Can it help with the Commerce to Billing API migration?

Yes, it documents the November 2025 breaking changes, including endpoint renames from /commerce/ to /billing/ and necessary field updates for the 2025-11-10 API version.

How does it handle Clerk's async auth() changes?

It provides the correct implementation patterns for the asynchronous auth() helper introduced in Clerk v6, ensuring your Server Components handle authentication correctly.

Does this skill support Next.js 16?

Yes, it includes the latest patterns for Next.js 16, specifically the transition from middleware.ts to proxy.ts to address the March 2025 security vulnerabilities.

Does it provide guidance on CSRF prevention?

Absolutely. It emphasizes the use of authorizedParties in token verification to prevent CSRF attacks, particularly for deployments on Cloudflare Workers and other edge runtimes.

Clerk Auth Implementation

Name: Clerk Auth Implementation
Author: evolv3ai

byevolv3ai

0•

API Development

Implements production-ready Clerk authentication with support for Next.js 16, API keys, and advanced security patterns.

This skill provides comprehensive guidance for integrating Clerk into modern web applications, focusing on the latest 2025/2026 updates and breaking changes. It helps developers navigate critical transitions like the Next.js 16 proxy.ts middleware rename, the move to asynchronous auth() helpers, and the 2025-11-10 Billing API updates. By offering pre-validated patterns for webhook verification, CSRF prevention, and user-scoped API keys, it ensures secure, production-grade authentication while preventing over 15 documented implementation errors.

Key Features

01Migration guides for the 2025-11-10 Billing API breaking changes

02Next.js 16 proxy.ts middleware configuration and security patterns

03User and Organization-scoped API key management integration

04Secure webhook verification and public route protection patterns

050 GitHub stars

06Async auth() helper implementation for Next.js v6 compatibility

Use Cases

01Troubleshooting CSRF, JWKS, and JWT token-type-mismatch errors

02Implementing self-service API key management for users and organizations

03Migrating Next.js applications to Clerk v6 and Next.js 16 environments

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add evolv3ai/claude-skills-archive clerk-auth

For use in Claude.ai and ChatGPT

Download Skill