userscripts

Build complex generic types, utility types, and type-level functions. Specializes in advanced TypeScript type system programming with generics, conditional types, mapped types, and template literals. Use for type system challenges and creating reusable type utilities.

Generate Claude Code modular rules in .claude/rules/ that are short, succinct, and optimized for LLM coding agents with path-specific scoping support

Generate comprehensive, type-safe tests for TypeScript code. Detects test framework (Jest, Vitest, Playwright, Cypress) and creates appropriate unit, integration, or E2E tests with proper typing, mocking, and coverage. Use when writing tests, increasing coverage, or testing new features.

Automatically infer and generate TypeScript types from runtime data, API responses, JSON samples, or existing JavaScript code. Use when encountering untyped data, API responses, or when converting JavaScript to TypeScript.