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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:

  • 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

  • Wisdom Layer MCP

    PV-Bhat
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    A metacognitive advisor for Claude that provides strategic guidance, plan distillation, and mistake tracking to enhance Claude's reasoning capabilities.
    Last updated -
    1
    • Apple
    • Linux

  • query_table

    wukan1986
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    A web scraper for financial table data that implements the Model Context Protocol, allowing users to query stock data from multiple Chinese financial websites including THS, TDX, and EastMoney.
    Last updated -
    35
    MIT License
    • Linux
    • Apple

  • 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 -
    1
    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 -
    5
    5
    MIT License
    • Apple
    • Linux

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  • 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
    2

  • 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

  • SQL Query MCP Server

    rajeevchandra
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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

  • MCP SQL Server

    dennismartis
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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.
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  • 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

  • Semantic Prompt MCP

    hyunjae-labs
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    Enables Claude to solve complex problems systematically by breaking them down into 3-4 structured thinking steps. Features document caching and multiple profiles including specialized modes for SuperClaude and SuperGemini frameworks.
    Last updated -
    1
    847
    1

  • Semantic Pen MCP Server

    pushkarsingh32
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    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
    9
    2

  • JSON Query MCP

    mgraczyk
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    A Model Context Protocol server for querying large JSON files using JSONPath expressions, enabling LLMs to efficiently search and extract information from large JSON data.
    Last updated -
    3
    7

  • Database Query MCP

    NewToolAI
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    A versatile tool that enables querying and exporting data from multiple relational databases (MySQL, PostgreSQL, Oracle, SQLite, etc.) in read-only mode for data safety.
    Last updated -
    6
    Apache 2.0

  • Semantic Scholar MCP Server

    alperenkocyigit
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    security
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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

  • 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 -
    302
    34
    MIT License

  • 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
    93
    2
    MIT License
    • Apple
    • Linux

  • Dune Query MCP

    olaxbt
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    A bridge that connects Dune Analytics blockchain data to AI applications through Model Control Protocol, allowing LLMs to access on-chain data via natural language interactions.
    Last updated -
    8
    • Linux
    • 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

  • Obsidian Semantic MCP Server

    aaronsb
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    A server that consolidates 21+ Obsidian tools into 5 intelligent operations (vault, edit, view, workflow, system) with contextual workflow hints to help AI agents effectively interact with Obsidian.
    Last updated -
    5
    34
    17
    MIT License
    • Apple

  • SQL MCP Server

    t3ta
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    A TypeScript implementation of a Model Context Protocol server that enables language models to securely query PostgreSQL databases, including those behind SSH bastion tunnels.
    Last updated -
    3

  • Semantic Scholar MCP Server

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

  • 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

  • focus_mcp_sql

    FocusSearch
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    security
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    A NL2SQL plugin based on FocusSearch keyword parsing, offering greater accuracy, higher speed, and more reliability!
    Last updated -
    33
    Apache 2.0

  • 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 -
    17
    MIT License
    • Apple

  • Elasticsearch Semantic Search MCP Server

    jedrazb
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    A Python MCP server that enables semantic search through Search Labs blog posts indexed in Elasticsearch, allowing Claude to intelligently retrieve relevant information from the blog content.
    Last updated -
    3

  • MySQL Query MCP Server

    devakone
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    A Model Context Protocol server that provides read-only MySQL database queries for AI assistants, allowing them to execute queries, explore database structures, and investigate data directly from AI-powered tools.
    Last updated -
    3
    43
    8
    MIT License

  • Code Execution Server

    sjtu-sai-agents
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    Enables execution of code in a sandbox environment with integrated web search capabilities. Provides a basic framework for running code safely, primarily designed for AI agents and research applications.
    Last updated -
    8

  • 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

  • imessage-query-fastmcp-mcp-server

    hannesrudolph
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    An MCP server that provides safe access to your iMessage database through MCP, enabling LLMs to query and analyze iMessage conversations with proper phone number validation and attachment handling
    Last updated -
    68
    • Apple

  • 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