How do I install the Update Preflight skill?

Run npx skillmds@latest add googlecloudplatform/update-preflight in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Update Preflight safe to use?

This skill has not completed SkillMD's automated safety review yet. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Update Preflight?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Update Preflight free to use?

Yes. Installing skills from SkillMD is free. This skill is licensed under Apache-2.

Who published Update Preflight?

GoogleCloudPlatform (@googlecloudplatform) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Update Preflight by googlecloudplatform

Name: Update Preflight
Author: GoogleCloudPlatform

Update Preflight

Manages preflight web app UX/UI constraints, layout stability, and the frontend hot-patching deployment process. Use when modifying HTML, CSS, or JS in the apps/workstations/preflight-web/ directory.

GoogleCloudPlatform da45dd3 3 files · 5.4 KB Updated Sep 17, 2026

File contents

Update Cloud Workstations Frontend

This skill manages the updates to the preflight web UI and ensures adherence to the repository's UX/UI standards.

UX/UI Standards

When modifying the frontend, you MUST strictly adhere to the authoritative UX/UI standards: 👉 Authoritative UX/UI Standards

Frontend Hot-patching Workflow

When modifying the preflight page or other web assets in the apps/workstations/preflight-web/ directory, use the following hot-patch script to provide immediate feedback on the live instance:

Execute: Run ./scripts/test_and_hotpatch.sh from the skill directory.
What it does: This script automatically runs the frontend test suite via Vitest (npm test). If successful, it builds the frontend assets via Vite (npm run build) and syncs the apps/workstations/preflight-web/dist/ directory to /var/www/html/ on your active workstation.
Validate: Refresh the browser and verify changes immediately on the live instance before concluding the task.

Frequently asked questions