web-design-guidelines
Review UI code for Web Interface Guidelines compliance by the Vercel engineering team. Covers layout, typography, color, motion, and accessibility for product UI.
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/nexu-io/open-design --skill web-design-guidelines- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads web-design-guidelines automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
Security audits
Independent scans of the skill's instructions and bundled files.
SKILL.md
The instructions your agent reads when the skill is triggered.
Web Interface Guidelines
Review files for compliance with Web Interface Guidelines.
How It Works
- Load the pinned guidelines from
references/guidelines.md— this is the default, reproducible execution path - Optionally, fetch the latest guidelines from the upstream URL below and diff against the pinned snapshot to see if anything has changed
- Read the specified files (or prompt user for files/pattern)
- Check against all rules in the guidelines
- Output findings in the terse
file:lineformat
Guidelines Source
Default (pinned): The vendored copy at references/guidelines.md is the default execution path. It is a pinned snapshot of the upstream guidelines and guarantees the skill produces reproducible results in any runtime environment.
Upstream (live): For users who want the very latest rules, the live source is available at:
https://raw.githubusercontent.com/vercel-labs/web-interface-guidelines/main/command.md
Fetching the live version is optional — the pinned snapshot is always the baseline.
Usage
When a user provides a file or pattern argument:
- Load
references/guidelines.mdas the default source - Optionally fetch the upstream URL to check for updates
- Read the specified files
- Apply all rules from the guidelines
- Output findings using the format specified in the guidelines
If no files specified, ask the user which files to review.
FAQ
What does the web-design-guidelines skill do?
Review UI code for Web Interface Guidelines compliance by the Vercel engineering team. Covers layout, typography, color, motion, and accessibility for product UI.
How do I install web-design-guidelines?
Run npx skills add https://github.com/nexu-io/open-design --skill web-design-guidelines in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/web-design-guidelines/ (personal) or .claude/skills/web-design-guidelines/ (project).
Which AI agents can use web-design-guidelines?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is web-design-guidelines safe to install?
Security partners have reviewed it: Gen Agent Trust Hub passed; Socket passed; Snyk flagged items to review. As with any skill, read the SKILL.md and bundled scripts before installing.
Who maintains web-design-guidelines?
It is published by nexu-io in nexu-io/open-design. It has 3,942 recorded installs.
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