Clerk 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. Automatically routes to the specific skill based on their task.
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See how to installReview the instructions the agent will receive before you install.
Check package.json to determine the Clerk SDK version. This determines which patterns to use:
| Package | Core 2 (LTS until Jan 2027) | Current |
|---|---|---|
@clerk/nextjs | v5–v6 | v7+ |
@clerk/react or @clerk/clerk-react | v5–v6 | v7+ |
@clerk/expo or @clerk/clerk-expo | v1–v2 | v3+ |
@clerk/react-router | v1–v2 | v3+ |
@clerk/tanstack-react-start | < v0.26.0 | v0.26.0+ |
Default to current if the version is unclear or the project is new. Core 2 packages use @clerk/clerk-react and @clerk/clerk-expo (with clerk- prefix); current packages use @clerk/react and @clerk/expo.
All skills are written for the current SDK. When something differs in Core 2, it's noted inline with > **Core 2 ONLY (skip if current SDK):** callouts. The exception is clerk-custom-ui, which has separate core-2/ and core-3/ directories for custom flow hooks since those APIs are entirely different between versions.
Adding Clerk to your project → Use clerk-setup
Operating Clerk from the CLI → Use clerk-cli
doctor, and environment pullsclerk apiCustom sign-in/sign-up UI → Use clerk-custom-ui
useSignIn / useSignUp hooks<Show> component for conditional renderingAdvanced Next.js patterns → Use clerk-nextjs-patterns
React patterns → Use clerk-react-patterns
useAuth, useUser, useClerk)React Router patterns → Use clerk-react-router-patterns
Vue patterns → Use clerk-vue-patterns
useAuth, useUser, useClerk)Nuxt patterns → Use clerk-nuxt-patterns
Astro patterns → Use clerk-astro-patterns
TanStack Start patterns → Use clerk-tanstack-patterns
Expo patterns → Use clerk-expo-patterns
Chrome Extension patterns → Use clerk-chrome-extension-patterns
B2B / Organizations → Use clerk-orgs
Billing & Subscriptions → Use clerk-billing
<PricingTable /> componenthas()Webhooks → Use clerk-webhooks
E2E Testing → Use clerk-testing
Swift / native iOS auth → Use clerk-swift
clerk-iosAndroid / native mobile auth → Use clerk-android
clerk-android-api and clerk-android-ui implementation guidanceclerk-androidBackend REST API → Use clerk-backend-api
If you know your task, you can directly access:
/clerk-setup - Framework setup/clerk-cli - CLI operations and Clerk resource management/clerk-custom-ui - Custom flows & appearance/clerk-nextjs-patterns - Next.js patterns/clerk-react-patterns - React patterns/clerk-react-router-patterns - React Router patterns/clerk-vue-patterns - Vue patterns/clerk-nuxt-patterns - Nuxt patterns/clerk-astro-patterns - Astro patterns/clerk-tanstack-patterns - TanStack Start patterns/clerk-expo-patterns - Expo patterns/clerk-chrome-extension-patterns - Chrome Extension patterns/clerk-orgs - Organizations/clerk-billing - Billing & subscriptions/clerk-webhooks - Webhooks/clerk-testing - Testing/clerk-swift - Swift/native iOS/clerk-android - Native Android/clerk-backend-api - Backend REST APIOr describe what you need and I'll recommend the right one.
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Clerk 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.
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Clerk 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.
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Operate 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, app/instance targeting, and formatting automatically.
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Custom 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.
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Advanced Next.js patterns - middleware, Server Actions, caching with Clerk.
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Clerk 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.
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