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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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6,854 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

  • Knowledge Base MCP Server

    jeanibarz
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    license
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    quality
    Provides tools for listing and retrieving content from different knowledge bases using semantic search capabilities.
    Last updated -
    2
    18
    TypeScript
    The Unlicense
    • Linux
    • Apple

  • Elasticsearch Knowledge Graph for MCP

    j3k0
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    security
    F
    license
    A
    quality
    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

  • Knowledge Graph Memory Server

    yodakeisuke
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    security
    F
    license
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    quality
    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
    25,063
    1
    JavaScript

  • mcp-knowledge-graph

    shaneholloman
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    security
    A
    license
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    quality
    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

  • Ragie Model Context Protocol Server

    ragieai
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    license
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    quality
    An MCP server that enables AI models to retrieve information from Ragie's knowledge base through a simple 'retrieve' tool.
    Last updated -
    1
    64
    19
    JavaScript
    MIT License
    • Apple

  • MCP DuckDB Knowledge Graph Memory Server

    IzumiSy
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    security
    A
    license
    A
    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
    24
    42
    TypeScript
    MIT License
    • Apple

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  • Higress AI-Search MCP Server

    cr7258
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    security
    A
    license
    A
    quality
    A Model Context Protocol server that enables AI models to perform real-time internet and knowledge searches through Higress, enhancing model responses with up-to-date information from Google, Bing, Arxiv, and internal knowledge bases.
    Last updated -
    1
    5
    Python
    Apache 2.0

  • Knowledge Graph Memory Server

    modelcontextprotocol
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    security
    A
    license
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    quality
    A basic implementation of persistent memory using a local knowledge graph. This lets Claude remember information about the user across chats.
    Last updated -
    9
    25,063
    59,683
    TypeScript
    MIT License
    • Apple
    • Linux

  • Knowledge Graph Memory Server

    T1nker-1220
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    security
    A
    license
    A
    quality
    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
    25,063
    34
    JavaScript
    MIT License

  • macOS Automator MCP Server

    steipete
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    security
    A
    license
    A
    quality
    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
    157
    351
    TypeScript
    MIT License
    • Apple

  • IaC Memory MCP Server

    AgentWong
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    security
    A
    license
    A
    quality
    Enhances Claude AI with persistent memory storage for Infrastructure-as-Code components, supporting version tracking and relationship mapping for Terraform and Ansible resources.
    Last updated -
    23
    4
    Python
    MIT License

  • Base Network MCP Server

    fakepixels
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    security
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    license
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    quality
    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

  • IAC Memory MCP Server

    AgentWong
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    security
    A
    license
    A
    quality
    A custom Memory MCP Server that acts as a cache for Infrastructure-as-Code information, allowing users to store, summarize, and manage notes with a custom URI scheme and simple resource handling.
    Last updated -
    23
    1
    Python
    MIT License
    • Apple

  • Azure Resource Graph MCP Server

    hardik-id
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    security
    A
    license
    A
    quality
    A Model Context Protocol server for querying and analyzing Azure resources at scale using Azure Resource Graph, enabling AI assistants to explore and monitor Azure infrastructure.
    Last updated -
    1
    5
    TypeScript
    MIT License
    • Linux
    • Apple

  • Valyu MCP Server

    valyu-network
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    security
    A
    license
    A
    quality
    A Model Context Protocol server that provides LLMs with access to Valyu's knowledge retrieval and feedback APIs for searching proprietary/web sources and submitting transaction feedback.
    Last updated -
    2
    TypeScript
    MIT License
    • Linux
    • Apple

  • Volcengine Knowledge Base MCP

    suqidan
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    security
    A
    license
    -
    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

  • Graphlit MCP Serverofficial

    graphlit
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    security
    A
    license
    A
    quality
    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
    1,643
    325
    TypeScript
    MIT License
    • Apple

  • Insights Knowledge Base MCP Server

    v587d
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    security
    A
    license
    A
    quality
    A free, plug-and-play knowledge base server that provides access to 10,000+ insight reports with secure local data storage.
    Last updated -
    2
    3
    Python
    MIT License
    • Apple
    • Linux

  • Notion Knowledge Base MCP Server

    rickydata-indexer
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    security
    F
    license
    -
    quality
    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

  • MCP Private GitHub Search

    Hint-Services
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    security
    A
    license
    A
    quality
    A Model Context Protocol server that provides tools for searching private GitHub repositories, enabling access to repository files, commit history, and issues with automatic handling of rate limiting and error handling.
    Last updated -
    4
    45
    2
    TypeScript
    MIT License

  • OpenTofu MCP Serverofficial

    opentofu
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    security
    F
    license
    A
    quality
    A Model Context Protocol server that allows AI assistants to search for and retrieve information about OpenTofu providers, modules, resources, and data sources from the OpenTofu Registry.
    Last updated -
    5
    51
    26
    TypeScript

  • You Need A Budget (YNAB) MCP

    Jtewen
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    security
    A
    license
    A
    quality
    An MCP to give AI agents extensive knowledge of your personal finances and control of your budgeting.
    Last updated -
    14
    1
    Python
    MIT License
    • Apple
    • Linux

  • MCP Think Tank

    flight505
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    security
    A
    license
    A
    quality
    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
    36
    21
    TypeScript
    MIT License
    • Apple
    • Linux

  • Obsidian GitHub MCP

    Hint-Services
    A
    security
    A
    license
    A
    quality
    A Model Context Protocol server that connects AI assistants to GitHub repositories containing Obsidian vaults, enabling them to read, search, and analyze notes and documentation stored on GitHub.
    Last updated -
    4
    2
    TypeScript
    MIT License

  • Agentsetofficial

    agentset-ai
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    security
    A
    license
    A
    quality
    An open-source platform for Retrieval-Augmented Generation (RAG). Upload documents and query them ⚡
    Last updated -
    1
    41
    5
    JavaScript
    MIT License

  • MCP Memory Server

    StevenWangler
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    security
    A
    license
    A
    quality
    A Model Context Protocol server that provides knowledge graph-based persistent memory for LLMs, allowing them to store, retrieve, and reason about information across multiple conversations and sessions.
    Last updated -
    9
    25,063
    JavaScript
    MIT License

  • FastGPT Knowledge Base MCP

    boleyn
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    security
    F
    license
    -
    quality
    Intelligent knowledge base management tool that enables searching, browsing, and analyzing documents across multiple datasets with smart document analysis capabilities.
    Last updated -
    10
    Python
    • Apple
    • Linux

  • Vertex AI MCP Server

    shariqriazz
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    security
    A
    license
    A
    quality
    Implementation of Model Context Protocol (MCP) server that provides tools for accessing Google Cloud's Vertex AI Gemini models, supporting features like web search grounding and direct knowledge answering for coding assistance and general queries.
    Last updated -
    20
    37
    67
    TypeScript
    MIT License
    • Linux
    • Apple

  • BrianKnows MCP Server

    antoncoding
    A
    security
    F
    license
    A
    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

  • AWS Knowledge Base Retrieval MCP Server

    sammcj
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    security
    -
    license
    -
    quality
    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

  • MCP Knowledge Base

    july090
    -
    security
    A
    license
    -
    quality
    A local knowledge base system based on ChromaDB that supports automatic chunking, vector storage, and efficient similarity retrieval of txt and pdf documents, with MCP protocol support allowing AI assistants to directly access knowledge management functions.
    Last updated -
    Python
    MIT License