MUST activate to localize / internationalize a uiBundles/*/src/ project (React or Angular): extract hardcoded user-facing strings into Custom Labels, wire a runtime i18n library over the Platform SDK backend, add labels for another language, or troubleshoot label rendering across locales.
Install
npx skills add forcedotcom/sf-skills --skill experience-ui-bundle-localizenpx skills add forcedotcom/sf-skills --skill experience-ui-bundle-localize -a claude-code -gnpx skills add forcedotcom/sf-skills --skill experience-ui-bundle-localize -a codex -ggemini skills install https://github.com/forcedotcom/sf-skills.git --path skills/experience-ui-bundle-localizegh skill install forcedotcom/sf-skills experience-ui-bundle-localizegit clone --depth 1 https://github.com/forcedotcom/sf-skills /tmp/forcedotcom__sf-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/forcedotcom__sf-skills/skills/experience-ui-bundle-localize ~/.claude/skills/experience-ui-bundle-localize # Claude Code
cp -R /tmp/forcedotcom__sf-skills/skills/experience-ui-bundle-localize ~/.agents/skills/experience-ui-bundle-localize # Codex, Cursor, Gemini CLI, Copilot, OpenCode