firefox-extension-dev

name

firefox-extension-dev

description

Reference knowledge base for Firefox WebExtension development. Contains browser API reference, manifest schema, AMO publishing guide, MDN URL index, and best practices. Used by the firefox-extension-dev agent for documentation lookup. TRIGGER WHEN: building, implementing, writing, coding, creating, debugging, or publishing a Firefox/WebExtension add-on (manifest.json, browser.* APIs, AMO submission, web-ext CLI). DO NOT TRIGGER WHEN: targeting Chrome-only extensions, Safari extensions, or userscripts/bookmarklets.

Firefox Extension Development References

This skill provides reference files for the firefox-extension-dev agent. The agent handles all active development work (scaffolding, coding, debugging, publishing). These reference files serve as its knowledge base.

Reference Files

• references/browser-api-reference.md - Complete list of all 51 browser.* APIs with methods, events, and permissions
• references/manifest-schema.md - Full manifest.json key reference with MV2/MV3 examples
• references/amo-publishing.md - AMO publishing checklist, review policies, CSP, security best practices, i18n
• references/mdn-api-urls.md - Direct MDN URL index for all browser.* APIs, manifest keys, and Extension Workshop resources
• references/best-practices.md - Best practices, pitfalls, and anti-patterns: JS patterns, Workers, sessions, startup, security, performance, cross-browser