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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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11,740 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

  • 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
    25,014
    6

  • In Memoria

    pi22by7
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    Persistent memory and pattern learning for AI coding assistants via MCP.
    Last updated -
    166
    95
    MIT License
    • Apple
    • Linux

  • Resource Settings MCP Server

    ag2-mcp-servers
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    An MCP Server that provides a natural language interface to Google Cloud Resource Settings API, enabling users to view and manage settings for Google Cloud resources through conversation.
    Last updated -

  • 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
    25,014
    72,811
    MIT License
    • Apple
    • Linux

  • MCP Servers with Pyppeteer

    devalexandre
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    A tool that enables automated browser control using Pyppeteer within the MCP framework, allowing navigation, screenshot capture, and element interaction with websites.
    Last updated -
    Apache 2.0

  • 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
    189
    56
    JavaScript
    MIT License
    • Apple

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  • Neo4j MCP Clients & Servers

    neo4j-contrib
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    This lets you use Claude Desktop, or any MCP Client, to use natural language to accomplish things with Neo4j and your Aura account.
    Last updated -
    798
    MIT License

  • Resource Hub Server

    adamwattis
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    An MCP server that connects to the Resource Hub, allowing centralized configuration and management of tools and resources across different MCP environments.
    Last updated -
    3
    • Apple

  • Knowledge Graph Memory Server

    bneil
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    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 -
    4
    MIT License
    • Apple

  • 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
    25,014
    51
    MIT License

  • Knowledge Graph Memory Server

    AgentWong
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    A persistent memory implementation using a local knowledge graph that lets Claude remember information about users across conversations.
    Last updated -
    7
    MIT License

  • mcp-graphql-schema

    hannesj
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    A MCP server that exposes GraphQL schema information to LLMs like Claude. This server allows an LLM to explore and understand large GraphQL schemas through a set of specialized tools, without needing to load the whole schema into the context
    Last updated -
    5
    42
    MIT License
    • Apple
    • Linux

  • mcp-openapi-schema

    hannesj
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    A MCP server that exposes OpenAPI schema information to LLMs like Claude. This server allows an LLM to explore and understand large OpenAPI schemas through a set of specialized tools, without needing to load the whole schema into the context
    Last updated -
    79
    45
    • Apple
    • Linux

  • Enhanced Knowledge Graph Memory Server

    danielsimonjr
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    An enhanced fork of the official MCP memory server that enables persistent knowledge graph storage with automatic timestamps, tags, importance levels, date range search, comprehensive statistics, and multi-format export (JSON, CSV, GraphML).
    Last updated -
    MIT License

  • MCP DuckDB Knowledge Graph Memory Server

    IzumiSy
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    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
    9
    49
    MIT License
    • Apple

  • MCP Kafka Schema Reg

    aywengo
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    A comprehensive Message Control Protocol (MCP) server for Kafka Schema Registry.
    Last updated -
    82
    26
    Python
    MIT License
    • Apple
    • Linux

  • Loc Knowledge Graph Memory Server

    Myangsun
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    Enables Claude to remember information about users across conversations by storing and retrieving data as entities, relations, and observations in a persistent local knowledge graph.
    Last updated -
    25,014

  • OpenAPI Schema Explorer

    kadykov
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    MCP server providing token-efficient access to OpenAPI/Swagger specs via MCP Resources for client-side exploration.
    Last updated -
    22
    57
    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 -
    19
    MIT License

  • MCP Servers

    fist-maestro
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    A Node.js and TypeScript server project that provides a simple starter example with Express.js web server, supporting hot-reload, testing, and modular structure.
    Last updated -
    2
    72

  • Account and Transaction MCP Server

    ag2-mcp-servers
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    An MCP Server that provides a conversational interface to the UK Open Banking account information API, allowing agents to interact with bank account data through natural language commands.
    Last updated -

  • All-in-One Dev

    nguyenvanduocit
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    All In One Model Context Protocol: qdrant, google suite (gmail, calendar, ...), jira, gitlab, CLI, ...
    Last updated -
    93

  • MCP Memory Server with Qdrant Persistence

    delorenj
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    Facilitates knowledge graph representation with semantic search using Qdrant, supporting OpenAI embeddings for semantic similarity and robust HTTPS integration with file-based graph persistence.
    Last updated -
    7
    16
    • Linux
    • Apple

  • 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 -
    6

  • 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
    338
    726
    MIT License
    • Apple

  • Azure Resource Graph MCP Server

    hardik-id
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    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
    13
    MIT License
    • Linux
    • Apple

  • With-MCP

    janwilmake
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    Middleware that converts a serverless handler with OpenAPI spec into an MCP endpoint following stateless MCP principles.
    Last updated -
    9
    34
    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
    9
    1
    MIT License
    • Apple

  • Knowledge Graph MCP Server

    aiuluna
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    Enables creating, managing, analyzing, and visualizing knowledge graphs with support for multiple graph types (topology, timelines, changelogs, requirements, knowledge bases, ontologies) including node/edge management and resource association.
    Last updated -
    154
    1
    MIT License

  • mcp-with-ssh

    aakarsh-sasi
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    Memory bank with Server as SSH support for central knowledge base
    Last updated -
    15
    35
    36
    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