Writing a contract a gateway can enforce
A complete OpenAPI: operations, errors, pagination, security schemes, and what the gateway will do with it on its own.
Resources
The guide says what a platform has to deliver. The tutorials will say how it is done, step by step, on cases we come across on assignment.
The first ones are being written. They will be short, independent of any vendor, and each will leave something done behind rather than one more thing read. Here are the four that will open the series.
A complete OpenAPI: operations, errors, pagination, security schemes, and what the gateway will do with it on its own.
Announce, measure who still calls, set the deprecation headers, cut. In that order and with no surprises.
Moving a platform configured by hand to a versioned pipeline, without stopping traffic during the switchover.
From the REST contract to the MCP server: what gets generated, what gets decided, and what must never be exposed.