Build and operate Domino UI Extensions (mount Domino Apps in the shell with page context). Covers extension_manifest.json, official installer vs manual Extension API, publish and identity requirements, auth and host splits, and beta REST routes. Use when creating an Extension, wiring mount points, publishing an Extension App from a project, or automating Extension install lifecycle.
Install
npx skills add dominodatalab/domino-claude-plugin --skill domino-extensionsnpx skills add dominodatalab/domino-claude-plugin --skill domino-extensions -a claude-code -gnpx skills add dominodatalab/domino-claude-plugin --skill domino-extensions -a codex -ggemini skills install https://github.com/dominodatalab/domino-claude-plugin.git --path skills/domino-extensionsgh skill install dominodatalab/domino-claude-plugin domino-extensionsgit clone --depth 1 https://github.com/dominodatalab/domino-claude-plugin /tmp/dominodatalab__domino-claude-plugin
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/dominodatalab__domino-claude-plugin/skills/domino-extensions ~/.claude/skills/domino-extensions # Claude Code
cp -R /tmp/dominodatalab__domino-claude-plugin/skills/domino-extensions ~/.agents/skills/domino-extensions # Codex, Cursor, Gemini CLI, Copilot, OpenCode