Clerk Local Dev Loop

Overview

Configure an efficient local development workflow with Clerk authentication.

Prerequisites

• Clerk SDK installed

• Development and production instances in Clerk dashboard

• Node.js development environment

Instructions

• Step 1: Configure Development Instance

• Step 2: Set Up Test Users

• Step 3: Configure Hot Reload

• Step 4: Development Scripts

• Step 5: Mock Authentication for Tests

For full implementation details and code examples, load: Read(${CLAUDE_SKILL_DIR}/references/implementation-guide.md)

Output

• Development environment configured

• Test users available

• Hot reload working with auth

• Mocked auth for testing

Error Handling

Error Cause Solution

Development/Production mismatch Using prod keys in dev Use pk_test_/sk_test_ keys locally

SSL Required Clerk needs HTTPS Use next dev --experimental-https

Cookies Not Set Wrong domain config Check Clerk dashboard domain settings

Session Not Persisting LocalStorage issues Clear browser storage, check domain

Resources

• Clerk Development Mode

• Test Mode

• CLI Tools

Next Steps

Proceed to clerk-sdk-patterns for common SDK usage patterns.

Examples

Basic usage: Apply clerk local dev loop to a standard project setup with default configuration options.

Advanced scenario: Customize clerk local dev loop for production environments with multiple constraints and team-specific requirements.