agent-centric
Track decisions (AGD) with validation and indexing. Use when making design decisions, recording important choices, discussing trade-offs, or when user mentions AGD or decision record.
color-master
Convert colors between formats (HEX, RGB, HSL, CMYK, LAB, LCH, oklch, ANSI), generate color harmonies (complementary, triadic, analogous), check accessibility (WCAG contrast), and simulate color blindness. Use when working with colors, design systems, CSS themes.
command-creator
Guide for creating Claude Code slash commands. Use when the user wants to create a new slash command, custom prompt shortcut, or workflow automation command for Claude Code. Helps define command structure, frontmatter, arguments, and best practices.
frontend-design
Create distinctive, production-grade frontend interfaces with high design quality. Use when building 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.
mcp-context7
Query up-to-date library documentation and code examples using Context7. Provides 2 tools for resolving library IDs and querying documentation.
mcp-deepwiki
Access and query GitHub repository documentation using DeepWiki's AI-powered knowledge base. Provides 3 tools for browsing documentation structure, viewing content, and asking questions.
mcp-fetch
Web content fetching and conversion to markdown for efficient LLM consumption. Provides 1 tool for fetching URLs and extracting content.
mcp-grep
Search over a million GitHub repositories for real-world code examples using grep.app. Find literal code patterns, usage examples, and implementation patterns across popular open-source projects. Perfect for discovering how developers use specific APIs, libraries, or coding patterns.
mcp-skill-generator
Convert MCP servers to Claude Code skills with progressive disclosure. Use when creating a skill from an MCP server, updating an existing MCP skill, or converting MCP documentation to skill format. Accepts MCP documentation URLs, npm package names, or direct connection info.
parallel-agent-workflow
Coordinate multiple agents working in parallel using git worktrees to avoid file conflicts. Use when needing concurrent agents to modify different files/components with worktree isolation, or when asked to use worktrees for parallel agent work.
playwright
Complete browser automation with Playwright. Auto-detects dev servers, writes clean test scripts to /tmp. Test pages, fill forms, take screenshots, check responsive design, validate UX, test login flows, check links, automate any browser task. Use when user wants to test websites, automate browser interactions, validate web functionality, or perform any browser-based testing.
seo-article-optimizer
Optimize single articles or landing pages for SEO. Analyzes keywords, readability, headings, meta tags, internal links, E-E-A-T signals, featured snippets. Outputs scores, optimized draft, and publish assets. Use for blog posts, landing pages, or single URL optimization.
seo-site-audit
Website-level technical SEO audit with engineering backlog. Covers robots.txt, sitemap, canonical, redirects, meta/OG/Twitter, JSON-LD, internal linking, Core Web Vitals, mobile. Use for site-wide SEO improvements or technical SEO implementation.
skill-composer
Create and improve Claude Code Skills following official best practices. Use when creating a skill, improving skill descriptions, fixing skill activation issues, or structuring skill directories.
skill-reviewer
Reviews Claude Code skills against official best practices and quality standards. Validates YAML frontmatter, checks SKILL.md length under 500 lines, verifies progressive disclosure patterns, assesses description specificity. Use when reviewing SKILL.md files, auditing skill quality, validating against official best practices, or checking skill structure before distribution.