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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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5,613 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

  • Elasticsearch Knowledge Graph for MCP

    j3k0
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    security
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    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

  • Memory Custom

    BRO3886
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    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

  • 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

  • Memory MCP Server

    evangstav
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    security
    A
    license
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    quality
    Provides knowledge graph functionality for managing entities, relations, and observations in memory with strict validation rules to maintain data consistency.
    Last updated -
    6
    Python
    MIT License

  • 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

  • Roo Code Memory Bank MCP Server

    IncomeStreamSurfer
    A
    security
    A
    license
    A
    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

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  • Neo4j Knowledge Graph

    mjftw
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    security
    F
    license
    -
    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

  • Supabase Memory MCP Server

    gtrusler
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    security
    F
    license
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    quality
    Provides memory/knowledge graph storage capabilities using Supabase, enabling multiple Claude instances to safely share and maintain a knowledge graph with features like entity storage, concurrent access safety, and full text search.
    Last updated -
    6
    JavaScript
    • Apple
    • Linux

  • Arc Memory MCP Serverofficial

    Arc-Computer
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    security
    A
    license
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    quality
    A bridge that exposes structured, verifiable context and query capabilities of a local Temporal Knowledge Graph to MCP-compatible AI agents, enabling them to access explicit project history and relationships rather than just semantic content.
    Last updated -
    1
    Python
    MIT License
    • Apple
    • Linux

  • Claude Memory MCP Server

    WhenMoon-afk
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    security
    A
    license
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    quality
    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 -
    5
    Python
    MIT License

  • Dev Memory MCP Server

    TrackerXXX23
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    security
    F
    license
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    quality
    Persistent development memory server that automatically captures and organizes development context, code changes, and user interactions across projects.
    Last updated -
    2
    TypeScript

  • Dual MCP Server for IoT & Memory

    jordy33
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    security
    F
    license
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    quality
    Provides two Model Context Protocol servers that enable controlling IoT devices and managing persistent memory storage with semantic search capabilities.
    Last updated -
    1
    Python

  • Code Knowledge MCP Server

    davidvc
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    security
    F
    license
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    quality
    Provides a project memory bank and RAG context provider for enhanced code understanding and management through vector embeddings, integrated with RooCode and Cline.
    Last updated -
    9
    Python
    • Apple

  • Notion Knowledge Base MCP Server

    rickydata-indexer
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    security
    F
    license
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    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

  • Memory MCP Server

    tomschell
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    security
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    license
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    quality
    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 -
    3
    TypeScript
    MIT License

  • Memory MCP Server

    grizzlypeaksoftware
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    security
    F
    license
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    quality
    A Model Context Protocol server that enables Claude to persistently store, search, and manage text memories with tags in a local JSON file.
    Last updated -
    TypeScript
    • Apple

  • OceanBase MCP Server

    yuanoOo
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    security
    A
    license
    A
    quality
    A Model Context Protocol server that enables AI assistants to securely interact with OceanBase databases by listing tables, reading data, and executing SQL queries through a controlled interface.
    Last updated -
    1
    2
    Python
    Apache 2.0
    • Linux
    • Apple

  • MCP Server Template for Cursor IDE

    MyBlockcities
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    security
    A
    license
    A
    quality
    A template for creating custom tools for Cursor IDE using Model Context Protocol that allows users to deploy their own MCP server to Heroku and connect it to Cursor IDE.
    Last updated -
    2
    1
    Python
    MIT License
    • Linux
    • Apple

  • Memory Cache MCP Server

    ibproduct
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    security
    F
    license
    A
    quality
    A Model Context Protocol server that reduces token consumption by efficiently caching data between language model interactions, automatically storing and retrieving information to minimize redundant token usage.
    Last updated -
    4
    3
    JavaScript

  • mem0 MCP Server

    sadiuysal
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    security
    F
    license
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    quality
    A TypeScript implementation of the Model Context Protocol server that enables creation, management, and semantic search of memory streams with Mem0 integration.
    Last updated -
    TypeScript

  • SSH MCP Server

    KinoThe-Kafkaesque
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    security
    F
    license
    A
    quality
    A Model Context Protocol server implementation that enables secure remote command execution via SSH, with features for managing and using SSH credentials.
    Last updated -
    5
    3
    JavaScript

  • MCP Server for OpenSearch

    ibrooksSDX
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    security
    A
    license
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    quality
    Provides a semantic memory layer that integrates LLMs with OpenSearch, enabling storage and retrieval of memories within the OpenSearch engine.
    Last updated -
    Python
    Apache 2.0

  • MCP Create Server

    tesla0225
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    security
    A
    license
    A
    quality
    A dynamic service that creates and manages Model Context Protocol (MCP) servers, allowing users to spawn, customize, and control multiple MCP servers as child processes.
    Last updated -
    5
    65
    TypeScript
    MIT License
    • Apple
    • Linux

  • File Edit Check MCP Server

    8grackles
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    security
    F
    license
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    quality
    This MCP server enforces pre-read checks and detailed commit documentation to prevent unauthorized file modifications, ensuring write and diff operations are preceded by explicit reads.
    Last updated -
    4
    JavaScript

  • solana-mcp-server

    aldrin-labs
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    security
    A
    license
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    quality
    mcp server that allows to do actual actions related to solana first version adds knowledge about RPC methods and how to call them
    Last updated -
    18
    Rust
    The Unlicense

  • MCP Chat Analysis Server

    rebots-online
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    security
    A
    license
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    quality
    Facilitates semantic analysis of chat conversations through vector embeddings and knowledge graphs, offering tools for semantic search, concept extraction, and conversation pattern analysis.
    Last updated -
    8
    Python
    MIT License

  • ActivityWatch MCP Server

    8bitgentleman
    A
    security
    A
    license
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    quality
    An interface that allows large language models like Claude to interact with ActivityWatch time tracking data through the Model Context Protocol, enabling queries about application usage, browsing history, and productivity patterns.
    Last updated -
    5
    1
    TypeScript
    MIT License
    • Apple

  • privateGPT MCP Server

    Fujitsu-AI
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    security
    A
    license
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    quality
    A server implementation that allows secure communication between MCP clients and privateGPT, enabling users to chat with privateGPT using knowledge bases and manage sources, groups, and users through a standardized Model Context Protocol.
    Last updated -
    4
    JavaScript
    MIT License
    • Linux
    • Apple

  • Crystal MCP Server

    MRIIOT
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    security
    F
    license
    -
    quality
    A TypeScript MCP server that enables AI assistants to create, manage, and manipulate 'crystals' - structured data containers for storing complex analysis, code, and knowledge that can be exported and reimported across different AI conversations.
    Last updated -
    JavaScript
    • Apple
    • Linux

  • Smart Photo Journal MCP Server

    Siddhant-K-code
    A
    security
    A
    license
    A
    quality
    This MCP server aids users in searching and analyzing their photo library by location, labels, and people, offering functionalities like photo analysis and fuzzy matching for enhanced photo management.
    Last updated -
    14
    Python
    MIT License
    • Apple

  • PDF RAG MCP Server

    hyson666
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    security
    F
    license
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    quality
    A document knowledge base system that enables users to upload PDFs and query them semantically through a web interface or via the Model Context Protocol, allowing integration with AI tools like Cursor.
    Last updated -
    5
    Python
    • Linux
    • Apple

  • Volcengine Knowledge Base MCP

    suqidan
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    security
    A
    license
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    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