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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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7,927 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

  • JSON MCP Server

    kehvinbehvin
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    Provides JSON schema generation and filtering tools for LLMs, helping with large JSON files by converting them to TypeScript definitions and extracting specific fields to reduce context size.
    Last updated -
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    188
    7
    JavaScript
    MIT License

  • JSON Filter MCP

    kehvinbehvin
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    Query only the data you need from your JSON file and keep your context clean
    Last updated -
    2
    7
    JavaScript
    MIT License

  • 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 -
    Python
    • Apple
    • Linux

  • MCP Kafka Schema Reg

    aywengo
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    A comprehensive Message Control Protocol (MCP) server for Kafka Schema Registry.
    Last updated -
    62
    18
    Python
    MIT License
    • Apple
    • Linux

  • 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
    5
    TypeScript

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  • MCP JSON Document Collection Server

    jimpick
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    A Model Context Protocol server that allows creation and management of multiple Fireproof JSON databases with CRUD operations, querying capabilities, and cloud synchronization for sharing databases with others.
    Last updated -
    9
    1
    JavaScript
    • Apple

  • JSON MCP Server

    GongRzhe
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    A Model Context Protocol server implementation that enables LLMs to query and manipulate JSON data using JSONPath syntax with extended operations for filtering, sorting, transforming, and aggregating data.
    Last updated -
    2
    739
    67
    JavaScript
    MIT License
    • Apple
    • Linux

  • JSON MCP Server

    berrydev-ai
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    Provides powerful JSON manipulation tools through Model Context Protocol, enabling complex queries, schema generation, and validation with jq notation and native Node.js operations.
    Last updated -
    147
    JavaScript
    • Apple
    • Linux

  • mcp4gql

    jorgeraad
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    GraphQL MCP Server that acts as a bridge allowing MCP clients (like Cursor or Claude Desktop) to interact with target GraphQL APIs through standard tools for schema introspection and operation execution.
    Last updated -
    2
    3
    3
    TypeScript
    MIT License

  • Excel to JSON MCP by WTSolutions

    he-yang
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    The Excel to JSON MCP provides a standardized interface for converting Excel and CSV data into JSON format using the Model Context Protocol.
    Last updated -
    1

  • JSON Resume MCP Serverofficial

    jsonresume
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    A server that enhances AI assistants with the ability to update your JSON Resume by analyzing your coding projects, automatically extracting skills and generating professional descriptions.
    Last updated -
    3
    680
    56
    TypeScript
    The Unlicense
    • Apple
    • Linux

  • JSON Skeleton MCP Server

    jskorlol
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    Creates compact skeleton representations of large JSON files by preserving structure while truncating string values and deduplicating arrays, helping users understand JSON structure without processing the full data payload.
    Last updated -
    2
    Python

  • 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 -
    21
    3
    JavaScript
    MIT License

  • 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 -
    6
    39
    JavaScript
    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 -
    47
    37
    JavaScript
    • Apple
    • Linux

  • Custom Context MCP Server

    omer-ayhan
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    A Model Context Protocol server that transforms text into structured JSON data using templates with placeholders.
    Last updated -
    2
    1
    TypeScript
    MIT License

  • openrpc-mpc-server

    shanejonas
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    A Model Context Protocol (MCP) server that provides JSON-RPC functionality through OpenRPC.
    Last updated -
    2
    8
    36
    JavaScript
    Apache 2.0
    • Apple

  • Supabase MCP Server

    NightTrek
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    Enables querying Supabase databases and generating TypeScript types through the Model Context Protocol interface, supporting features like schema selection, column filtering, and pagination.
    Last updated -
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    13
    JavaScript
    • Apple
    • Linux

  • TheGraph MCP Server

    kukapay
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    Powers AI agents with indexed blockchain data from The Graph, enabling them to fetch subgraph schemas and execute GraphQL queries against blockchain data.
    Last updated -
    2
    5
    Python
    MIT License

  • MCP Vertica

    nolleh
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    A Model-Context-Protocol server that provides SQL query execution and database management capabilities for Vertica databases, featuring connection pooling, schema management, and security controls.
    Last updated -
    6
    Python
    MIT License
    • 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
    Python
    MIT License
    • Apple
    • Linux

  • Fetch MCP Server

    zcaceres
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    Provides functionality to fetch web content in various formats, including HTML, JSON, plain text, and Markdown.
    Last updated -
    4
    117,118
    532
    TypeScript
    MIT License

  • Fetch MCP Server

    tokenizin
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    Provides functionality to fetch web content in various formats, including HTML, JSON, plain text, and Markdown.
    Last updated -
    4
    117,118
    2

  • AITable MCP Serverofficial

    apitable
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    AITable.ai Model Context Protocol Server enables AI agents to connect and work with AITable datasheets.
    Last updated -
    6
    3
    3
    TypeScript
    MIT License
    • Linux
    • Apple

  • MCP NPX Fetch

    tokenizin-agency
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    A powerful MCP server for fetching and transforming web content into various formats (HTML, JSON, Markdown, Plain Text) with ease.
    Last updated -
    4
    1,893
    34
    TypeScript
    MIT License
    • Apple
    • Linux

  • pocketbase-mcp-server

    DynamicEndpoints
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    A comprehensive MCP server that provides sophisticated tools for interacting with PocketBase databases. This server enables advanced database operations, schema management, and data manipulation through the Model Context Protocol (MCP).
    Last updated -
    13
    68
    47
    JavaScript
    MIT License

  • Fetch MCP Server

    goswamig
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    Provides functionality to fetch web content in various formats, including HTML, JSON, plain text, and Markdown with support for custom headers.
    Last updated -
    4
    117,118
    3
    TypeScript

  • PostgreSQL MCP Server

    HenkDz
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    A Model Context Protocol server that enables powerful PostgreSQL database management capabilities including analysis, schema management, data migration, and monitoring through natural language interactions.
    Last updated -
    18
    457
    98
    TypeScript
    AGPL 3.0
    • Linux
    • Apple

  • URL Fetch MCP

    aelaguiz
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    A Model Context Protocol (MCP) server that enables Claude or other LLMs to fetch content from URLs, supporting HTML, JSON, text, and images with configurable request parameters.
    Last updated -
    3
    1
    Python
    MIT License