Security
Trail of Bits Skills: Security Auditing for Claude Code
Trail of Bits' skills marketplace adds 46 security plugins to Claude Code: code auditing, static analysis, smart contracts, fuzzing and verification. Setup.
★ 7,762
Claude Skills Directory
Browse Claude Code and Claude.ai Skills by category with install commands, source repos, licenses and GitHub stars. Find a skill and add it in minutes.
Design
theme-factory Skill: Consistent Themes for Claude Output
Anthropic's theme-factory skill applies one of 10 preset color and font themes, or a custom one, to slides, docs, reports and landing pages. How to use it.
★ 183,346
Design
UI UX Pro Max Skill: Design Intelligence for Claude
UI UX Pro Max gives Claude a searchable design database and generator: 192 product rules, 79 styles, 192 palettes and 74 font pairings. Install, usage, caveats.
★ 139,515
Documents
XLSX Skill for Claude: Build and Clean Spreadsheets
Anthropic's xlsx skill lets Claude create, edit and clean spreadsheets with working formulas, formatting and charts. Install command, prompts and tips.
★ 183,344
Testing
webapp-testing Skill: Test Web Apps with Playwright
Anthropic's webapp-testing skill lets Claude test local web apps with Playwright: verify UI, debug behavior, capture screenshots and read browser logs.
★ 183,344
Development
web-artifacts-builder Skill: React Artifacts for Claude
Anthropic's web-artifacts-builder skill has Claude build multi-component React, Tailwind and shadcn/ui apps, then bundle them into one HTML artifact. Usage.
★ 183,346