Skill specification

Declared by Vercel in the package front matter. Trigger conditions are what the coding agent matches on before it loads the skill.

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Web design guidelines review SKILL.md front matter fields
Skill name	web-design-guidelines
Trigger conditions	Review UI code for Web Interface Guidelines compliance. Use when asked to "review my UI", "check accessibility", "audit design", "review UX", or "check my site against best practices".
Argument hint	<file-or-pattern>
Version	1.0.0
Author	vercel

Install web-design-guidelines

In a terminal with Node.js, npm and Git, run the command for your agent. The Skills CLI installs the complete package directory, including referenced files within it. Review its install prompt, then start a new agent session. A skill package does not set up an MCP server connection.

Codex

.agents/skills/web-design-guidelines/SKILL.md

Codex reads `.agents/skills/` as its primary location, which is also the cross-platform default other clients honour.

Project install

npx skills add 'https://github.com/vercel-labs/agent-skills/tree/main/skills/web-design-guidelines' --skill 'web-design-guidelines' --agent 'codex'

Install for all projects instead

Personal install

npx skills add 'https://github.com/vercel-labs/agent-skills/tree/main/skills/web-design-guidelines' --skill 'web-design-guidelines' --agent 'codex' --global

SKILL.md

View raw source

Source snapshot fetched 2026-09-04 from github.com/vercel-labs/agent-skills/tree/main/skills/web-design-guidelines. The install command fetches the upstream package, which may have changed since this snapshot.

Read full skill instructions

Web Interface Guidelines

Review files for compliance with Web Interface Guidelines.

How It Works

Fetch the latest guidelines from the source URL below
Read the specified files (or prompt user for files/pattern)
Check against all rules in the fetched guidelines
Output findings in the terse file:line format

Guidelines Source

Fetch fresh guidelines before each review:

https://raw.githubusercontent.com/vercel-labs/web-interface-guidelines/main/command.md

Use WebFetch to retrieve the latest rules. The fetched content contains all the rules and output format instructions.

Usage

When a user provides a file or pattern argument:

Fetch guidelines from the source URL above
Read the specified files
Apply all rules from the fetched guidelines
Output findings using the format specified in the guidelines

If no files specified, ask the user which files to review.

Web design guidelines review