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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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5,682 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

  • 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.
    Last updated -
    17
    6
    TypeScript

  • macOS Automator MCP Server

    steipete
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    Provides a Model Context Protocol server for executing AppleScript and JavaScript for Automation scripts on macOS, featuring a knowledge base of pre-defined scripts and supporting automation of macOS applications and system functions.
    Last updated -
    2
    139
    213
    TypeScript
    MIT License
    • Apple

  • Tribal Knowledge Service

    agentience
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    An MCP server implementation that helps Claude remember and learn from programming errors by storing, retrieving, and finding similar errors with full context.
    Last updated -
    6
    2
    Python
    MIT License
    • Apple

  • Base Network MCP Server

    fakepixels
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    An MCP server that enables LLMs to perform blockchain operations on the Base network through natural language commands, including wallet management, balance checking, and transaction execution.
    Last updated -
    4
    4
    1
    TypeScript
    MIT License
    • Apple

  • 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
    156
    247
    JavaScript
    MIT License
    • Apple

  • 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 -
    9
    14,700
    1
    JavaScript

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  • Volcengine Knowledge Base MCP

    suqidan
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    security
    A
    license
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    quality
    A Claude Desktop MCP server that provides knowledge base search and chat functionality for Volcengine knowledge bases, allowing users to search and chat with their external knowledge repositories.
    Last updated -
    Python
    MIT License
    • Apple

  • Knowledge Graph Memory Server

    modelcontextprotocol
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    A basic implementation of persistent memory using a local knowledge graph. This lets Claude remember information about the user across chats.
    Last updated -
    9
    14,700
    52,147
    Python
    MIT License
    • Apple
    • Linux

  • MCP DuckDB Knowledge Graph Memory Server

    IzumiSy
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    quality
    A memory server for Claude that stores and retrieves knowledge graph data in DuckDB, enhancing performance and query capabilities for conversations with persistent user information.
    Last updated -
    8
    27
    35
    TypeScript
    MIT License
    • Apple

  • memento-mcp

    gannonh
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    Scalable, high-performance knowledge graph memory system with semantic search, temporal awareness, and advanced relation management.
    Last updated -
    20
    83
    103
    TypeScript
    MIT License

  • Knowledge Graph Memory Server

    T1nker-1220
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    Enhances user interaction through a persistent memory system that remembers information across chats and learns from past errors by utilizing a local knowledge graph and lesson management.
    Last updated -
    13
    14,700
    34
    JavaScript
    MIT License

  • Ragie Model Context Protocol Server

    ragieai
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    An MCP server that enables AI models to retrieve information from Ragie's knowledge base through a simple 'retrieve' tool.
    Last updated -
    1
    146
    16
    JavaScript
    MIT License
    • Apple

  • FastGPT Knowledge Base MCP

    boleyn
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    security
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    Intelligent knowledge base management tool that enables searching, browsing, and analyzing documents across multiple datasets with smart document analysis capabilities.
    Last updated -
    3
    Python

  • Notion Knowledge Base MCP Server

    rickydata-indexer
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    An MCP server that connects to your Notion knowledge base, allowing you to query and retrieve information directly from VSCode using the Cline extension.
    Last updated -
    Python
    • Apple

  • Claude-GAS-Bridge

    KaishuShito
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    quality
    A bridge server that connects MCP clients (like Claude Desktop) to Google Apps Script, allowing execution of GAS scripts through natural language interfaces.
    Last updated -
    1
    1
    JavaScript

  • BrianKnows MCP Server

    antoncoding
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    quality
    An MCP server that connects Claude to BrianKnows' blockchain knowledge base, allowing users to search for blockchain/DeFi information and interact with a specialized agent across multiple knowledge bases.
    Last updated -
    3
    JavaScript

  • Graphlit MCP Serverofficial

    graphlit
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    The Model Context Protocol (MCP) Server enables integration between MCP clients and the Graphlit service. Ingest anything from Slack to Gmail to podcast feeds, in addition to web crawling, into a Graphlit project - and then retrieve relevant contents from the MCP client.
    Last updated -
    43
    1,347
    290
    TypeScript
    MIT License
    • 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.
    Last updated -
    20
    84
    5
    TypeScript
    MIT License
    • Apple
    • Linux

  • Shared Knowledge MCP Server

    j5ik2o
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    F
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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 -
    1
    TypeScript
    • Apple

  • mcp-with-ssh

    aakarsh-sasi
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    Memory bank with Server as SSH support for central knowledge base
    Last updated -
    15
    22
    TypeScript
    MIT License

  • MCP Server for Google Cloud Healthcare API

    Kartha-AI
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    MCP Server for Google Cloud Healthcare API enables Agentic AI for a variety of FHIR-based digital health solutions, from smarter clinical workflows for Health Systems to Pre-Auth frameworks for Payers!
    Last updated -
    15
    3
    JavaScript
    MIT License
    • Apple

  • Agentsetofficial

    agentset-ai
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    security
    A
    license
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    quality
    An open-source platform for Retrieval-Augmented Generation (RAG). Upload documents and query them ⚡
    Last updated -
    1
    169
    JavaScript
    MIT License

  • Memory Custom

    BRO3886
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    A customized MCP memory server that enables creation and management of a knowledge graph with features like custom memory paths and timestamping for capturing interactions via language models.
    Last updated -
    11
    2
    JavaScript
    MIT License
    • Apple

  • Powertools MCP Search Server

    aws-powertools
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    Enables LLMs to search through AWS Lambda Powertools documentation across multiple runtimes (Python, TypeScript, Java, .NET) using a Model Context Protocol server.
    Last updated -
    2
    100
    24
    TypeScript
    • Apple
    • Linux

  • AWS Knowledge Base Retrieval MCP Server

    sammcj
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    An MCP server that enables users to retrieve information from AWS Knowledge Bases using RAG (Retrieval-Augmented Generation) via Bedrock Agent Runtime.
    Last updated -
    257
    JavaScript

  • LlamaCloud MCP Server

    run-llama
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    A MCP server connecting to a managed index on LlamaCloud. This is a TypeScript-based MCP server that implements a connection to a managed index on LlamaCloud.
    Last updated -
    1
    4
    74
    JavaScript
    MIT License
    • Apple

  • Code Research MCP Server

    nahmanmate
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    Facilitates searching and accessing programming resources across platforms like Stack Overflow, MDN, GitHub, npm, and PyPI, aiding LLMs in finding code examples and documentation.
    Last updated -
    6
    25
    JavaScript
    AGPL 3.0
    • Apple

  • MemoryMesh

    CheMiguel23
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    security
    A
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    This project is based on the Knowledge Graph Memory Server from the MCP servers repository and retains its core functionality.
    Last updated -
    44
    107
    TypeScript
    MIT License
    • 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 -
    28
    178
    Python
    MIT License

  • MCP-Smallest.ai

    VinayakTiwari1103
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    A Model Context Protocol server implementation that provides a standardized interface for interacting with Smallest.ai's knowledge base management system.
    Last updated -
    3
    3
    TypeScript

  • Base MCP Serverofficial

    base
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    security
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    Provides onchain tools for Claude AI to interact with the Base blockchain and Coinbase API, enabling wallet management, fund transfers, and smart contract deployment.
    Last updated -
    136
    204
    TypeScript
    MIT License
    • Apple
    • Linux

  • Node Omnibus MCP Server

    bsmi021
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    security
    A
    license
    A
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    A comprehensive Model Context Protocol server that provides advanced Node.js development tooling for automating project creation, component generation, package management, and documentation with AI-powered assistance.
    Last updated -
    7
    2
    JavaScript
    MIT License