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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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9,144 servers. Last updated -

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Matching MCP servers:

  • dbt Semantic Layer MCP Server

    TommyBez
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    A server that enables querying the dbt Semantic Layer through natural language conversations with Claude Desktop and other AI assistants, allowing users to discover metrics, create queries, analyze data, and visualize results.
    Last updated -
    11
    MIT License

  • AI SQL Assistant MCP Server

    narinzar
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    Handles SQL query execution for a natural language interface to SQLite databases, enabling users to interact with databases using plain English rather than writing SQL manually.
    Last updated -
    1
    MIT License

  • MCP SQL Server

    ryudg
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    A Model Context Protocol server that provides AI assistants with comprehensive access to SQL databases, enabling schema inspection, query execution, and database operations with enterprise-grade security.
    Last updated -
    6
    2
    MIT License

  • SQL MCP Server

    polarisxb
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    Enables read-only interaction with SQL databases through MCP, providing database metadata exploration, sample data retrieval, and secure query execution. Supports MySQL with multiple transport options and built-in security features including SQL injection protection and data sanitization.
    Last updated -
    13
    5
    MIT License
    • Apple
    • Linux

  • Warp SQL Server MCP

    egarcia74
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    Enables secure database operations on SQL Server instances through a three-tier safety system, supporting schema exploration, query execution, performance analysis, and data export with configurable security levels from read-only to full development access.
    Last updated -
    16
    327
    2
    MIT License
    • Apple
    • Linux

  • MCP Server for OpenSearch

    ibrooksSDX
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    Provides a semantic memory layer that integrates LLMs with OpenSearch, enabling storage and retrieval of memories within the OpenSearch engine.
    Last updated -
    4
    Apache 2.0

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  • MCP Alchemy

    runekaagaard
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    security
    A
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    quality
    Connects Claude Desktop directly to databases, allowing it to explore database structures, write SQL queries, analyze datasets, and create reports through an API layer with tools for table exploration and query execution.
    Last updated -
    299
    Mozilla Public License 2.0
    • Apple

  • Query MCP

    medieage
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    Enables IDE access to Supabase databases with SQL query execution, schema management, Auth admin operations, and built-in safety controls to prevent accidental destructive actions.
    Last updated -
    Apache 2.0

  • MCP SQL Server

    dennismartis
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    security
    F
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    A FastMCP server that provides natural language interaction with MS SQL databases, enabling users to query data, list tables, describe structures, and execute database operations through a conversational AI interface.
    Last updated -

  • SQL MCP Server

    adetxt
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    A Model Context Protocol server that provides a standardized interface for interacting with SQL databases through the MCP protocol.
    Last updated -
    3
    1

  • Cloud SQL Admin MCP Server

    ag2-mcp-servers
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    An MCP Server that enables interaction with Google Cloud SQL Admin API, allowing users to manage Cloud SQL database instances through natural language commands.
    Last updated -
    • Linux
    • Apple

  • SQL MCP Server for Claude Desktop

    meanands
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    security
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    A natural language interface that allows Claude to execute SQL queries on your local MySQL databases, enabling database interaction using natural language.
    Last updated -
    2
    • Linux
    • Apple

  • SQL Query MCP Server

    rajeevchandra
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    security
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    A FastMCP server that enables natural language querying of PostgreSQL databases through LLM integration, allowing users to generate SQL queries from plain English and visualize the results.
    Last updated -
    2

  • ExecuteAutomation Database Serverofficial

    executeautomation
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    A Model Context Protocol server that enables LLMs like Claude to interact with SQLite and SQL Server databases, allowing for schema inspection and SQL query execution.
    Last updated -
    463
    167
    MIT License
    • Linux
    • Apple

  • Semantic Pen MCP Server

    pushkarsingh32
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    security
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    quality
    The official MCP server for Semantic Pen - an advanced AI article generator and SEO content writer. Create, manage, and optimize SEO-friendly articles directly from Claude Code and Cursor Windsurf with powerful AI automation.
    Last updated -
    5
    1
    1

  • Text-to-SQL MCP Server

    tmstack
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    A secure database query service built on FastMCP framework that allows users to query MySQL databases using natural language, with comprehensive permission management and security controls.
    Last updated -
    2

  • Semantic Scholar MCP Server

    zongmin-yu
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    security
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    Semantic Scholar API, providing comprehensive access to academic paper data, author information, and citation networks.
    Last updated -
    61
    MIT License

  • Paprika SQL MCP Server

    jonaheaton
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    security
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    A Model Context Protocol desktop extension that allows Claude to query and interact with custom SQL databases in real-time during conversations.
    Last updated -

  • MCP Database Server

    JuanYin1
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    Provides Claude with direct access to databases including SQLite, SQL Server, PostgreSQL, and MySQL, enabling execution of SQL queries and table management through natural language.
    Last updated -
    463
    1
    MIT License
    • Apple
    • Linux

  • MCP SQL Agent

    sharansahu
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    An AI-powered SQLite assistant that converts natural language to SQL queries with full schema awareness, enabling users to interact with databases using conversational language.
    Last updated -
    5
    1
    MIT License
    • Apple
    • Linux

  • Natural Language MySQL Query System

    floatDreamWithSong
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    security
    F
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    A Model Context Protocol (MCP) server that converts natural language queries into SQL statements, allowing users to query MySQL databases using conversational language instead of writing SQL code.
    Last updated -
    3

  • Hugging Face Hub Semantic Search MCP

    davanstrien
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    An unofficial MCP server that provides semantic search capabilities for Hugging Face models and datasets, enabling Claude and other MCP-compatible clients to search, discover, and explore the Hugging Face ecosystem using natural language queries.
    Last updated -
    16
    MIT License
    • Apple

  • Database Tools for Claude AI

    elber-code
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    MCP server that allows Claude AI to interact directly with MySQL databases, enabling query execution and table information retrieval through natural language.
    Last updated -
    1
    0
    4

  • Semantic Scholar MCP Server

    alperenkocyigit
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    security
    F
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    A comprehensive Model Context Protocol server that provides AI assistants with direct access to Semantic Scholar's academic database, enabling advanced paper discovery, citation analysis, author research, and AI-powered recommendations.
    Last updated -
    4
    • Apple
    • Linux

  • Simple PostgreSQL MCP Server

    NetanelBollag
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    A template project for building custom MCP servers that enables direct access to PostgreSQL databases, allowing SQL query execution and schema information retrieval through the Model Context Protocol.
    Last updated -
    30
    MIT License
    • Apple
    • Linux

  • PostgreSQL Query MCP Server

    RathodDarshil
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    A secure Model Context Protocol server that allows Claude to execute read-only SQL queries against a PostgreSQL database, enabling natural language interaction with database data.
    Last updated -
    1
    • Apple

  • MCP Blockchain Query Server

    pavel-bc
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    A Model Context Protocol server providing tools for querying Bitcoin blockchain data via Blockchain Data and Query APIs, supporting various BTC information retrieval functions.
    Last updated -
    1
    • Linux
    • Apple

  • MS SQL MCP Server

    akashCF
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    A bridge that allows AI assistants like Claude to directly query and explore Microsoft SQL Server databases without requiring coding experience.
    Last updated -
    GPL 3.0

  • MCP Memory Server with Qdrant Persistence

    delorenj
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    security
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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 -
    2
    11
    • Linux
    • Apple