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openapi-to-typescript

Convert OpenAPI 3.0 JSON or YAML specifications into TypeScript interfaces and runtime type guards.

Updated Jul 24, 2026
Search Tags:#type safety#typescript#api#openapi#code generation#schema
One-click install
npx skills add https://github.com/imMamdouhaboammar/kaku-chatgpt-harness --skill openapi-to-typescript-immamdouhaboammar
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: openapi-to-typescript
Source: https://github.com/imMamdouhaboammar/kaku-chatgpt-harness/tree/main/.agents/skills/openapi-to-typescript
Command: npx skills add https://github.com/imMamdouhaboammar/kaku-chatgpt-harness --skill openapi-to-typescript-immamdouhaboammar

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill eliminates the manual, error-prone process of writing TypeScript interfaces and runtime validation logic by automatically generating them from OpenAPI 3.0 specifications.

Core Features & Use Cases

  • Automated Type Generation: Creates TypeScript interfaces and type guards directly from JSON or YAML OpenAPI files.
  • Runtime Validation: Generates type guard functions to ensure API responses match the expected schema at runtime.
  • Use Case: When your backend team updates the API specification, use this skill to instantly synchronize your frontend TypeScript types and validation logic, ensuring full type safety across your application.

Quick Start

Ask the assistant to generate TypeScript types from your OpenAPI specification file located at the provided path.

Frequently Asked Questions about openapi-to-typescript

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I generate TypeScript interfaces from an OpenAPI specification?▼

To generate TypeScript interfaces from an OpenAPI specification, you parse the 3.0 JSON or YAML file to automatically extract schema definitions and create matching frontend types.

Can I automatically create runtime type guards from an OpenAPI schema?▼

Yes, you can automatically create runtime type guards from an OpenAPI schema to validate API responses against expected structures dynamically during execution.

What is the best way to synchronize frontend TypeScript types with API contracts?▼

The best way to synchronize frontend TypeScript types with API contracts is by automatically parsing OpenAPI specifications to generate matching interfaces and validation logic.

Does OpenAPI to TypeScript code generation preserve JSDoc documentation?▼

OpenAPI to TypeScript code generation preserves JSDoc documentation by extracting annotations from the schema specification and mapping them directly into the generated TypeScript interfaces.

How do I validate API responses at runtime using TypeScript type guards?▼

To validate API responses at runtime using TypeScript type guards, generate validation functions from your OpenAPI spec that check incoming data against expected TypeScript interfaces.

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