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rattail

Front-end utilities, HTTP client, validation, and release CLI

Provides 140+ typed utility functions for arrays, objects, strings, math, DOM, and files in front-end projects. Includes a progressive HTTP client, chainable validation rules, and a CLI for releases, changelogs, commit linting, and API code generation. Eliminates rewriting common helpers and manual release chores so developers ship Vite projects faster.
npx skills add varletjs/rattail --all -g -y

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Frequently Asked Questions

FAQPage Schema
How to install Rattail?โ–ผ

Run `npx skills add varletjs/rattail --all -g -y` in your terminal to install all skills in this suite globally.

What does Rattail do for front-end developers?โ–ผ

It bundles 140+ typed utility functions, an axios-based HTTP client, a validation rule factory, and a CLI for releases, changelogs, and API code generation in one package.

Can Rattail generate API code from OpenAPI schemas?โ–ผ

Yes. The `rt api` command reads an OpenAPI or Swagger schema and generates ready-to-use API modules configured in your vite.config.ts.

Does Rattail work with AI coding assistants?โ–ผ

Yes. It ships a SKILL.md file with per-function reference docs so coding assistants in Claude Code, Cursor, and similar tools can use every utility correctly.

Is Rattail tree-shakable and typed?โ–ผ

Yes. It is fully written in TypeScript, tree-shakable, and covered by over 90% unit tests, so you only bundle what you import.

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