[hobofan]

It conceptually isn't that far from OpenAPI defintions, but MCP do make certain affordances for making consumptions by LLMs easier.

But it certainly also differs by how they are typically consumed. In what software do you just provide your consuming client just an OpenAPI schema URL to be retrieved at runtime? In my experience, none.

[UltraSane]

https://github.com/OpenAPITools/openapi-generator

You can also have an LLM generate a client from an OpenAPI spec