GitHub Skill

quicktype

Generate TypeScript types from JSON files using quicktype CLI. Use when user wants to create types/interfaces from JSON data, API responses, or config files.

htlin222☆ 75 Repository stars4 Repository forks

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Installation

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Skill instructions

Quicktype - JSON to Type Generator

Generate strongly-typed interfaces from JSON files or URLs.

When to Use

User asks to generate types from JSON
User wants TypeScript interfaces for API responses
User needs type definitions for config files
User mentions "quicktype" or "json to types"

Instructions

Parse the input to identify:
- File path or URL
- Target language (default: TypeScript)
- Output file (optional)
Run the quicktype script:

python3 ~/.claude/skills/quicktype/scripts/quicktype.py <file> [--lang LANG] [--out FILE]

Display the generated types in a fenced code block
If --out specified, save to that file

Supported Languages

Flag	Language
`ts`	TypeScript
`go`	Go structs
`py`	Python dataclass
`rs`	Rust structs
`swift`	Swift Codable
`kotlin`	Kotlin data class

Examples

Input: /quicktype api/users.json Output: TypeScript interfaces for the JSON structure

Input: /quicktype config.json --lang go Output: Go struct definitions

Input: /quicktype response.json --out src/types/api.ts Output: Types saved to specified file

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