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2025-03-30

GraphQL MCP server for AI assistants

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GraphQL MCP Tools

A Model Context Protocol (MCP) server implementation that provides GraphQL API interaction capabilities. This server enables AI assistants to interact with GraphQL APIs through a set of standardized tools.

Components

Tools

  • graphql_query

    • Execute GraphQL queries against any endpoint
    • Input:
      • query (string): The GraphQL query to execute
      • variables (object, optional): Variables for the query
      • endpoint (string, optional): GraphQL endpoint URL
      • headers (object, optional): HTTP headers for the request
      • timeout (number, optional): Request timeout in milliseconds
      • allowMutations (boolean, optional): Whether to allow mutation operations
  • graphql_introspect

    • Retrieve and explore GraphQL schema information
    • Input:
      • endpoint (string, optional): GraphQL endpoint URL
      • headers (object, optional): HTTP headers for the request
      • includeDeprecated (boolean, optional): Whether to include deprecated types/fields

Usage with Claude Desktop

NPX

{
  "mcpServers": {
    "graphql": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-graphql-tools",
        "--endpoint=https://api.github.com/graphql",
        "--headers={\"Authorization\":\"Bearer YOUR_GITHUB_TOKEN\"}",
        "--timeout=30000",
        "--maxComplexity=100"
      ]
    }
  }
}

Configuration Options

The server accepts the following command-line arguments:

  • --endpoint (-e): Default GraphQL endpoint URL (default: http://localhost:4000/graphql)
  • --headers (-H): Default headers for all requests as JSON string
  • --timeout (-t): Default request timeout in milliseconds (default: 30000)
  • --maxComplexity (-m): Maximum allowed query complexity (default: 100)

License

This MCP server is licensed under the MIT License. This means you are free to use, modify, and distribute the software, subject to the terms and conditions of the MIT License. For more details, please see the LICENSE file in the project repository.

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    Reviews

    3 (1)
    Avatar
    user_WDVDXi5C
    2025-04-16

    mcp-graphql-tools by saewoohan is an exceptional library that immensely simplifies GraphQL API development. This tool is incredibly functional and intuitive, making it easy to integrate into existing projects. The comprehensive documentation on GitHub (https://github.com/saewoohan/mcp-graphql-tools) offers a smooth start and extensive support. An excellent resource for developers, MCP’s efficient design and robust features are truly commendable.