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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-graphql-schema

    hannesj
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    A MCP server that exposes GraphQL schema information to LLMs like Claude. This server allows an LLM to explore and understand large GraphQL schemas through a set of specialized tools, without needing to load the whole schema into the context
    Last updated -
    5
    41
    MIT License
    • Apple
    • Linux

  • mcp-openapi-schema

    hannesj
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    security
    F
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    quality
    A MCP server that exposes OpenAPI schema information to LLMs like Claude. This server allows an LLM to explore and understand large OpenAPI schemas through a set of specialized tools, without needing to load the whole schema into the context
    Last updated -
    62
    44
    • 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

  • 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

    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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    security
    F
    license
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    quality
    A Model Context Protocol server that provides a standardized interface for interacting with SQL databases through the MCP protocol.
    Last updated -
    3
    2

  • MCP Kafka Schema Reg

    aywengo
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    A comprehensive Message Control Protocol (MCP) server for Kafka Schema Registry.
    Last updated -
    82
    23
    Python
    MIT License
    • Apple
    • Linux

  • PostgreSQL Multi-Schema MCP Server

    HarjjotSinghh
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    A Model Context Protocol server that provides read-only access to PostgreSQL databases with enhanced multi-schema support, allowing LLMs to inspect database schemas across multiple namespaces and execute read-only queries while maintaining schema isolation.
    Last updated -
    9
    3
    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
    163
    2
    MIT License
    • Apple
    • Linux

  • OpenAPI Schema Explorer

    kadykov
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    security
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    license
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    MCP server providing token-efficient access to OpenAPI/Swagger specs via MCP Resources for client-side exploration.
    Last updated -
    30
    51
    MIT License

  • SQL MCP Server

    t3ta
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    security
    F
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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

  • 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

  • focus_mcp_sql

    FocusSearch
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    security
    A
    license
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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

  • Divide and Conquer MCP Server

    landicefu
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    Enables AI agents to break down complex tasks into manageable pieces using a structured JSON format with task tracking, context preservation, and progress monitoring capabilities.
    Last updated -
    15
    49
    6
    MIT License
    • Apple
    • Linux

  • Cloud SQL Admin MCP Server

    ag2-mcp-servers
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    security
    F
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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

  • GCP Billing and Monitoring MCP Server

    RadiumGu
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    security
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    Enables interaction with Google Cloud services including billing cost analysis, log querying, and metrics monitoring through natural language commands. Provides comprehensive tools for managing GCP resources, analyzing costs, detecting anomalies, and retrieving operational insights.
    Last updated -
    40
    Apache 2.0

  • Text-to-SQL MCP Server

    tmstack
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    F
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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

  • Account and Transaction MCP Server

    ag2-mcp-servers
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    security
    F
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    An MCP Server that provides a conversational interface to the UK Open Banking account information API, allowing agents to interact with bank account data through natural language commands.
    Last updated -

  • SQL Server Express MCP Server

    hanweg
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    Facilitates interaction with Microsoft SQL Server Express, supporting database operations such as querying, table management, and schema inspection via natural language MCP commands.
    Last updated -
    4
    MIT License

  • MCP SQL Server

    JubinSaniei
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    security
    F
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    A Model Context Protocol server that allows Large Language Models like Claude to execute SQL queries, explore database schemas, and maintain persistent connections to SQL Server databases.
    Last updated -

  • JSON Schema Validator MCP Server

    EienWolf
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    security
    F
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    A comprehensive server that enables validation of JSON data against JSON Schema Draft 2020-12, with support for external references, schema management, and real-time streaming validation.
    Last updated -
    • Apple
    • Linux

  • Paprika SQL MCP Server

    jonaheaton
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    security
    F
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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 -

  • SQL Server MCP

    cwilby
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    A Model Context Protocol server that enables AI assistants (Cursor, Windsurf, Claude Code) to interact with Microsoft SQL Server databases by providing connectivity through environment-configurable connections.
    Last updated -
    8
    6
    2
    MIT License

  • SQL Query MCP Server

    rajeevchandra
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    security
    F
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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

  • Microsoft SQL Server MCP Server

    RichardHan
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    A Model Context Protocol server that enables secure interaction with Microsoft SQL Server databases, allowing AI assistants to list tables, read data, and execute SQL queries through a controlled interface.
    Last updated -
    226
    MIT License
    • Linux
    • Apple

  • SQL Server MCP Service

    vini-cius
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    A secure Model Context Protocol service that enables executing SQL Server queries with built-in protection against SQL injection and destructive operations.
    Last updated -
    1
    1
    MIT License

  • MS SQL MCP Server

    akashCF
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    security
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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

  • Microsoft SQL Server MCP Server (MSSQL)

    dperussina
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    security
    A
    license
    A
    quality
    An easy-to-use bridge that lets AI assistants like Claude and Cursor IDE directly query and explore Microsoft SQL Server databases. No coding experience required!
    Last updated -
    33
    81
    62
    GPL 3.0
    • Apple

  • Bitrefill Search and Shopofficial

    bitrefill
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    This MCP wraps Bitrefill public API to allow agents to search for products and shop using cryptocurrencies like Bitcoin, Ethereum, Solana, and many more.
    Last updated -
    4
    27
    5
    MIT License
    • Apple