21st.dev MCP
By 21st.dev · Official
Find and work with React UI components from 21st.dev directly in your coding agent.
By Cloudflare · Official skill
Give your coding agent guidance for the stable Cloudflare Sandbox SDK. The skill provides platform-specific context for applications that execute code or manage isolated development environments. Use it when building a sandbox-backed feature or maintaining an existing integration, supplying the installed SDK version, Worker configuration, and the execution workflow you want to support.
By Auth0 · Official
Give your coding agent Auth0 integration guidance selected for your application framework. The skill detects the project stack and routes to relevant SDK setup, authentication routes, and login flows. Use it when adding authentication or migrating an existing system, supplying your framework and the account and session behavior the application needs.
By Clerk · Official
Give your agent a workflow for testing Clerk authentication with browser test tools. It helps structure checks around sign-in and protected application flows. Use it when adding authentication regression coverage, providing a suitable test environment, the expected user journey, and the Playwright or Cypress setup already used by the project.