AI Agent Skill HUB
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browser-extension-developer

Use this skill when developing or maintaining browser extension code in the `browser/` directory, including Chrome/Firefox/Edge compatibility, content scripts, background scripts, or i18n updates.

231 stars
byaiskillstore
View on GitHubInstallation ↓

Installation

Claude Code / Cursor / Codex

$curl -o ~/.claude/skills/browser-extension-developer/SKILL.md --create-dirs "https://raw.githubusercontent.com/aiskillstore/marketplace/main/skills/yamadashy/browser-extension-developer/SKILL.md"

Manual Installation

  1. Download SKILL.md from GitHub
  2. Place it in .claude/skills/browser-extension-developer/SKILL.md inside your project
  3. Restart your AI agent — it will auto-discover the skill

How browser-extension-developer Compares

Feature / Agentbrowser-extension-developerStandard Approach
Platform SupportmultiLimited / Varies
Context Awareness High Baseline
Installation ComplexityUnknownN/A

Frequently Asked Questions

What does this skill do?

Use this skill when developing or maintaining browser extension code in the `browser/` directory, including Chrome/Firefox/Edge compatibility, content scripts, background scripts, or i18n updates.

Which AI agents support this skill?

This skill is compatible with multi.

Where can I find the source code?

You can find the source code on GitHub using the link provided at the top of the page.

SKILL.md Source

# Browser Extension Developer

Cross-browser extension (Chrome/Firefox/Edge) using **WXT framework** with Manifest V3. Injects "Repomix" button into GitHub repository pages.

## Structure

```plaintext
browser/
├── entrypoints/       # background.ts, content.ts
├── public/_locales/   # i18n (12 languages)
├── wxt.config.ts      # WXT configuration
└── .output/           # Built files (chrome-mv3, firefox-mv2)
```

## Commands

- `npm run dev` - Development mode (Chrome default)
- `npm run dev:firefox` - Firefox dev mode
- `npm run build-all` - Build all browsers
- `npm run lint` / `npm run test`

## i18n

12 languages: en, ja, de, fr, es, pt_BR, id, vi, ko, zh_CN, zh_TW, hi

New language: Create `public/_locales/[code]/messages.json` with keys: appDescription, openWithRepomix

## Notes

- Chrome/Edge use `chrome.*` APIs, Firefox may need polyfills
- Run lint and tests before completion