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Packages / skill

Skills bundle a SKILL.md and its supporting files into a capability agents load on demand. Search by key, namespace, or tag.

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01skill

frontend-designos/frontend-design

Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include websites, landing pages, dashboards, React components, HTML/CSS layouts, or when styling/beautifying any web UI). Generates creative, polished code and UI design that avoids generic AI aesthetics.

02skill

mcp-builderos/mcp-builder

Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).

03skill

doc-coauthoringos/doc-coauthoring

Guide users through a structured workflow for co-authoring documentation. Use when user wants to write documentation, proposals, technical specs, decision docs, or similar structured content. This workflow helps users efficiently transfer context, refine content through iteration, and verify the doc works for readers. Trigger when user mentions writing docs, creating proposals, drafting specs, or similar documentation tasks.

04skill

webapp-testingos/webapp-testing

Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.

05skill

guardgstack/guard

Full safety mode: destructive command warnings + directory-scoped edits. (gstack)

06skill

skillifygstack/skillify

Codify the most recent successful /scrape flow into a permanent browser-skill on disk. (gstack)

07skill

hackernews-frontpagegstack/hackernews-frontpage

Scrape the Hacker News front page (titles, points, comment counts).

08skill

vitestantfu/vitest

Vitest fast unit testing framework powered by Vite with Jest-compatible API. Use when writing tests, mocking, configuring coverage, or working with test filtering and fixtures.

09skill

design-consultationgstack/design-consultation

Design consultation: understands your product, researches the landscape, proposes a complete design system (aesthetic, typography, color, layout, spacing, motion), and generates font+color preview... (gstack)

10skill

setup-deploygstack/setup-deploy

Configure deployment settings for /land-and-deploy.

11skill

test-driven-developmentsuperpowers/test-driven-development

Use when implementing any feature or bugfix, before writing implementation code

12skill

brand-guidelinesos/brand-guidelines

Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel. Use it when brand colors or style guidelines, visual formatting, or company design standards apply.

13skill

benchmarkgstack/benchmark

Performance regression detection using the browse daemon. (gstack)

14skill

ios-fixgstack/ios-fix

Autonomous iOS bug fixer. (gstack)

15skill

freezegstack/freeze

Restrict file edits to a specific directory for the session. (gstack)

16skill

design-shotgungstack/design-shotgun

Design shotgun: generate multiple AI design variants, open a comparison board, collect structured feedback, and iterate. (gstack)

17skill

pair-agentgstack/pair-agent

Pair a remote AI agent with your browser. (gstack)

18skill

writing-skillssuperpowers/writing-skills

Use when creating new skills, editing existing skills, or verifying skills work before deployment

19skill

vue-best-practicesantfu/vue-best-practices

MUST be used for Vue.js tasks. Recommends Composition API with <script setup> and TypeScript as the standard approach. Covers Vue 3, SSR, Volar, vue-tsc. Load for any Vue, .vue files, Vue Router, Pinia, or Vite with Vue work.

20skill

document-generategstack/document-generate

Generate missing documentation from scratch for a feature, module, or entire project. (gstack)

21skill

retrogstack/retro

Weekly engineering retrospective. (gstack)

22skill

turborepoantfu/turborepo

Turborepo monorepo build system guidance — task pipelines, dependsOn, caching, remote cache, --filter/--affected, internal packages, and boundaries. Use when configuring tasks, creating packages, sharing code between apps, or debugging cache.

23skill

qa-onlygstack/qa-only

Report-only QA testing. (gstack)

24skill

scrapegstack/scrape

Pull data from a web page. (gstack)

25skill

autoplangstack/autoplan

Auto-review pipeline — reads the full CEO, design, eng, and DX review skills from disk and runs them sequentially with auto-decisions using 6 decision principles. (gstack)

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