Authentication for Astro Sites
Add authentication to an Astro site with Clerk's @clerk/astro SDK — covers SSR vs SSG, middleware, Organizations, RBAC, and comparisons with Auth0, Supabase, and Firebase.
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Insights for builders
What Is Auth-as-a-Service? The Complete Guide
Definitive guide to auth-as-a-service — the cloud platforms that replace in-house login, MFA, and SSO. Covers managed vs self-hosted, vendor lock-in, and why Clerk leads for most teams.
Authentication for AI Applications
Complete guide to authenticating AI applications with Clerk: dual-principal tokens, user-delegated and autonomous M2M patterns, token scoping, MCP, and multi-tenant isolation.
Authentication for React Router or Remix Applications
Add authentication to a React Router v7 or Remix app with Clerk — a TypeScript walkthrough of loaders, actions, protected routes, email + OTP, social login, and organizations.
Authentication Trends in 2026: Passkeys, AI Agents, and Edge Auth
Passkeys, AI agent identity via OAuth 2.1, and edge JWT verification define authentication in 2026. Get the data, standards, and how Clerk fits TypeScript-first stacks.
Add Clerk authentication to a Next.js app with the Clerk CLI
The Clerk CLI adds authentication to a Next.js 16 App Router app end-to-end: scaffold, pull keys, patch passkeys as code, and validate wiring — no dashboard round-trip.