- Clerk MonorepoWork effectively in the clerk/javascript SDK monorepo. Use when setting up the repo, building / testing / running a package, deciding which of the @clerk/* packages to change, writing changesets, conventional commits, or PRs, or checking whether a change is a breaking change to clerk-js or ui. Covers the pnpm + turbo dev loop, the package map, and the repo's hard rules. AGENTS.md is the authority on the rules; this skill is the how-to layer that points back to it.clerk/javascript1,722
- Mosaic MachineAuthor and use Mosaic state machines. Use when the user is writing a state machine with createMachine, modelling a multi-step flow, wiring a machine to React with useMachine/useActor/useSelector, debugging a machine transition, or migrating from useState booleans to a machine.clerk/javascript1,722
- Swift ConcurrencyExpert guidance on Swift Concurrency best practices, patterns, and implementation. Use when developers mention: (1) Swift Concurrency, async/await, actors, or tasks, (2) "use Swift Concurrency" or "modern concurrency patterns", (3) migrating to Swift 6, (4) data races or thread safety issues, (5) refactoring closures to async/await, (6) @MainActor, Sendable, or actor isolation, (7) concurrent code architecture or performance optimization, (8) concurrency-related linter warnings (SwiftLint or simclerk/clerk-ios93
- Swift Testing ExpertExpert guidance for Swift Testing: test structure, #expect/#require macros, traits and tags, parameterized tests, test plans, parallel execution, async waiting patterns, and XCTest migration. Use when writing new Swift tests, modernizing XCTest suites, debugging flaky tests, or improving test quality and maintainability in Apple-platform or Swift server projects.clerk/clerk-ios93
- Swiftui ProComprehensively reviews SwiftUI code for best practices on modern APIs, maintainability, and performance. Use when reading, writing, or reviewing SwiftUI projects.clerk/clerk-ios93
- Swiftui View RefactorRefactor and review SwiftUI view files for consistent structure, dependency injection, and Observation usage. Use when asked to clean up a SwiftUI view’s layout/ordering, handle view models safely (non-optional when possible), or standardize how dependencies and @Observable state are initialized and passed.clerk/clerk-ios93
- Audit Clerk SkillAudits the bundled `clerk-cli` skill against the Clerk CLI source tree and proposes or applies updates. Use when the user says "audit the clerk-cli skill", "update the clerk-cli skill", "check clerk-cli against the CLI source", "resync clerk-cli skill", "run audit-clerk-skill", or after Clerk CLI commands, flags, or agent-mode behavior change.clerk/skills54
- ClerkClerk authentication router. Use when user asks about Clerk CLI operations, adding authentication, setting up Clerk, custom sign-in flows, Swift or native iOS auth, native Android auth, Next.js patterns, React patterns, Vue patterns, Nuxt patterns, Astro patterns, TanStack Start patterns, Expo patterns, React Router patterns, Chrome Extension patterns, organizations, billing, subscriptions, payments, pricing, plans, seat-based pricing, feature entitlements, syncing users, or testing. Automaticalclerk/skills54
- Clerk AndroidImplement Clerk authentication for native Android apps using Kotlin and Jetpack Compose with clerk-android source-guided patterns. Use for prebuilt AuthView/UserButton or custom API-driven auth flows. Do not use for Expo or React Native projects.clerk/skills54
- Clerk Astro PatternsAstro patterns with Clerk — middleware, SSR pages, island components, API routes, static vs SSR rendering. Triggers on: astro clerk, clerk astro middleware, astro protected page, clerk island component, astro API route auth, clerk astro SSR.clerk/skills54
- Clerk Backend ApiClerk Backend REST API explorer and executor. Browse tags, inspect endpoint schemas, and execute authenticated requests. Use when listing users, managing organizations, or calling any Clerk API endpoint.clerk/skills54
- Clerk BillingClerk Billing for subscription management - render Clerk's PricingTable and in-app checkout drawer, configure subscription plans, seat-limit plans for B2B, feature entitlements with has(), and billing webhooks. Use for SaaS monetization, plan gating, checkout flows, trials, invoicing, and subscription lifecycle management.clerk/skills54
- Clerk Chrome Extension PatternsChrome Extension auth with @clerk/chrome-extension -- popup/sidepanel setup, syncHost for OAuth/SAML via web app, createClerkClient for service workers and headless extensions, stable CRX ID. Triggers on: Chrome extension auth, Plasmo clerk, popup sign-in, syncHost, background service worker token, createClerkClient, headless extension.clerk/skills54
- Clerk CliOperate the Clerk CLI (`clerk` binary) for authentication, user/org/session management, deploy verification, instance config, env keys, and any Clerk Backend or Platform API call. Use when the user mentions Clerk management tasks, "list clerk users", "create a clerk user", "update organization", "pull clerk config", "clerk env pull", "clerk doctor", "clerk deploy", "clerk deploy status", "clerk api", or any ad-hoc Clerk API request. Prefer the CLI over raw HTTP: it handles auth, key resolution, clerk/skills54
- Clerk Custom UiCustom authentication flows and component appearance - hooks (useSignIn, useSignUp), themes, colors, fonts, CSS. Use for custom sign-in/sign-up flows, appearance styling, visual customization, branding.clerk/skills54
- Clerk ExpoImplement Clerk authentication for Expo and React Native apps using @clerk/expo source-guided patterns. Use for prebuilt AuthView/UserButton or custom hook-driven auth flows. Do not use for native iOS/Swift, native Android/Kotlin, or web framework projects.clerk/skills54
- Clerk Expo PatternsExpo / React Native patterns with Clerk — SecureStore token cache, OAuth deep linking, useAuth in native, Expo Router protected routes, push notifications with user context. Triggers on: expo clerk, clerk react native, SecureStore token cache, expo router auth, OAuth deep link clerk, mobile auth clerk.clerk/skills54
- Clerk Nextjs PatternsAdvanced Next.js patterns - middleware, Server Actions, caching with Clerk.clerk/skills54
- Clerk Nuxt PatternsNuxt 3 auth patterns with @clerk/nuxt - middleware, composables, server API routes, SSR. Triggers on: Nuxt auth, useAuth composable, clerkMiddleware Nuxt, server API Clerk, Nuxt route protection.clerk/skills54
- Clerk OrgsClerk Organizations for B2B SaaS - create multi-tenant apps with org switching, role-based access, verified domains, and enterprise SSO. Use for team workspaces, RBAC, org-based routing, member management.clerk/skills54
- Clerk React PatternsReact SPA auth patterns with @clerk/react for Vite/CRA - ClerkProvider setup, useAuth/useUser/useClerk hooks, React Router protected routes, custom sign-in flows. Triggers on: Vite Clerk setup, React Router auth, useAuth hook, protected route, custom sign-in form React.clerk/skills54
- Clerk React Router PatternsReact Router v7 patterns with Clerk — rootAuthLoader, getAuth in loaders, clerkMiddleware, protected routes, SSR user data, org switching. Triggers on: react-router auth, rootAuthLoader, getAuth loader, react-router protected route, loader authentication, SSR auth react-router.clerk/skills54
- Clerk SetupAdd Clerk authentication to any project by following the official quickstart guides.clerk/skills54
- Clerk SwiftImplement Clerk authentication for native Swift and iOS apps using ClerkKit and ClerkKitUI source-guided patterns. Use for prebuilt AuthView or custom native flows. Do not use for Expo or React Native projects.clerk/skills54
- Clerk Tanstack PatternsTanStack React Start auth patterns with @clerk/tanstack-react-start - createServerFn, beforeLoad guards, loaders, Vinxi server. Triggers on: TanStack auth, createServerFn clerk, beforeLoad protection, TanStack Start middleware.clerk/skills54
- Clerk TestingE2E testing for Clerk apps. Use with Playwright or Cypress for auth flow tests.clerk/skills54
- Clerk Vue PatternsVue 3 patterns with Clerk — composables (useAuth, useUser, useClerk, useOrganization), Vue Router guards, Pinia auth store integration. Triggers on: vue clerk, useAuth vue, clerk composables, vue router clerk guard, pinia auth clerk. For Nuxt, use clerk-nuxt-patterns instead.clerk/skills54
- Clerk WebhooksClerk webhooks for real-time events and data syncing. Verify with verifyWebhook from the framework-specific package. Handle user, session, organization, billing, and payment events. Build event-driven features like database sync, notifications, and integrations.clerk/skills54
- Audit Clerk SkillAudits the Clerk CLI source tree and proposes updates to the bundled `clerk-cli` skill so it stays in sync with the binary. Use when the user says "audit the clerk-cli skill", "update the clerk-cli skill", "check the skill against the code", "resync clerk-cli skill", or after adding/renaming/removing CLI commands, flags, or agent-mode behavior.clerk/cli52
- ChangesetsCreate or refresh a `.changeset/<slug>.md` for the current branch, or report that none is required. Triggers on "/changesets create", "add a changeset", "create a changeset", "update the changeset", "refresh the changeset", "do I need a changeset", or any work that touches `packages/**` source files on a feature branch.clerk/cli52
- ClerkClerk authentication router. Use when user asks about adding authentication, setting up Clerk, custom sign-in flows, Swift or native iOS auth, native Android auth, Next.js patterns, React patterns, Vue patterns, Nuxt patterns, Astro patterns, TanStack Start patterns, Expo patterns, React Router patterns, Chrome Extension patterns, organizations, syncing users, or testing. Automatically routes to the specific skill based on their task.clerk/stripe-webhooks-example
- Clerk Backend ApiClerk Backend REST API explorer and executor. Browse tags, inspect endpoint schemas, and execute authenticated requests. Use when listing users, managing organizations, or calling any Clerk API endpoint.clerk/stripe-webhooks-example
- Clerk Custom UiCustom authentication flows and component appearance - hooks (useSignIn, useSignUp), themes, colors, fonts, CSS. Use for custom sign-in/sign-up flows, appearance styling, visual customization, branding.clerk/stripe-webhooks-example
- Clerk Nextjs PatternsAdvanced Next.js patterns - middleware, Server Actions, caching with Clerk.clerk/stripe-webhooks-example
- Clerk OrgsClerk Organizations for B2B SaaS - create multi-tenant apps with org switching, role-based access, verified domains, and enterprise SSO. Use for team workspaces, RBAC, org-based routing, member management.clerk/stripe-webhooks-example
- Clerk SetupAdd Clerk authentication to any project by following the official quickstart guides.clerk/stripe-webhooks-example
- Clerk TestingE2E testing for Clerk apps. Use with Playwright or Cypress for auth flow tests.clerk/stripe-webhooks-example
- Clerk WebhooksClerk webhooks for real-time events and data syncing. Always output complete, copy-paste-ready webhook handlers with verifyWebhook(req) verification. Listen for user creation, updates, deletion, and organization events. Build event-driven features like database sync, notifications, integrations.clerk/stripe-webhooks-example
- Stripe Best PracticesGuides Stripe integration decisions — API selection (Checkout Sessions vs PaymentIntents), Connect platform setup (Accounts v2, controller properties), billing/subscriptions, Treasury financial accounts, integration surfaces (Checkout, Payment Element), migrating from deprecated Stripe APIs, and security best practices (API key management, restricted keys, webhooks, OAuth). Use when building, modifying, or reviewing any Stripe integration — including accepting payments, building marketplaces, inclerk/stripe-webhooks-example