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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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9,482 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

  • RAG Memory MCP

    ttommyth
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    An advanced MCP server providing RAG-enabled memory through a knowledge graph with vector search capabilities, enabling intelligent information storage, semantic retrieval, and document processing.
    Last updated -
    20
    28
    • Apple
    • Linux

  • Tyra Advanced Memory MCP Server

    bigrock776
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    A sophisticated MCP server providing advanced memory capabilities with RAG, hallucination detection, and enterprise-grade AI infrastructure for intelligent agent ecosystems.
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  • Crawl4AI RAG MCP Server

    vedantparmar12
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    Provides AI agents and coding assistants with web crawling and RAG capabilities, allowing them to scrape websites and perform semantic searches on the crawled content.
    Last updated -
    2

  • Memory Bank MCP

    movibe
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    Memory Bank Server provides a set of tools and resources for AI assistants to interact with Memory Banks. Memory Banks are structured repositories of information that help maintain context and track progress across multiple sessions.
    Last updated -
    181
    43
    MIT License

  • DuckDB-RAG-MCP-Sample

    nananaman
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    An MCP server that enables RAG (Retrieval-Augmented Generation) on markdown documents by converting them to embedding vectors and performing vector search using DuckDB.
    Last updated -
    3
    Apache 2.0
    • Apple

  • RAG Information Retriever

    ChandrahaasJ
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    An MCP server that implements Retrieval-Augmented Generation to efficiently retrieve and process important information from various sources, providing accurate and contextually relevant responses.
    Last updated -

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  • Local Memory MCP Server

    danieleugenewilliams
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    Provides persistent local memory functionality for AI assistants, enabling them to store, retrieve, and search contextual information across conversations with SQLite-based full-text search. All data stays private on your machine while dramatically improving context retention and personalized assistance.
    Last updated -
    3
    MIT License
    • Apple
    • Linux

  • 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

  • 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 -
    6
    MIT License

  • mcp-server-rag-web-browserofficial

    apify
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    Implementation of an MCP server for the RAG Web Browser Actor. This Actor serves as a web browser for large language models (LLMs) and RAG pipelines, similar to a web search in ChatGPT.
    Last updated -
    69
    183
    Apache 2.0
    • Apple

  • 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
    4
    45
    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
    71,166
    5

  • Roo Code Memory Bank MCP Server

    IncomeStreamSurfer
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    Enables AI assistants to maintain persistent project context across sessions by storing and retrieving structured information in markdown files organized in a memory bank directory.
    Last updated -
    4
    55
    Apache 2.0
    • Linux
    • Apple

  • MCP Memory Server

    sdimitrov
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    Implements long-term memory capabilities for AI assistants using PostgreSQL with pgvector for efficient vector similarity search, enabling semantic retrieval of stored information.
    Last updated -
    43
    • Apple
    • Linux

  • Claude Memory MCP Server

    WhenMoon-afk
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    An MCP server that provides persistent memory capabilities for Claude, offering tiered memory architecture with semantic search, memory consolidation, and integration with the Claude desktop application.
    Last updated -
    33
    MIT License

  • MCP Memory Server

    StevenWangler
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    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
    71,166
    2
    MIT License

  • mcp-local-rag

    nkapila6
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    "primitive" RAG-like web search model context protocol server that runs locally. ✨ no APIs ✨
    Last updated -
    78
    Python
    MIT License
    • Linux
    • Apple

  • IAC Memory MCP Server

    AgentWong
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    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
    MIT License
    • Apple

  • Graph Memory MCP

    BrikerMan
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    Enables AI agents to build and query a persistent knowledge graph with entities, relationships, and observations. Features a core index system that ensures critical information is always accessible across all memory operations.
    Last updated -

  • RAG Context MCP Server

    notbnull
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    A lightweight server that provides persistent memory and context management for AI assistants using local vector storage and database, enabling efficient storage and retrieval of contextual information through semantic search and indexed retrieval.
    Last updated -
    1
    MIT License

  • Model Context Protocol Server

    arkeodev
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    Provides a standardized protocol for tool invocation, enabling an AI system to search the web, retrieve information, and provide relevant answers through integration with LangChain, RAG, and Ollama.
    Last updated -
    2
    MIT License

  • Memory MCP Server

    tomschell
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    A long-term memory storage system for LLMs that helps them remember context across multiple sessions using semantic search with embeddings to provide relevant historical information from past interactions and development decisions.
    Last updated -
    7
    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 -
    16
    MIT License

  • MCP - Titan Memory Server

    jasonkneen
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    Enables neural memory sequence learning with a memory-augmented model for improved code understanding and generation, featuring state management, novelty detection, and model persistence.
    Last updated -
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    2

  • RAG MCP server

    proofofsid
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    Implements a RAG workflow that integrates with any custom knowledge base and can be triggered directly from the Cursor IDE.
    Last updated -

  • 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 -
    10
    4
    MIT License
    • Apple

  • RAG Anything MCP Server

    jesse-merhi
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    An MCP server that provides comprehensive multimodal Retrieval-Augmented Generation (RAG) capabilities for processing and querying document directories, supporting text, images, tables, and equations.
    Last updated -
    5
    MIT License

  • Central-Memory-MCP

    MWGMorningwood
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    Model Context Protocol (MCP) memory server built with Azure Functions and TypeScript, providing persistent knowledge graph storage for your preferred MCP client. Inspired by and forked from @modelcontextprotocol/server-memory
    Last updated -
    1
    MIT License

  • Memory Engineering MCP

    romiluz13
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    Provides persistent memory and semantic code understanding for AI assistants using MongoDB Atlas Vector Search. Enables intelligent code search, memory management, and pattern detection across codebases with complete semantic context preservation.
    Last updated -
    52
    11
    MIT License

  • MCP Memory

    tienngang
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    Enables MCP clients to remember user information, preferences, and behaviors across conversations using vector search technology. Built on Cloudflare infrastructure with AI-powered semantic search to find relevant memories based on meaning rather than keywords.
    Last updated -

  • RAG-MCP Server

    plaban1981
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    A server that integrates Retrieval-Augmented Generation (RAG) with the Model Control Protocol (MCP) to provide web search capabilities and document analysis for AI assistants.
    Last updated -
    3
    Apache 2.0

  • 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
    71,166
    68,255
    MIT License
    • Apple
    • Linux