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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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5,085 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

  • mcp-knowledge-graph

    shaneholloman
    A
    security
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    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
    85
    189
    JavaScript
    MIT License
    • Apple

  • 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
    14,700
    49,084
    JavaScript
    MIT License
    • Apple
    • Linux

  • Knowledge Base MCP Server

    jeanibarz
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    security
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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
    10
    TypeScript
    The Unlicense
    • Linux
    • Apple

  • 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
    14,700
    1
    JavaScript

  • Knowledge Graph Memory Server

    T1nker-1220
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    security
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    license
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    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
    14,700
    34
    JavaScript
    MIT License

  • Elasticsearch Knowledge Graph for MCP

    j3k0
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    security
    F
    license
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    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

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  • MCP DuckDB Knowledge Graph Memory Server

    IzumiSy
    A
    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
    32
    35
    TypeScript
    MIT License
    • Apple

  • Knowledge Graph Memory Server

    itseasy21
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    security
    F
    license
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    quality
    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 -
    536
    16
    JavaScript
    • Apple

  • Git Forensics MCP

    davidorex
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    security
    A
    license
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    quality
    A specialized MCP server for in-depth analysis of git repositories, offering tools for branch overview, time period analysis, file changes, and merge recommendations.
    Last updated -
    4
    1
    JavaScript
    Apache 2.0

  • Neo4j Knowledge Graph

    mjftw
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    security
    F
    license
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    quality
    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 -
    Python
    • Linux

  • MemoryMesh

    CheMiguel23
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    security
    A
    license
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    quality
    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

  • GraphDB MCP Server

    keonchennl
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    security
    A
    license
    A
    quality
    A Model Context Protocol server that provides read-only access to Ontotext GraphDB, enabling LLMs to explore RDF graphs and execute SPARQL queries.
    Last updated -
    2
    4
    JavaScript
    GPL 3.0

  • Logseq MCP Server

    dailydaniel
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    security
    A
    license
    A
    quality
    A server that enables LLMs to programmatically interact with Logseq knowledge graphs, allowing creation and management of pages and blocks.
    Last updated -
    10
    17
    Python
    MIT License

  • Chain of Draft (CoD) MCP Server

    stat-guy
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    security
    F
    license
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    quality
    Implements the Chain of Draft reasoning approach to generate minimalistic intermediate reasoning outputs while solving tasks, significantly reducing token usage while maintaining accuracy.
    Last updated -
    7
    2
    Python
    • Apple

  • memento-mcp

    gannonh
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    security
    A
    license
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    quality
    Scalable, high-performance knowledge graph memory system with semantic search, temporal awareness, and advanced relation management.
    Last updated -
    20
    48
    92
    TypeScript
    MIT License

  • Tribal Knowledge Service

    agentience
    A
    security
    A
    license
    A
    quality
    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

  • Atom-of-thoughts

    kbsooo
    A
    security
    A
    license
    A
    quality
    AoT MCP server enables AI models to solve complex reasoning problems by decomposing them into independent, reusable atomic units of thought, featuring a powerful decomposition-contraction mechanism that allows for deep exploration of problem spaces while maintaining high confidence in conclusions.
    Last updated -
    3
    25
    JavaScript
    MIT License
    • Apple
    • Linux

  • mc-server-clash-of-clans

    Saunved
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    security
    F
    license
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    quality
    MCP server for the Clash of Clans API. Can get player, clan information, analyze ongoing wars, as well as war logs (provided they are public).
    Last updated -
    3
    JavaScript

  • Chain of Draft Thinking

    bsmi021
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    security
    A
    license
    A
    quality
    Chain of Draft Server is a powerful AI-driven tool that helps developers make better decisions through systematic, iterative refinement of thoughts and designs. It integrates seamlessly with popular AI agents and provides a structured approach to reasoning, API design, architecture decisions, code r
    Last updated -
    1
    6
    7
    TypeScript
    MIT License

  • Vertex AI MCP Server

    shariqriazz
    A
    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
    520
    19
    TypeScript
    MIT License
    • Linux
    • Apple

  • 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

  • Memory Custom

    BRO3886
    A
    security
    A
    license
    A
    quality
    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

  • MCP 3D Printer Server

    DMontgomery40
    A
    security
    A
    license
    A
    quality
    Enables interaction with 3D printer management systems through an MCP server, supporting STL file manipulation, slicing, and control of printers like OctoPrint, Klipper, Duet, and more.
    Last updated -
    11
    33
    48
    TypeScript
    GPL 2.0
    • Linux
    • Apple

  • Graphlit MCP Serverofficial

    graphlit
    A
    security
    A
    license
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    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
    714
    248
    TypeScript
    MIT License
    • Apple

  • Project MCP Server

    tejpalvirk
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    security
    F
    license
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    quality
    Provides tools for managing project knowledge graphs, enabling structured representation of projects, tasks, milestones, resources, and team members.
    Last updated -
    TypeScript
    • Apple
    • Linux

  • Student MCP Server

    tejpalvirk
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    security
    F
    license
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    quality
    Provides tools for managing student knowledge graphs, enabling structured representation of courses, assignments, exams, concepts, and study resources.
    Last updated -
    TypeScript
    • Apple
    • Linux

  • 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

  • Knowledge Graph Memory Server

    bneil
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    security
    A
    license
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    quality
    Enhances the MCP memory server by implementing PouchDB for robust document storage and enabling the creation and management of a knowledge graph that captures interactions via language models.
    Last updated -
    JavaScript
    MIT License
    • Apple

  • On-Demand Scanning API MCP Server

    ag2-mcp-servers
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    security
    F
    license
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    quality
    An MCP Server that enables users to interact with Google's On-Demand Scanning API (v1beta1) through natural language, likely providing capabilities for vulnerability scanning and security analysis of containers and artifacts.
    Last updated -
    Python

  • MCP Neo4j Knowledge Graph Memory Server

    JovanHsu
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    security
    A
    license
    -
    quality
    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

  • 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