Expert in building browser extensions that solve real problems - Chrome, Firefox, and cross-browser extensions. Covers extension architecture, manifest v3, content scripts, popup UIs, monetization strategies, and Chrome Web Store publishing. Use when: browser extension, chrome extension, firefox addon, extension, manifest v3.
Install
npx skills add davila7/claude-code-templates --skill browser-extension-buildernpx skills add davila7/claude-code-templates --skill browser-extension-builder -a claude-code -gnpx skills add davila7/claude-code-templates --skill browser-extension-builder -a codex -ggemini skills install https://github.com/davila7/claude-code-templates.git --path cli-tool/components/skills/utilities/browser-extension-buildergh skill install davila7/claude-code-templates browser-extension-buildergit clone --depth 1 https://github.com/davila7/claude-code-templates /tmp/davila7__claude-code-templates
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/davila7__claude-code-templates/cli-tool/components/skills/utilities/browser-extension-builder ~/.claude/skills/browser-extension-builder # Claude Code
cp -R /tmp/davila7__claude-code-templates/cli-tool/components/skills/utilities/browser-extension-builder ~/.agents/skills/browser-extension-builder # Codex, Cursor, Gemini CLI, Copilot, OpenCode