Third-party pieces

Vendored here (their licences apply)

What	From	Licence
`claude/skills/caveman`, `claude/hooks/caveman-.js`	JuliusBrussee/caveman	Apache-2.0 or MIT (licenses/caveman-APACHE-2.0.txt)
`claude/skills/whatif/assets/paged.polyfill.js`	Paged.js	MIT
`claude/skills/whatif/assets/xkcd-script.ttf`	xkcd script font	CC BY-NC 3.0

Install these from their own sources.

What	Where	How
Cloudflare skills (agents-sdk, cloudflare, durable-objects, wrangler, workers-best-practices, sandbox-sdk, web-perf, cloudflare-email-service, turnstile-spin)	cloudflare/skills	follow its README
graphify (by safishamsi)	graphifyy on PyPI	`pip install graphifyy`, then its skill
Playwright MCP	microsoft/playwright-mcp	`claude mcp add playwright -- npx -y @playwright/mcp@latest`
frontend-design, rust-analyzer-lsp	Claude Code's official plugin marketplace	`/plugin`
Anthropic's document skills (docx, pdf, pptx, xlsx, ...)	built into claude.ai	nothing to install