cloudflare · Cloudflare Workers Docs

Workers Debugging

Methods for debugging Cloudflare Workers during local development using either the built-in browser-based DevTools via a /debug route or configuring VS Code with a launch.json file for breakpoint debugging.

Import to Prompt Buddy

Derived skill

Files assembled from official documentation

Viewing SKILL.md

Workers Debugging

When To Use

Use when you need to set up breakpoint debugging in VS Code or access Chrome DevTools for Workers running via the Vite plugin during local development.

Reference Files

File	Contains	Use For
`SKILL.md`	Entry point: scope, routing table, and workflow.	Start here.
`docs/workers-vite-plugin-debugging-workflow-guide.md`	A guide explaining how to debug Cloudflare Workers using DevTools and VS Code with the Vite plugin.	Questions about a guide explaining how to debug Cloudflare Workers using DevTools and VS Code with the Vite plugin.
`examples/workers-vite-plugin-debugging-cloudflare-workers-vite-plugin-vscode-laun.text`	A VS Code launch configuration JSON object for attaching a debugger to a Cloudflare Workers project using the Vite plugin.	Exact payloads, commands, or snippets shown in A VS Code launch configuration JSON object for attaching a debugger to a Cloudflare Workers project using the Vite pl...

What This Skill Covers

The Cloudflare Vite plugin has debugging enabled by default and listens on port 9229. You may choose a custom port or disable debugging by setting the inspec...
Main sections: DevTools, VS Code.

Workflow

Open the most relevant file under docs/ for the exact documented workflow and wording.
Open schemas/ files for exact structured contracts.
Open examples/ files for concrete requests, commands, snippets, and manifests.
Do not add behavior or configuration that is not present in the attached source files.

Canonical source: https://developers.cloudflare.com/workers/vite-plugin/reference/debugging