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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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6,852 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

  • 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
    25,063
    1
    JavaScript

  • Memory Box MCP Server

    amotivv
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    Cline MCP integration that allows users to save, search, and format memories with semantic understanding, providing tools to store and retrieve information using vector embeddings for meaning-based search.
    Last updated -
    6
    1
    JavaScript
    MIT License
    • Apple

  • memento-mcp

    gannonh
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    quality
    Scalable, high-performance knowledge graph memory system with semantic search, temporal awareness, and advanced relation management.
    Last updated -
    20
    57
    150
    TypeScript
    MIT License

  • Knowledge Graph Memory Server

    modelcontextprotocol
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    security
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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
    25,063
    60,400
    TypeScript
    MIT License
    • Apple
    • Linux

  • 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
    24
    42
    TypeScript
    MIT License
    • Apple

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  • MCP Memory LibSQL

    joleyline
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    security
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    license
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    quality
    A high-performance, persistent memory system for the Model Context Protocol (MCP) providing vector search capabilities and efficient knowledge storage using libSQL as the backing store.
    Last updated -
    6
    153
    1
    TypeScript
    MIT License
    • Linux

  • mcp-memory-libsql

    spences10
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    quality
    A high-performance MCP server utilizing libSQL for persistent memory and vector search capabilities, enabling efficient entity management and semantic knowledge storage.
    Last updated -
    6
    153
    61
    TypeScript
    MIT License

  • 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

  • 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

  • MCP Memory Server

    StevenWangler
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    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

  • Knowledge Graph Memory Server

    T1nker-1220
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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
    25,063
    34
    JavaScript
    MIT License

  • tavily-search-mcp-server

    apappascs
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    An MCP server implementation that integrates the Tavily Search API, providing optimized search capabilities for LLMs.
    Last updated -
    1
    TypeScript
    MIT License
    • Apple

  • Knowledge Base MCP Server

    jeanibarz
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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

  • MCP Think Tank

    flight505
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    license
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    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

  • basic-memory

    basicmachines-co
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    quality
    Basic Memory is a knowledge management system that allows you to build a persistent semantic graph from conversations with AI assistants. All knowledge is stored in standard Markdown files on your computer, giving you full control and ownership of your data. Integrates directly with Obsidan.md
    Last updated -
    9
    1,306
    Python
    AGPL 3.0
    • Apple

  • Cursor10x Memory System

    sizzlebop
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    security
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    license
    A
    quality
    A comprehensive memory system for Cursor using the Model Context Protocol (MCP) that provides persistent context awareness across sessions by storing conversation history, project milestones, code snippets, and enabling semantic search.
    Last updated -
    18
    111
    MIT License

  • MCP Memory Service

    doobidoo
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    Provides semantic memory and persistent storage for Claude, leveraging ChromaDB and sentence transformers for enhanced search and retrieval capabilities.
    Last updated -
    3
    458
    Python
    MIT License
    • Linux

  • Higress AI-Search MCP Server

    cr7258
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    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

  • AGI MCP Server

    cognitivecomputations
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    A Model Context Protocol server that provides persistent memory capabilities for AI systems, enabling true continuity of consciousness across conversations through episodic, semantic, procedural, and strategic memory types.
    Last updated -
    24
    2
    JavaScript

  • 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 -
    15
    111
    13
    TypeScript
    MIT License

  • Roo Code Memory Bank MCP Server

    IncomeStreamSurfer
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    quality
    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
    10
    JavaScript
    Apache 2.0
    • Linux
    • Apple

  • Memory Bank MCP Server

    ipospelov
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    license
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    quality
    Provides a structured documentation system for context preservation in AI assistant environments, helping users create and manage memory banks for their projects.
    Last updated -
    3
    10
    Python
    MIT License
    • Linux
    • Apple

  • MCP Gemini Google Search

    yukukotani
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    Provides Google Search functionality for AI models using Gemini's built-in Grounding with Google Search feature, returning real-time web search results with source citations.
    Last updated -
    1
    4
    TypeScript
    Apache 2.0

  • Serper Search MCP Server

    NightTrek
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    Enables integration of Google search functionality into MCP-enabled applications using the Serper API, providing rich search results, configurable parameters, and efficient response handling.
    Last updated -
    1
    12
    TypeScript
    • Apple

  • MCP Tavily Search Server

    spences10
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    Integrates Tavily's search API with LLMs to provide advanced web search capabilities, including intelligent result summaries, domain filtering for quality control, and configurable search parameters.
    Last updated -
    3
    64
    9
    JavaScript
    MIT License
    • Linux

  • Memory Bank MCP Server

    alioshr
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    quality
    Provides a centralized MCP-based system for managing and accessing multi-project memory banks remotely, with features like project isolation, file structure validation, and type-safe operations.
    Last updated -
    5
    572
    245
    TypeScript
    MIT License
    • Apple
    • Linux

  • mcp-with-ssh

    aakarsh-sasi
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    security
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    license
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    quality
    Memory bank with Server as SSH support for central knowledge base
    Last updated -
    15
    72
    21
    TypeScript
    MIT License

  • 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

  • Valyu MCP Server

    valyu-network
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    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

  • cognee-mcp

    topoteretes
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    security
    A
    license
    A
    quality
    Memory manager for AI apps and Agents using various graph and vector stores and allowing ingestion from 30+ data sources
    Last updated -
    4
    6,399
    Python
    Apache 2.0
    • Apple