Claude Code api-contract-design for TypeScript contracts

Describe domain types, endpoints, component props, and service signatures as structured JSON.

Install in Claude Code

Give Claude Code domain objects, permitted operations, relationships, and constraints. Review the draft contract against the actual scope.

Review `.claude/skills/api-contract-design/SKILL.md` and its requirements at the pinned GitHub commit.
Create `.claude/skills/api-contract-design/` in your project and save the reviewed file as `.claude/skills/api-contract-design/SKILL.md`.
Start Claude Code from that project's root, then select `/api-contract-design` in the slash menu.

Example task

Fixture contract-19 defines {entity: 'Workshop', titleType: 'string', idType: 'string'}. The first step is contract review only.

What to check

Propose {type: 'Workshop', title: 'string', id: 'string'}. Include timestamps and resource CRUD requests and responses for review, with specific types.

Original SKILL.md on GitHub · Updated 2026-11-14

Frequently asked question

Can all business fields be inferred from a type name?

Verify fields and relationships from the confirmed requirements. Treat unsupported business constraints as questions for review.