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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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9,443 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

  • mcp-structured-memory

    nmeierpolys
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    Make it easy for agents to build their context about your projects over time The server provides a set of tools to help agents accumulate knowledge about a project over time in a structured way.
    Last updated -
    10
    287
    1
    MIT License
    • Apple
    • Linux

  • Structured Workflow MCP

    kingdomseed
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    Enforces disciplined programming practices by requiring AI assistants to audit their work and produce verified outputs at each phase of development, following structured workflows for refactoring, feature development, and testing.
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    20
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  • language-server-mcp

    alexwohletz
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    TypeScript-based MCP server designed to enhance code editing experiences by providing features such as hover information, code completion, and diagnostics.
    Last updated -
    3
    25
    MIT License
    • Apple

  • MCP Language Server

    isaacphi
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    Runs a language server and provides tools for communicating with it. Language servers excel at tasks that LLMs often struggle with, such as precisely understanding types, understanding relationships, and providing accurate symbol references.
    Last updated -
    1,096
    BSD 3-Clause
    • Apple
    • Linux

  • Natural Language MySQL Query System

    floatDreamWithSong
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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

  • 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

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  • mcp-structured-thinking

    Promptly-Technologies-LLC
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    A TypeScript Model Context Protocol (MCP) server to allow LLMs to programmatically construct mind maps to explore an idea space, with enforced "metacognitive" self-reflection.
    Last updated -
    5
    48
    23
    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

  • 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

  • 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.
    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
    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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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
    163
    2
    MIT License
    • Apple
    • Linux

  • focus_mcp_sql

    FocusSearch
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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

  • InfluxDB Natural Language Query MCP Server

    dohoon84
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    Enables users to generate and execute InfluxDB queries using natural language commands in Korean. Supports querying metrics like CPU usage, memory status, and system monitoring data through conversational interface.
    Last updated -

  • 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

  • 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

  • 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 -
    6

  • 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

  • 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

  • usensedata-mcp-server-query-china-companyofficial

    usensedata
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    Usense Data API now supports the MCP protocol, enabling easy enterprise data access via LLMs through the MCP-compatible usensedata-mcp-server-query-china-company.
    Last updated -
    9
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    • Apple
    • Linux

  • 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 -