Web Design Guidelines
Audit UI source files against Vercel’s live Web Interface Guidelines and get terse file:line findings before you ship or iterate on accessibility and UX.
Install
npx skills add https://github.com/vercel-labs/sandcastle --skill web-design-guidelinesWhat is this skill?
- Fetches the latest rules from Vercel’s web-interface-guidelines command.md before every run
- Reviews user-supplied files or globs against the full fetched guideline set
- Outputs findings in terse file:line format per the upstream guideline spec
- Covers accessibility, UX, and web interface best practices in one pass
- Prompts for file targets when none are provided
Adoption & trust: 6 installs on skills.sh; 48 GitHub stars; 2/3 security scanners passed (skills.sh audits).
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Journey fit
Primary fit
Canonical shelf is Ship because the skill is invoked as a pre-release quality gate on existing UI code—review, accessibility, and UX audit requests map to code review before launch. Review subphase fits checklist-driven compliance passes on components and pages rather than greenfield layout work in Build.
Common Questions / FAQ
Is Web Design Guidelines safe to install?
skills.sh reports 2 of 3 security scanners passed. Review the Security Audits panel on this page before installing in production.
SKILL.md
READMESKILL.md - Web Design Guidelines
# Web Interface Guidelines Review files for compliance with Web Interface Guidelines. ## How It Works 1. Fetch the latest guidelines from the source URL below 2. Read the specified files (or prompt user for files/pattern) 3. Check against all rules in the fetched guidelines 4. 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: 1. Fetch guidelines from the source URL above 2. Read the specified files 3. Apply all rules from the fetched guidelines 4. Output findings using the format specified in the guidelines If no files specified, ask the user which files to review.