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UnJS ecosystem - agnostic JavaScript libraries, tools, and utilities. Use when working with UnJS packages like h3, nitro, ofetch, unstorage, or building universal JavaScript applications.
npx skill4agent add hairyf/skills unjsThe skill is based on UnJS website, generated at 2026-01-31.
| Topic | Description | Reference |
|---|---|---|
| H3 Framework | Minimal HTTP framework for high performance and portability | core-h3 |
| Nitro Server | Universal web server framework that runs anywhere | core-nitro |
| Listhen | Elegant HTTP listener for Node.js and edge environments | core-listhen |
| Topic | Description | Reference |
|---|---|---|
| Defu | Recursive default property assignment | core-defu |
| Destr | Fast and secure JSON.parse alternative | core-destr |
| Ohash | Fast hashing library based on murmurhash3 | core-ohash |
| Pathe | Cross-platform path utilities (Node.js path replacement) | core-pathe |
| UFO | URL utilities for parsing, formatting, and manipulation | core-ufo |
| Scule | String case conversion utilities (camelCase, kebab-case, etc.) | core-scule |
| Topic | Description | Reference |
|---|---|---|
| Unbuild | Unified JavaScript build system | core-unbuild |
| Mkdist | Generate distribution files from source | core-mkdist |
| Unplugin | Unified plugin system for Vite, Rollup, webpack, esbuild, and more | core-unplugin |
| Topic | Description | Reference |
|---|---|---|
| Unstorage | Async key-value storage API with multiple drivers | features-unstorage |
| Topic | Description | Reference |
|---|---|---|
| Unenv | Convert JavaScript code to be runtime agnostic | features-unenv |
| Std-env | Standard environment variables utilities | features-std-env |
| Topic | Description | Reference |
|---|---|---|
| Ofetch | Better fetch API for Node.js, browser, and workers | features-ofetch |
| Topic | Description | Reference |
|---|---|---|
| Radix3 | Lightweight and fast router based on Radix Tree | features-radix3 |
| Topic | Description | Reference |
|---|---|---|
| Citty | Elegant CLI builder with type-safe commands | features-citty |
| Giget | Download templates and git repositories | features-giget |
| Topic | Description | Reference |
|---|---|---|
| Hookable | Awaitable hooks system for plugins and extensions | features-hookable |
| Unctx | Composables pattern in vanilla JavaScript | features-unctx |
| Topic | Description | Reference |
|---|---|---|
| Uncrypto | Universal crypto API for Node.js, browser, and edge | features-uncrypto |
| Topic | Description | Reference |
|---|---|---|
| Mlly | ECMAScript module utilities for Node.js | features-mlly |
| Unimport | Auto-import APIs in modules | features-unimport |
| Topic | Description | Reference |
|---|---|---|
| Untyped | Generate types and markdown from config objects | features-untyped |
| Topic | Description | Reference |
|---|---|---|
| Consola | Elegant console wrapper with multiple reporters | features-consola |
| Topic | Description | Reference |
|---|---|---|
| Automd | Automated markdown maintainer | features-automd |
| Changelogen | Generate beautiful changelogs using conventional commits | features-changelogen |
| Mdbox | Simple markdown utilities | features-mdbox |
| Undocs | Minimal documentation theme and CLI for UnJS projects | features-undocs |
| Topic | Description | Reference |
|---|---|---|
| C12 | Smart configuration loader | features-c12 |
| Confbox | Compact and high quality YAML, TOML, JSONC and JSON5 parsers | features-confbox |
| Rc9 | Read/write config couldn't be easier | features-rc9 |
| Topic | Description | Reference |
|---|---|---|
| Httpxy | Full-featured HTTP and WebSocket proxy for Node.js | features-httpxy |
| Crossws | Cross-platform WebSocket servers for Node.js, Deno, Bun and Cloudflare Workers | features-crossws |
| Cookie-es | ESM cookie serializer and deserializer | features-cookie-es |
| Topic | Description | Reference |
|---|---|---|
| IPX | High performance, secure and easy to use image proxy based on Sharp and libvips | features-ipx |
| Image-meta | Detect image type and size using pure JavaScript | features-image-meta |
| Jimp-compact | Lightweight version of Jimp - image processing library | features-jimp-compact |
| Fontaine | Automatic font fallback based on font metrics | features-fontaine |
| Topic | Description | Reference |
|---|---|---|
| Magicast | Programmatically modify JavaScript and TypeScript source codes | features-magicast |
| Magic-regexp | A compiled-away, type-safe, readable RegExp alternative | features-magic-regexp |
| Knitwork-X | Utilities to generate safe JavaScript code (actively maintained fork) | features-knitwork |
| Jiti | Runtime TypeScript and ESM support for Node.js | features-jiti |
| Topic | Description | Reference |
|---|---|---|
| Db0 | Lightweight SQL connector | features-db0 |
| Mongoz | Zero config MongoDB server | features-mongoz |
| Topic | Description | Reference |
|---|---|---|
| Fs-memo | Easy persisted memo object for Node.js | features-fs-memo |
| Get-port-please | Get an available open port | features-get-port-please |
| Perfect-debounce | Debounce promise-returning and async functions | features-perfect-debounce |
| Serve-placeholder | Smart placeholder for missing assets | features-serve-placeholder |
| Theme-colors | Easily generate color shades for themes | features-theme-colors |
| Topic | Description | Reference |
|---|---|---|
| Nypm | Unified package manager for Node.js | features-nypm |
| Pkg-types | Node.js utilities and TypeScript definitions for package.json and tsconfig.json | features-pkg-types |
| Bundle-runner | Run webpack bundles in Node.js with optional VM sandboxing | features-bundle-runner |
| Topic | Description | Reference |
|---|---|---|
| Unhead | Universal document head tag manager | features-unhead |
| Ungh | Unlimited access to GitHub API | features-ungh |
| Unpdf | Utilities to work with PDFs in Node.js, browser and workers | features-unpdf |
| Unwasm | WebAssembly tools for JavaScript | features-unwasm |
| Uqr | Generate QR Code universally, in any runtime, to ANSI, Unicode or SVG | features-uqr |
| Untun | Tunnel your local HTTP(s) server to the world powered by Cloudflare Quick Tunnels | features-untun |
| Node-fetch-native | A better redistribution of node-fetch | features-node-fetch-native |
| Topic | Description | Reference |
|---|---|---|
| Webpackbar | Elegant progress bar and profiler for webpack 3, 4 and 5 | features-webpackbar |
| Nanotar | Tiny and fast Tar utils for any JavaScript runtime | features-nanotar |