient storage of user interaction information with full MCP protocol compatibility.
    Last updated -
    TypeScript
    MIT License

  • Obsidian MCP Server

    marcelmarais
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    A lightweight server that enables AI assistants like Cursor & Claude to read from and write to Obsidian vaults, allowing actions like creating notes, checking existing content, and managing todos through natural language.
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    TypeScript

  • @chargebee/mcpofficial

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    MCP Server that connects AI agents to Chargebee Platform.
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    784
    10
    TypeScript
    MIT License
    • Linux
    • Apple

  • FastAPI MCP Template

    joonheeu
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    Production-ready API server template integrating FastAPI with Model Context Protocol (MCP) for LLM integration, structured logging, and comprehensive testing.
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    Python

  • @arizeai/phoenix-mcpofficial

    Arize-ai
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    Phoenix MCP Server is an implementation of the Model Context Protocol for the Arize Phoenix platform. It provides a unified interface to Phoenix's capabilites. You can use Phoenix MCP Server for: Prompts Management: Create, list, update, and iterate on prompts Datasets: Explore datasets, and synte
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    6,004

  • Backlog MCP Server

    nulab
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    A Model Context Protocol server that enables Claude to interact with Backlog project management tools through API integration, allowing management of projects, issues, wiki pages and other Backlog resources.
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    66
    TypeScript
    MIT License

  • MCP-Mem0

    yellnuts
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    A robust server for managing long-term agent memory using Mem0, providing efficient storage and retrieval of agent memories with a lightweight Python-based implementation.
    Last updated -
    Python
    MIT License

  • Task Master

    eyaltoledano
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    A task management system for AI-driven development with Claude, designed to work seamlessly with Cursor AI and other code editors via MCP.
    Last updated -
    47,162
    15,888
    JavaScript
    • Linux
    • Apple

  • Redmine MCP Server

    yonaka15
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    A Model Context Protocol server for interacting with Redmine using its REST API, enabling the management of tickets, projects, and user data through integration with LLMs.
    Last updated -
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    40
    TypeScript
    MIT License

  • MCP Todoist

    kentaroh7777
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    A Model Context Protocol server implementation compatible with Todoist API, allowing AI agents to interact with task management functionality through standardized MCP tools.
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    TypeScript