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About api-and-interface-design
api-and-interface-design
Guides stable API and interface design
api-and-interface-design is an agent skill from Addy Osmani's agent-skills collection that guides the design of stable, well-documented interfaces that are hard to misuse. The skill's aim is that the right thing is easy and the wrong thing is hard. It covers REST APIs, GraphQL schemas, module boundaries, component props, and any surface where one piece of code talks to another. It applies when designing new endpoints, defining contracts between teams or modules, creating component prop interfaces, shaping a database schema that will inform the API, and changing an existing public interface. The skill's central principle is Hyrum's Law: with enough users of an API, every observable behavior will be depended on by somebody, whatever the contract promises. That means changes to observable behavior need the same care as changes to the contract itself. The skill is listed on skills.sh, with its security audit results shown on that page. It suits engineers and agents who design or change interfaces that other code depends on.
- Price
- Free
- Made by
- addyosmani
- Category
- AI Skills
- Website
- github.com/addyosmani/agent-skills/api-and-interface-design