vitest
Writes and runs tests, configures test environments, mocks dependencies, and generates coverage reports. Use when setting up vitest.config.ts, writing test suites, mocking modules, or measuring code coverage.
typescript
Configures TypeScript projects, defines types and interfaces, writes generics, and implements type guards. Use when setting up tsconfig.json, creating type definitions, or ensuring type safety in JS/TS codebases.
jscpd
Finds duplicate code blocks and analyzes duplication metrics across files. Use when identifying copy-pasted code, measuring technical debt, or preparing for refactoring.
jujutsu
Manages version control with Jujutsu (jj), including rebasing, conflict resolution, and Git interop. Use when tracking changes, navigating history, squashing/splitting commits, or pushing to Git remotes.
knip
Finds unused dependencies, files, and exports in JS/TS projects. Use when cleaning up dead code, removing stale packages from package.json, or identifying unreferenced exports.
nh
Switches NixOS/Home Manager configurations, cleans old generations, and performs system maintenance. Use when running os/home switch, pruning the Nix store, or managing system generations.
nix-flakes
Creates reproducible builds, manages flake inputs, defines devShells, and builds packages with flake.nix. Use when initializing Nix projects, locking dependencies, or running nix build/develop commands.
nix
Runs packages temporarily, creates isolated shell environments, and evaluates Nix expressions. Use when executing tools without installing, debugging derivations, or working with nixpkgs.
nu-shell
Processes structured data through pipelines, filters tables, transforms JSON/CSV/YAML, and defines custom commands. Use when scripting with typed parameters or working with tabular data.
retype
Refactors TypeScript codebases with AST-aware rename, extract, and reference finding. Use for moving functions between files, renaming across codebase, or finding all usages of a symbol.
skill-authoring
Writes effective pi skills with proper structure, concise content, and progressive disclosure. Use when creating new skills, improving existing skills, or reviewing skill quality.
tmux
Manages background processes, captures command output, and handles session multiplexing. Use when running long-running commands, capturing output from detached processes, or managing concurrent tasks in headless environments.
transcribe-audio
Transcribes audio files to text using whisper-cpp (local, offline). Use when converting speech to text, transcribing podcasts, lectures, meetings, or any audio content.
uv
Initializes Python projects, manages dependencies, pins Python versions, and runs scripts with uv. Use when adding/removing packages, syncing environments, running tools with uvx, or building distributions.
vhs
Creates terminal screenshots and GIFs using VHS tape files. Use when automating terminal recordings, capturing TUI screenshots, or generating demo GIFs.
conventional-commits
Writes and reviews Conventional Commits commit messages (v1.0.0) to support semantic versioning and automated changelogs. Use when drafting git commit messages, PR titles, release notes, or when enforcing a conventional commit format (type(scope): subject, BREAKING CHANGE, footers, revert).
gtkx
Build GTK4 desktop applications with GTKX React framework. Use when creating React components that render as native GTK widgets, working with GTK4/Libadwaita UI, handling signals, virtual lists, menus, or building Linux desktop UIs.
jj-hunk
Programmatic hunk selection for jj (Jujutsu). Use when splitting commits, making partial commits, or selectively squashing changes without interactive UI.
pennant-development
Use when working with Laravel Pennant the official Laravel feature flag package. Trigger whenever the query mentions Pennant by name or involves feature flags or feature toggles in a Laravel project. Tasks include defining feature flags checking whether features are active creating class based features in `app/Features` using Blade `@feature` directives scoping flags to users or teams building custom Pennant storage drivers protecting routes with feature flags testing feature flags with Pest or PHPUnit and implementing A B testing or gradual rollouts with feature flags. Do not trigger for generic Laravel configuration authorization policies authentication or non Pennant feature management systems.
laravel-best-practices
Apply this skill whenever writing, reviewing, or refactoring Laravel PHP code. This includes creating or modifying controllers, models, migrations, form requests, policies, jobs, scheduled commands, service classes, and Eloquent queries. Triggers for N+1 and query performance issues, caching strategies, authorization and security patterns, validation, error handling, queue and job configuration, route definitions, and architectural decisions. Also use for Laravel code reviews and refactoring existing Laravel code to follow best practices. Covers any task involving Laravel backend PHP code patterns.
tailwindcss-development
Always invoke when the user's message includes 'tailwind' in any form. Also invoke for: building responsive grid layouts (multi-column card grids, product grids), flex/grid page structures (dashboards with sidebars, fixed topbars, mobile-toggle navs), styling UI components (cards, tables, navbars, pricing sections, forms, inputs, badges), adding dark mode variants, fixing spacing or typography, and Tailwind v3/v4 work. The core use case: writing or fixing Tailwind utility classes in HTML templates (Blade, JSX, Vue). Skip for backend PHP logic, database queries, API routes, JavaScript with no HTML/CSS component, CSS file audits, build tool configuration, and vanilla CSS.
test-skill
Test skill
livewire-development
Vendor-overridden Livewire skill
xiaohongshu-cover-generator
Generate Xiaohongshu (小红书) style cover images based on user topics. Use when the user wants to create a social media cover image in Xiaohongshu style, or mentions keywords like "小红书封面", "Xiaohongshu cover", "封面生成", or provides a topic for cover image generation. The generated image will be saved to the current project directory.
cc_chrome_devtools_mcp_skill
Comprehensive Chrome DevTools automation for performance testing, Core Web Vitals measurement (INP, LCP, CLS), network monitoring, accessibility validation, responsive testing, and browser automation. Uses Chrome DevTools Protocol via MCP to provide professional-grade web application testing, debugging, and analysis capabilities including performance tracing, HAR export, device emulation, and multi-page workflows.
component-scaffolding
Generate Drupal/Twig component skeletons with web components and Miyagi validation. Use when user requests to create, scaffold, or add a new component at a specific path (e.g., "add component skeleton at patterns/share-button"), or when creating component files including Twig templates, CSS, JavaScript web components, JSON schemas, or mock data files.
component-usage-analysis
Analyse component dependencies and usage patterns in a Drupal/Twig component library. Use when user asks to find where a component is used, check if a component can be safely removed, audit component dependencies, find components using specific properties, or analyse impact of refactoring a component.
frontend-testing
Write tests that start with acceptance criteria, then add implementation tests for robustness. Use when writing unit tests (Vitest), end-to-end tests (Playwright), visual regression tests, or accessibility tests. Emphasizes user-centric testing, semantic locators, accessibility validation, and the balance between acceptance and implementation testing.
semantic-html
Write well-considered semantic HTML that serves all users. Use when creating components, page structures, or reviewing markup. Emphasizes native HTML elements over ARIA. Treats proper document structure and accessibility as foundations rather than afterthoughts.
css-coder
CSS authoring guidance emphasizing web standards, accessibility, and performance. Use when writing, reviewing, or refactoring CSS. Provides patterns, snippets, and conventions that prioritize native CSS over frameworks, semantic structure, and maintainable code. Refer to references/patterns.md for specific patterns and snippets.
css-tokens
Provides foundational CSS design tokens (custom properties) for typography, spacing, colors, borders, z-index, and transitions. Use when setting up a base token system for a web project.
frontend-security
Audit frontend codebases for security vulnerabilities and bad practices. Use when performing security reviews, auditing code for XSS/CSRF/DOM vulnerabilities, checking Content Security Policy configurations, validating input handling, reviewing file upload security, or examining Node.js/NPM dependencies. Target frameworks include web platform (vanilla HTML/CSS/JS), React, Astro, Twig templates, Node.js, and Bun. Based on OWASP security guidelines.
endurance-coach
Create personalized triathlon, marathon, and ultra-endurance training plans. Use when athletes ask for training plans, workout schedules, race preparation, or coaching advice. Can sync with Strava to analyze training history, or work from manually provided fitness data. Generates periodized plans with sport-specific workouts, zones, and race-day strategies.
freee-api-skill
freee API を MCP 経由で操作するスキル。会計・人事労務・請求書・工数管理・販売の詳細APIリファレンスと使い方ガイドを提供。経費申請・取引登録・勤怠打刻・給与明細・見積書・試算表・仕訳・従業員管理・工数登録・売上管理など、freee関連の操作やAPI仕様を調べたいときに使う。
code-simplifier
Simplify and refine code for clarity, consistency, and maintainability while preserving functionality. Use when asked to "simplify", "clean up", or "refactor" code, after writing complex code that could benefit from simplification, or when code has grown hard to follow.
go-doc
Get documentation for any Go library using `go doc`. Use when asked about Go package documentation, API reference, function signatures, or how to use a specific Go library/package.
go-performance
Analyze and optimize Go program performance. Use when asked to profile Go code, find performance bottlenecks, analyze memory allocations, detect memory leaks, write benchmarks, or optimize CPU/memory usage.
Agent Development
This skill should be used when the user asks to "create an agent", "add an agent", "write a subagent", "agent frontmatter", "when to use description", "agent examples", "agent tools", "agent colors", "autonomous agent", or needs guidance on agent structure, system prompts, triggering conditions, or agent development best practices for Claude Code plugins.
frontend-design
Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, or applications. Generates creative, polished code that avoids generic AI aesthetics.
Hook Development
This skill should be used when the user asks to "create a hook", "add a PreToolUse/PostToolUse/Stop hook", "validate tool use", "implement prompt-based hooks", "use ${CLAUDE_PLUGIN_ROOT}", "set up event-driven automation", "block dangerous commands", or mentions hook events (PreToolUse, PostToolUse, Stop, SubagentStop, SessionStart, SessionEnd, UserPromptSubmit, PreCompact, Notification). Provides comprehensive guidance for creating and implementing Claude Code plugin hooks with focus on advanced prompt-based hooks API.
sentry-code-review
Analyze and resolve Sentry comments on GitHub Pull Requests. Use this when asked to review or fix issues identified by Sentry in PR comments. Can review specific PRs by number or automatically find recent PRs with Sentry feedback.
sentry-setup-ai-monitoring
Setup Sentry AI Agent Monitoring in any project. Use this when asked to add AI monitoring, track LLM calls, monitor AI agents, or instrument OpenAI/Anthropic/Vercel AI/LangChain/Google GenAI. Automatically detects installed AI SDKs and configures the appropriate Sentry integration.
sentry-setup-logging
Setup Sentry Logging in any project. Use this when asked to add Sentry logs, enable structured logging, setup console log capture, or integrate logging with Sentry. Supports JavaScript, TypeScript, Python, Ruby, React, Next.js, and other frameworks.
sentry-setup-metrics
Setup Sentry Metrics in any project. Use this when asked to add Sentry metrics, track custom metrics, setup counters/gauges/distributions, or instrument application performance metrics. Supports JavaScript, TypeScript, Python, React, Next.js, and Node.js.
sentry-setup-tracing
Setup Sentry Tracing (Performance Monitoring) in any project. Use this when asked to add performance monitoring, enable tracing, track transactions/spans, or instrument application performance. Supports JavaScript, TypeScript, Python, Ruby, React, Next.js, and Node.js.
Skill Development
This skill should be used when the user wants to "create a skill", "add a skill to plugin", "write a new skill", "improve skill description", "organize skill content", or needs guidance on skill structure, progressive disclosure, or skill development best practices for Claude Code plugins.
acceptance-criteria-verification
Use after implementing features - verifies each acceptance criterion with structured testing and posts verification reports to the GitHub issue
api-documentation
Use when API code changes (routes, endpoints, schemas). Enforces Swagger/OpenAPI sync. Pauses work if documentation has drifted, triggering documentation-audit skill.
apply-all-findings
Use after code review - implement ALL findings; any finding not fixed MUST have tracking issue created; no finding disappears without trace
autonomous-operation
Use when starting any work session - establishes autonomous operation mode, overriding token limits and time pressure to work until goal is achieved
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