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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:

  • 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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    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

  • OpenAPI Schema Explorer

    kadykov
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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

  • 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

  • Database MCP Server

    EmilyThaHuman
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    Enables AI assistants to interact with PostgreSQL and Supabase databases through natural language. Supports secure database operations including queries, migrations, and schema management with user-provided credentials.
    Last updated -
    15

  • 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

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  • Database MCP

    swoiow
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    F
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    Enables interaction with MySQL and PostgreSQL databases through separate pluggable MCP servers with shared core functionality. Features optional TTL caching, bilingual prompts, and a unified gateway for managing multiple database connections.
    Last updated -

  • 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 -
    417
    185
    MIT License
    • Linux
    • Apple

  • 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 -
    417
    1
    MIT License
    • Apple
    • Linux

  • Database MCP Server

    georgi-terziyski
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    A Model Context Protocol server that provides tools for connecting to and interacting with various database systems (SQLite, PostgreSQL, MySQL/MariaDB, SQL Server) through a unified interface.
    Last updated -
    3

  • MCP Database Server

    shailesh5050
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    This server enables Claude to directly interact with SQLite, SQL Server, PostgreSQL, and MySQL databases through the Model Context Protocol, allowing for query execution, table management, and data export capabilities.
    Last updated -
    MIT License
    • Apple
    • Linux

  • MCP Database Server

    manpreet2000
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    A Model Context Protocol server that enables LLMs to interact with databases (currently MongoDB) through natural language, supporting operations like querying, inserting, deleting documents, and running aggregation pipelines.
    Last updated -
    MIT License
    • Apple

  • MCP Database Server

    an8888allen-maker
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    Enables Claude to connect to and interact with SQLite, SQL Server, PostgreSQL, and MySQL databases through natural language. Supports executing queries, managing tables, exporting data, and storing business insights with authentication options including AWS IAM.
    Last updated -
    417
    MIT License

  • MCP JSON Database Server

    yusuferenkt
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    A JSON-based database MCP server with JWT authentication that enables user management, project tracking, department analysis, meeting management, and equipment tracking. Integrates with Claude Desktop to provide secure CRUD operations and analytics through natural language commands.
    Last updated -
    21
    • Apple
    • Linux

  • Database Updater MCP Server

    AnuragRai017
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    A Claude integration that enables updating various database types (PostgreSQL, MySQL, MongoDB, SQLite) from CSV and Excel files through natural language commands.
    Last updated -
    2
    1
    Apache 2.0
    • Apple

  • Consumer Complaint Database MCP

    IngeniousIdiocy
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    A local MCP server that enables users to query the CFPB Consumer Complaint Database through natural language, retrieving financial consumer complaint records via the CFPB API.
    Last updated -
    2
    MIT License

  • Custom MCP Database Server

    renanlido
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    A Middleware/Control Plane server that allows AI code agents to securely execute queries against various databases (PostgreSQL, MySQL, MongoDB, Oracle) without directly exposing credentials.
    Last updated -
    2

  • 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
    1
    4

  • 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 -

  • SP Database MCP Server

    JJVvV
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    A Model Context Protocol server that provides real-time database schema information to AI assistants, supporting both low-code system schema queries and traditional database metadata queries.
    Last updated -
    4
    MIT License

  • System Information MCP Server

    dknell
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    Provides real-time system metrics and information through a Model Context Protocol interface, enabling access to CPU usage, memory statistics, disk information, network status, and running processes.
    Last updated -
    7
    2
    • Apple
    • Linux

  • JSON Schema Validator MCP Server

    EienWolf
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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

  • System Information MCP Server

    batteryshark
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    Provides comprehensive system diagnostics and hardware analysis through 10 specialized tools for troubleshooting and environment monitoring. Offers targeted information gathering for CPU, memory, network, storage, processes, and security analysis across Windows, macOS, and Linux platforms.
    Last updated -
    10
    MIT License
    • Apple
    • Linux

  • JR East Delay Information MCP Server

    tinjyuu
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    An MCP server that provides real-time delay information for JR East train lines, accessible via MCP clients like Claude Desktop through the 'getDelays' tool.
    Last updated -
    4
    MIT License

  • MySQL Database Access

    dpflucas
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    An MCP server that provides read-only access to MySQL databases.
    Last updated -
    4
    279
    43
    MIT License
    • Linux
    • Apple

  • database-mcp

    TheRaLabs
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    A server that helps people access and query data in databases using the Query Runner with integration of the Model Context Protocol (MCP) Python SDK. Support databases including PostgreSQL Redshift MySQL Microsoft SQL Server Google APIs Amazon Web Services (via boto3) CockroachDB SQLite
    Last updated -
    68
    GPL 3.0
    • Linux
    • Apple

  • Gel Database MCP Server

    christian561
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    A TypeScript-based MCP server that enables LLM agents to interact with Gel databases through natural language, providing tools to learn database schemas, validate and execute EdgeQL queries.
    Last updated -
    2
    0
    11

  • Multi Database MCP Server

    FreePeak
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    The Multi DB MCP Server is a high-performance implementation of the Database Model Context Protocol designed to revolutionize how AI agents interact with databases. Currently supporting MySQL and PostgreSQL databases.
    Last updated -
    287
    MIT License
    • Linux
    • Apple

  • MCP Database Server

    anit05
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    This server provides database access capabilities to Claude, supporting SQLite, SQL Server, PostgreSQL, and MySQL databases.
    Last updated -
    417
    MIT License
    • Apple
    • Linux