MCP servers and skills: search, filter by where they run, and compare.
Checks replies to questions about using Claude products against the official guidance before answering.
OfficialSkillApache-2.0No key
Generative art with p5.js using seeded randomness, flow fields, particle systems and adjustable parameters.
OfficialSkillApache-2.0No key
Requires a design-first pass before creative work such as new features, components or behavior changes.
SkillMITNo key
Applies Anthropic's official brand colors and typography to artifacts that should match its look and feel.
OfficialSkillApache-2.0No key
Makes static visual art and posters as PNG or PDF files, guided by a written design philosophy.
OfficialSkillApache-2.0No key
Diagnosis loop for hard bugs and performance regressions when a user reports something broken or slow.
SkillMITNo key
After a substantive answer, adds two or three follow-up questions tied to its content; runs at most once per chat.
OfficialSkillApache-2.0No key
Guides intentional UI visual design, covering aesthetic direction, typography and choices that avoid generic templates.
OfficialSkillApache-2.0No key
Templates and guidance for internal company messages such as status reports, leadership updates and incident reports.
OfficialSkillApache-2.0No key
Guide for building high-quality MCP servers in Python (FastMCP) or TypeScript that expose external APIs to LLMs.
OfficialSkillApache-2.0No key
React and Next.js performance guidelines for writing, reviewing and refactoring components and data fetching.
OfficialSkillMITNo key
Creates, edits and benchmarks Agent Skills, with evals and description tuning for better triggering.
OfficialSkillApache-2.0No key
Creates animated GIFs sized for Slack, with constraints and validation utilities.
OfficialSkillApache-2.0No key
Root-cause-first method to apply to any bug, test failure or unexpected behavior before proposing fixes.
SkillMITNo key
Test-first development for features and bug fixes using red-green-refactor and integration tests.
SkillMITNo key
Test-first workflow to use before writing implementation code for any feature or bug fix.
SkillMITNo key
Applies a consistent theme to artifacts such as slides, documents, reports and HTML landing pages.
OfficialSkillApache-2.0No key
Toolkit for multi-component claude.ai HTML artifacts built with modern frontend tooling.
OfficialSkillApache-2.0No key
Reviews UI code against Vercel's Web Interface Guidelines for accessibility and UX compliance.
OfficialSkillMITNo key
Playwright toolkit for testing local web apps: checks frontend behavior, captures screenshots and reads browser logs.
OfficialSkillApache-2.0No key
Who stands behind it
