Claude Code OpenAPI to TypeScript Skill for Optional and Nullable Fields
Translate an OpenAPI 3.0 schema into TypeScript while preserving references, required keys and explicit null values.
中文Install in Claude Code
Bring the OpenAPI 3.0 YAML or JSON and the TypeScript project's existing compile and validation checks.
- Get the complete `cli-tool/components/skills/development/openapi-to-typescript` directory from the pinned GitHub checkout.
- Copy it under the target project's `.claude/skills/`. Confirm `.claude/skills/openapi-to-typescript/SKILL.md`, open Claude Code at the project root, and call `/openapi-to-typescript`.
Example task
Convert a book schema with required string `title` and optional nullable `subtitle`. Test an omitted subtitle, a null subtitle and an omitted title.What to check
The first two cases are accepted and the missing title is rejected. The generated types and runtime rules match the source schema.
Original SKILL.md on GitHub · Updated
Frequently asked question
How does optional differ from nullable?
An optional key may be absent. A nullable key accepts null when present. A schema can allow both.