Clerk Skills

Audits 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",…

Audits 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…

Audits the bundled `clerk-expo` skill against the @clerk/expo SDK source and clerk-docs, then proposes or applies updates. Use when the user says "audit the…

Create or refresh a `.changeset/<slug>.md` for the current branch, or report that none is required. Triggers on "/changesets create", "add a changeset",…

Intelligent router that directs authentication tasks to specialized Clerk skills based on your framework and use case. Routes to eight specialized skills covering setup, custom UI, Next.js patterns, organizations, webhooks, testing, native iOS/Android, and backend API Detects Clerk SDK version (Core 2 LTS vs. current) from package.json to apply correct patterns and APIs Covers web frameworks (Next.js, React, Expo, React Router, TanStack Start) and native platforms (Swift/iOS, Kotlin/Android)...

Intelligent router that directs authentication tasks to specialized Clerk skills based on your framework and use case. Routes to eight specialized skills covering setup, custom UI, Next.js patterns, organizations, webhooks, testing, native iOS/Android, and backend API Detects Clerk SDK version (Core 2 LTS vs. current) from package.json to apply correct patterns and APIs Covers web frameworks (Next.js, React, Expo, React Router, TanStack Start) and native platforms (Swift/iOS, Kotlin/Android)...

The clerk binary is a pre-authenticated gateway to Clerk's Backend API and Platform API, plus project-level tooling (auth, linking, env pulls, instance config). When the user asks anything that touches a Clerk resource, reach for clerk first instead of hand-rolling curl .

Implement Clerk authentication for native Android apps using Kotlin and Jetpack Compose with clerk-android source-guided patterns. Use for prebuilt…

Implement Clerk authentication for native Android apps using Kotlin and

Astro patterns with Clerk — middleware, SSR pages, island components, API routes, static vs SSR rendering. Triggers on: astro clerk, clerk astro middleware,…

Astro patterns with Clerk — middleware, SSR pages, island components,

Clerk Backend REST API explorer and executor. Browse tags, inspect endpoint schemas, and execute authenticated requests. Use when listing users, managing…

Clerk Backend REST API explorer and executor. Browse tags, inspect endpoint schemas, and execute authenticated requests. Use when listing users, managing…

Clerk Billing for subscription management - render Clerk's PricingTable

Clerk Billing for subscription management - render Clerk's PricingTable and in-app checkout drawer, configure subscription plans, seat-limit plans for B2B,…

Chrome Extension auth with @clerk/chrome-extension -- popup/sidepanel setup, syncHost for OAuth/SAML via web app, createClerkClient for service workers and…

Chrome Extension auth with @clerk/chrome-extension -- popup/sidepanel

Operate the Clerk CLI (`clerk` binary) for authentication, user/org/session management, impersonation, local webhook testing, deploy verification, instance…

The clerk binary is a pre-authenticated gateway to Clerk's Backend API and Platform API, plus project-level tooling (auth, linking, env pulls, instance config). When the user asks anything that touches a Clerk resource, reach for clerk first instead of hand-rolling curl .

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...

Custom authentication flows and component appearance - hooks (useSignIn, useSignUp), themes, colors, fonts, CSS. Use for custom sign-in/sign-up flows,…

Build custom authentication flows and visually brand Clerk components with hooks and appearance styling. Provides useSignIn and useSignUp hooks for building custom sign-in/sign-up UI; API differs between Core 2 and current SDK versions Appearance customization via variables (colors, typography, borders), options (logo, social button layout), and pre-built themes (dark, neobrutalism, shadcn, simple) shadcn theme automatically matches shadcn/ui projects when components.json is present; theme...

Add Clerk authentication to Expo and React Native apps using @clerk/expo. Use for Expo setup, prebuilt native components (AuthView, UserButton), custom…

Add Clerk authentication to Expo and React Native apps using @clerk/expo. Use for Expo setup, prebuilt native components (AuthView, UserButton), custom…

Expo / React Native patterns with Clerk — SecureStore token cache, OAuth

Work effectively in the clerk/javascript SDK monorepo. Use when setting up the repo, building / testing / running a package, deciding which of the @clerk/*…

Work effectively in the clerk/javascript SDK monorepo. Use when setting up the repo, building / testing / running a package, deciding which of the @clerk/*…

Advanced Next.js patterns for authentication, middleware, Server Actions, and user-scoped caching with Clerk. Distinguishes server-side await auth() from client-side useAuth() hook; mixing them is a common breaking mistake Covers middleware strategies (public-first vs protected-first), API route protection, and proper HTTP status codes (401 vs 403) Includes user-scoped caching patterns with unstable_cache and protecting Server Actions from unauthorized mutations Provides Core 2 compatibility...

Advanced Next.js patterns for authentication, middleware, Server Actions, and user-scoped caching with Clerk. Distinguishes server-side await auth() from client-side useAuth() hook; mixing them is a common breaking mistake Covers middleware strategies (public-first vs protected-first), API route protection, and proper HTTP status codes (401 vs 403) Includes user-scoped caching patterns with unstable_cache and protecting Server Actions from unauthorized mutations Provides Core 2 compatibility...

Nuxt 3 auth patterns with @clerk/nuxt - middleware, composables, server API routes, SSR. Triggers on: Nuxt auth, useAuth composable, clerkMiddleware Nuxt,…

Nuxt 3 auth patterns with @clerk/nuxt - middleware, composables, server

Clerk Organizations for B2B SaaS - create multi-tenant apps with org switching, role-based access, verified domains, and enterprise SSO. Use for team…

Multi-tenant B2B SaaS with organization switching, role-based access control, and enterprise SSO. Supports dynamic org-based routing via URL slugs, role-based access checks ( org:admin , org:member ), and custom role creation through the dashboard Includes OrganizationSwitcher component for user-facing org selection and <Show> conditional rendering for role-gated UI Provides server-side organization context via auth() helper with membership verification and permission checks Enables...

React SPA auth patterns with @clerk/react for Vite/CRA - ClerkProvider setup, useAuth/useUser/useClerk hooks, React Router protected routes, custom sign-in…

React SPA auth patterns with @clerk/react for Vite/CRA - ClerkProvider

React Router v7/v8 patterns with Clerk — rootAuthLoader, getAuth in loaders, clerkMiddleware, protected routes, SSR user data, org switching. Triggers on:…

React Router v7 patterns with Clerk — rootAuthLoader, getAuth in loaders,

Framework-agnostic Clerk authentication setup following official quickstart guides. Detects framework from package.json dependencies and fetches the corresponding Clerk quickstart documentation (supports Next.js, Remix, Astro, Nuxt, React Router, TanStack Start, React SPA, Vue, Express, Fastify, Expo, Chrome Extension, Android, iOS, and Vanilla JavaScript) Handles environment variable setup, provider configuration, and middleware/proxy file creation with version-specific guidance for Core 2...

Framework-agnostic Clerk authentication setup following official quickstart guides. Detects framework from package.json dependencies and fetches the corresponding Clerk quickstart documentation (supports Next.js, Remix, Astro, Nuxt, React Router, TanStack Start, React SPA, Vue, Express, Fastify, Expo, Chrome Extension, Android, iOS, and Vanilla JavaScript) Handles environment variable setup, provider configuration, and middleware/proxy file creation with version-specific guidance for Core 2...

Implement Clerk authentication for native Swift and iOS apps using ClerkKit and ClerkKitUI source-guided patterns. Use for prebuilt AuthView or custom native…

Native Swift/iOS authentication using ClerkKit with prebuilt or custom auth flows. Supports two implementation modes: prebuilt AuthView components or fully custom native flows, selected based on project requirements Requires direct wiring of a valid Clerk publishable key in app configuration; does not use plist or environment file indirection by default Mandatory /v1/environment call after package install to determine feature availability (for example Apple Sign In support) based on...

TanStack React Start auth patterns with @clerk/tanstack-react-start - createServerFn, beforeLoad guards, loaders, Vinxi server. Triggers on: TanStack auth,…

TanStack React Start auth patterns with @clerk/tanstack-react-start

E2E testing for Clerk apps. Use with Playwright or Cypress for auth flow tests.

E2E testing utilities for Clerk authentication flows in Playwright and Cypress. Supports both Playwright and Cypress frameworks with framework-specific setup patterns (globalSetup for Playwright, custom commands for Cypress) Provides clerkSetup() and setupClerkTestingToken() utilities to initialize test environments and bypass bot detection Includes storageState persistence to reuse authenticated sessions across tests, reducing test execution time Requires test API keys ( pk_test_* ,...

Vue 3 patterns with Clerk — composables (useAuth, useUser, useClerk, useOrganization), Vue Router guards, Pinia auth store integration. Triggers on: vue clerk,…

Vue 3 patterns with Clerk — composables (useAuth, useUser,

Clerk webhooks for real-time events and data syncing. Verify with verifyWebhook from the framework-specific package. Handle user, session, organization,…

Real-time event webhooks for syncing Clerk user, organization, and session data to external systems. Supports 40+ event types across users, organizations, sessions, roles, permissions, invitations, and communications Includes built-in webhook verification via verifyWebhook() and automatic retry logic through Svix (up to 3 days) Best suited for background tasks like database syncing, notifications, and integrations; not for synchronous flows requiring immediate data access Requires public,...

Work on Mosaic UI: styling a component with slot recipes (`defineSlotRecipe` / `useRecipe` / slots / variants), or building a flow — authoring a state machine…

Author 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…