openapi-mcp-server is an open source tool maintained by janwilmake and developed based on the Model Context Protocol (MCP) protocol. Its core purpose is to convert OpenAPI v3.1 compliant APIs into AI-available resources , acting as an API proxy .
Key features include:
- Converting OpenAPI-specified endpoints into a format usable by AI tools such as Claude
- Support for conversion to multiple target formats (OpenAI, Anthropic or MCP tool formats)
- Provides command line interface and programmatic call methods
- Built-in sample API (Petstore) to help get started quickly
- Completely open source and free to modify and expand
This tool is particularly well suited for developers quickly integrating APIs into AI workflows, or AI engineers needing to convert API resources into a format that AI can use directly.
This answer comes from the articleopenapi-mcp-server: letting AI directly invoke MCP services with open APIsThe
May not be reproduced without permission:AI productivity tools " What is openapi-mcp-server and what are its main functions?
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