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Yeah, the modern JSON centered API landscape came about as a response to failures of CORBA and SOAP. It didn’t forget the lessons of CORBA, it rejected them.

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And then rediscovered why we need schemas in CORBA and SOAP, or orchestration engines.

It didn't, though. JSON schema is basically dead in the water.

Doesn't MCP use json schema? And zod? And a myriad of other things? Hardly seems dead.

Just because they discovered it doesn’t mean they fixed it.

Yet I keep seeing it across several repos.

And now we're getting a swing back to sanity. OpenAPI is an attempt to formally describe the Wild West of JSON-based HTTP interfaces.

And its complexity and size now are rivaling the specs of the good old XML-infused times.

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