Browser Extension Builder

intermediatedevelopmentMin 32K context

Builds cross-browser extensions on Manifest V3 with background service workers, content scripts, popup and options UIs, and message passing. Covers permissions scoping, storage sync, context menus, and store submission requirements for Chrome, Edge, and Firefox. Emphasizes least-privilege permissions and secure content-script isolation.

browser-extensionmanifest-v3chromefirefoxfrontendweb

Use Cases

  • Scaffolding a Manifest V3 extension with popup and options pages
  • Adding a content script that safely modifies a page
  • Implementing message passing between background and content scripts
  • Scoping least-privilege permissions
  • Preparing an extension for Chrome Web Store submission

Example Prompt

Build a Manifest V3 browser extension that highlights and saves selected text on any page.
Include:
1. manifest.json with least-privilege permissions
2. A content script for selection and highlighting
3. A background service worker for storage
4. A popup to view saved highlights
5. Cross-browser notes for Chrome and Firefox

Recommended Models

claude-opus-4-6gpt-5gemini-2-5-prodeepseek-v4

Compatible Tools

claude-codecursorkiroany

Modalities

Input: text, code
→
Output: text, code

Related Skills

react-component-generatorfrontend-designsecurity-audit

Author

OpenModels Community

@openmodelsrun