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Openapi MCP Server
The OpenAPI MCP Server is a model context protocol service for Claude/Cursor that supports searching and exploring OpenAPI specifications through oapis.org. It helps users obtain the identifiers of APIs, summaries described in simple language, and detailed information about endpoints through a three-step process. It is suitable for API exploration and code generation.
rating : 2 points
downloads : 6.3K
What is OpenAPI MCP Server?
OpenAPI MCP Server is an intelligent service that allows developers to explore and understand various OpenAPI specifications by interacting with AI assistants (such as Claude) in natural language. It can automatically identify the APIs you need, provide concise summaries, and explain in detail how specific endpoints work.How to use OpenAPI MCP Server?
Simply install this service in a supported AI client (such as Claude Desktop or Cursor), and then ask questions in natural language. The system will automatically complete three steps: API identification, summary acquisition, and endpoint query.Use cases
It is particularly useful when you need to quickly understand the functionality of an API or need detailed information about a specific endpoint. It is suitable for scenarios such as API integration development, learning new APIs, or generating API-related code.Main features
API overview acquisition
Automatically identify and obtain a concise summary of any OpenAPI specification
Endpoint detailed description
Provide a detailed explanation of how a specific API operation works
Multi-format support
Support OpenAPI specifications in both JSON and YAML formats
AI integration
Optimized for AI clients such as Claude and Cursor
Advantages
No need to manually consult lengthy API documentation
Obtain the required information through natural language interaction
Support a large number of popular API specifications
Provide explanations in simple and easy-to-understand language
Limitations
Currently does not support direct execution of API endpoints (only provides documentation)
Requires a supported AI client to use
Some very new APIs may not be included yet
How to use
Install the service
Install OpenAPI MCP Server via Smithery or npx
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Start the AI client
Open a supported AI client such as Claude Desktop or Cursor
Ask a question
Ask for information about the API you want to know in natural language
Usage examples
Understand the Stripe payment API
A developer needs to integrate Stripe payment functionality but is not sure where to start
GitHub repository management
Need to automate GitHub repository management but not sure how to call the API
Frequently asked questions
Is this service paid?
Which AI clients are supported?
How to request the addition of a new API?
Why can't I directly execute API calls?
Related resources
Demo video
A demonstration of the actual use of OpenAPI MCP Server
HN discussion
Related discussion on Hacker News
OpenAPISearch project
A related OpenAPI search project
OAPIS project
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