debug-route

Trace a Next.js App Router route's lifecycle from middleware through page rendering.

Updated Mar 24, 2026
One-click install
npx skills add https://github.com/SumitRajpal/nextjs-claude-architecture --skill debug-route
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: debug-route
Source: https://github.com/SumitRajpal/nextjs-claude-architecture/tree/main/.claude/skills/debug-route
Command: npx skills add https://github.com/SumitRajpal/nextjs-claude-architecture --skill debug-route

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Tracing the complete lifecycle of a Next.js route from the incoming request through middleware, layouts, loading, and page rendering helps diagnose bottlenecks, auth flow issues, and data-fetching problems across the App Router.

Core Features & Use Cases

  • Trace middleware checks and route resolution for a given path.
  • Inspect render order across layouts and pages, including server and client components.
  • Identify potential slow data fetches, missing loading states, or late auth checks.
  • Useful for debugging route-specific performance, access control, and data flow.

Quick Start

Invoke the Skill with a route path, for example /debug-route /dashboard/settings to print the full render order and detected issues.

Frequently Asked Questions about debug-route

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I trace a Next.js App Router route lifecycle from middleware to page rendering?

You can trace a Next.js route lifecycle by inspecting the incoming request path through middleware, layouts, loading states, and page rendering. This identifies server versus client components, maps the render order, and flags potential data fetching or auth issues.

How do I debug slow data fetches and auth flow issues in Next.js server components?

Debug slow data fetches and auth flow issues in Next.js server components by inspecting the route render order. This identifies missing loading states, late auth checks, and data source bottlenecks across the App Router.

Can I inspect the render order of layouts and pages in a Next.js App Router project?

Yes, you can inspect the render order of layouts and pages in a Next.js App Router project. The analysis maps the sequence of server and client component rendering to flag performance or access control issues.

What is the best way to diagnose Next.js middleware behavior and route resolution?

The best way to diagnose Next.js middleware behavior and route resolution is to trace the complete route lifecycle. This documents middleware checks, caching behavior, and auth constraints for a specified path.

How do I identify server versus client components when debugging a Next.js route?

Identify server versus client components during a Next.js route trace by inspecting the code for the specified path. This documents data sources and render order while enforcing safety constraints across the App Router.