The OpenAPI Schema MCP server exposes OpenAPI specification information to Large Language Models through a set of specialized tools. Developed by Hannes Junnila, it loads any OpenAPI schema file (JSON or YAML) and provides tools for exploring API paths, operations, parameters, schemas, and security definitions. The server converts complex OpenAPI structures into YAML format for better LLM comprehension and includes features like endpoint listing, schema searching, and example retrieval. It's particularly valuable for workflows requiring API exploration and understanding within AI assistant conversations, eliminating the need to manually parse OpenAPI documentation.
Lists all API paths and their HTTP methods with summaries in a nested object structure.
Gets detailed information about a specific endpoint including parameters and responses.
Gets the request body schema for a specific endpoint and method.
Gets the response schema for a specific endpoint, method, and status code.
Gets the parameters for a specific path.
Lists all schema components (schemas, responses, parameters, etc.).
Gets detailed definition for a specific component.
Lists all available security schemes.
Gets examples for a specific component or endpoint.
Searches across paths, operations, and schemas.
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