UI Craft
MemTensor/memmy-agent
Design, build, redesign, or modify browser-visible web interfaces with product-quality composition, visual systems, interaction states, responsive behavior, accessibility, and browser visual QA.
Screenshot comparison QA for frontend development. An agent skill from vibeeval/vibecosystem.
$ npx skills add vibeeval/vibecosystem --skill visual-verdict -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install vibeeval/vibecosystem visual-verdict --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/vibeeval/vibecosystem.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/visual-verdict .claude/skills/visual-verdict && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "visual-verdict" agent skill from https://github.com/vibeeval/vibecosystem/tree/main/skills/visual-verdict into .claude/skills/visual-verdict/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "visual-verdict", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/vibeeval/vibecosystem/tree/main/skills/visual-verdictType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add vibeeval/vibecosystem --skill visual-verdict -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install vibeeval/vibecosystem visual-verdict --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/vibeeval/vibecosystem.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/visual-verdict .agents/skills/visual-verdict && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "visual-verdict" agent skill from https://github.com/vibeeval/vibecosystem/tree/main/skills/visual-verdict into .agents/skills/visual-verdict/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "visual-verdict", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add vibeeval/vibecosystem --skill visual-verdict -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install vibeeval/vibecosystem visual-verdict --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/vibeeval/vibecosystem.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/visual-verdict .cursor/skills/visual-verdict && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "visual-verdict" agent skill from https://github.com/vibeeval/vibecosystem/tree/main/skills/visual-verdict into .cursor/skills/visual-verdict/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "visual-verdict", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/vibeeval/vibecosystem.git --path skills/visual-verdict--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add vibeeval/vibecosystem --skill visual-verdict -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install vibeeval/vibecosystem visual-verdict --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/vibeeval/vibecosystem.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/visual-verdict .gemini/skills/visual-verdict && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "visual-verdict" agent skill from https://github.com/vibeeval/vibecosystem/tree/main/skills/visual-verdict into .gemini/skills/visual-verdict/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "visual-verdict", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install vibeeval/vibecosystem visual-verdictInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add vibeeval/vibecosystem --skill visual-verdict -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/vibeeval/vibecosystem.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/visual-verdict .github/skills/visual-verdict && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "visual-verdict" agent skill from https://github.com/vibeeval/vibecosystem/tree/main/skills/visual-verdict into .github/skills/visual-verdict/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "visual-verdict", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add vibeeval/vibecosystem --skill visual-verdict -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install vibeeval/vibecosystem visual-verdict --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/vibeeval/vibecosystem.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/visual-verdict .opencode/skills/visual-verdict && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "visual-verdict" agent skill from https://github.com/vibeeval/vibecosystem/tree/main/skills/visual-verdict into .opencode/skills/visual-verdict/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "visual-verdict", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
visual-verdictScreenshot comparison QA for frontend development. An agent skill from vibeeval/vibecosystem.
Visual Verdict is an agent skill from vibeeval/vibecosystem. Screenshot comparison QA for frontend development. Takes a screenshot of the current implementation, scores it across multiple visual dimensions, and returns a structured PASS/REVISE/FAIL verdict with concrete fixes. Use when implementing UI from a design reference or verifying visual correctness.
Its SKILL.md is about 2.4k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It sits in Frontend & Design, covering Visual regression testing, Frontend development and Responsive design. It works with Model Context Protocol. The repository describes itself as: AI software team for Claude Code - 138 agents, 295 skills, 73 hooks. Self-learning, multi-agent swarm, autonomous skill evolution. The licence is MIT.
Read from SKILL.md and the folder at commit 3b763b1. It shows what the files ask for, not the result of running them.
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
No scripts in the folder and no shell commands in SKILL.md (its code samples are markdown, javascript and bash).
From the folder's file list and the shell code blocks in SKILL.md.
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Visual Verdict loads about 2.4k tokens when it runs. Until then it costs about 78 tokens; SKILL.md has 635 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
The full file from vibeeval/vibecosystem at commit 3b763b1, republished under its MIT licence (© vibeeval). 635 words, ~2,367 tokens.
.claude/skills/visual-verdict/SKILL.md (or your agent's skills folder).Pixel-imprecise human eyes miss visual bugs. This skill provides structured, scored visual review using screenshots, returning actionable verdicts rather than vague impressions.
1. Take screenshot of current implementation
2. Load reference (design mockup, Figma export, or previous version)
3. Score against 6 dimensions (0-100 each)
4. Compute weighted total score
5. Issue verdict: PASS (90+) / REVISE (60-89) / FAIL (<60)
6. List concrete mismatches with file + line fix hints
7. Loop: frontend-dev fixes → new screenshot → rescore → repeat until PASS~/.mcp.json)| Dimension | Weight | Description |
|---|---|---|
| Layout accuracy | 0.25 | Positioning, spacing, alignment of all elements |
| Typography | 0.15 | Font family, size, weight, line-height, letter-spacing |
| Color accuracy | 0.15 | Background, text, border, shadow, gradient colors |
| Responsive behavior | 0.15 | Breakpoint transitions, mobile/tablet rendering |
| Interactive states | 0.15 | Hover, focus, active, disabled, loading states |
| Content completeness | 0.15 | All text, images, icons, labels present |
total = (layout * 0.25) + (typography * 0.15) + (color * 0.15)
+ (responsive * 0.15) + (interactive * 0.15) + (content * 0.15)Layout accuracy
Typography
Color accuracy
Responsive behavior
Interactive states
Content completeness
| Verdict | Score | Meaning |
|---|---|---|
| PASS | 90-100 | Acceptable for production |
| REVISE | 60-89 | Needs fixes, not shippable |
| FAIL | 0-59 | Major rework required |
## Visual Verdict: [Component/Page Name]
**Score: 85/100 — REVISE**
**Attempt: 2/5**
**Previous score: 72 (+13 this iteration)**
### Dimension Scores
| Dimension | Score | Weight | Weighted | Issues |
|-----------|-------|--------|----------|--------|
| Layout | 92 | 0.25 | 23.0 | Minor padding on mobile |
| Typography | 68 | 0.15 | 10.2 | Wrong font-weight on H2 |
| Color | 96 | 0.15 | 14.4 | - |
| Responsive | 80 | 0.15 | 12.0 | Card grid breaks at 768px |
| Interactive | 82 | 0.15 | 12.3 | Missing hover on CTA |
| Content | 91 | 0.15 | 13.7 | - |
| **TOTAL** | | | **85.6** | |
### Concrete Mismatches (prioritized by impact)
1. **[Typography / HIGH]** H2 hero heading
Expected: `font-weight: 700`
Actual: `font-weight: 400` (normal weight)
Fix: `src/components/Hero.tsx` → add `font-bold` class to `<h2>`
2. **[Responsive / MEDIUM]** Card grid layout
Expected: 3-column grid collapses at 1024px
Actual: Collapses at 768px — causes overflow between 768-1024
Fix: `src/components/CardGrid.tsx` → change `md:grid-cols-3` to `lg:grid-cols-3`
3. **[Interactive / MEDIUM]** Primary CTA button
Expected: Darker background on hover (`bg-blue-700`)
Actual: No hover state change
Fix: `src/components/Hero.tsx` → add `hover:bg-blue-700 transition-colors` to CTA
4. **[Layout / LOW]** Mobile padding
Expected: 16px horizontal padding on mobile
Actual: 12px
Fix: `src/components/Layout.tsx` → change `px-3` to `px-4`
### Next Steps
Fix issues 1-3 above, then call visual-verdict again.
Estimated score after fixes: ~94 (PASS)Use browser-use MCP:
1. Navigate to implementation URL (e.g., http://localhost:3000/dashboard)
2. Wait for page fully loaded (no spinners)
3. Take full-page screenshot
4. Save to /tmp/verdict-current-{timestamp}.pngThree reference types accepted:
Figma PNG export: Designer exports component/page as PNG at 2x
Reference path: ~/Desktop/designs/dashboard-v2.pngPrevious production screenshot: Regression check
Reference path: ~/.claude/benchmarks/screenshots/dashboard-prod.pngLive URL comparison: Compare two running versions
Reference URL A: http://localhost:3000/dashboard (current)
Reference URL B: https://staging.app.com/dashboard (baseline)Always test at these three widths unless told otherwise:
| Name | Width | Target |
|---|---|---|
| Mobile | 375px | iPhone SE |
| Tablet | 768px | iPad portrait |
| Desktop | 1440px | Standard laptop |
The typical iteration loop:
frontend-dev implements component
→ visual-verdict takes screenshot + scores
→ REVISE: sends concrete fix list to frontend-dev
→ frontend-dev applies fixes
→ visual-verdict rescores
→ Repeat until PASS (max 5 iterations)
→ PASS: task marked completeMaximum 5 iterations per component. If PASS is not reached after 5 attempts:
ESCALATION: Visual QA failed after 5 iterations
Component: [name]
Best score achieved: [score]
Blocker: [specific issue that keeps failing]
Recommendation: [designer clarification needed / fundamentally wrong approach]When cloning an external site, visual-verdict is the quality gate:
1. clone-website skill produces initial implementation
2. visual-verdict screenshots both original and clone
3. Scores similarity across all 6 dimensions
4. REVISE verdict triggers targeted fixes
5. PASS verdict confirms clone is production-readyColor is compared by extracting computed CSS values and comparing:
Reference color: #1D4ED8 (rgb 29, 78, 216)
Actual color: #2563EB (rgb 37, 99, 235)
Delta E (perceived): 6.2 — noticeable, score -15Delta E thresholds:
Typography is checked by reading computed styles, not pixels:
// Extract from running implementation
const element = document.querySelector('.hero-title')
const styles = window.getComputedStyle(element)
{
fontFamily: styles.fontFamily, // Compare against reference
fontSize: styles.fontSize, // "32px" vs expected "36px"
fontWeight: styles.fontWeight, // "400" vs expected "700"
lineHeight: styles.lineHeight, // "1.5" vs expected "1.25"
letterSpacing: styles.letterSpacing // "normal" vs expected "-0.02em"
}px-3 when design shows px-4After a PASS verdict, save the screenshot as the new baseline:
cp /tmp/verdict-current-{timestamp}.png \
~/.claude/benchmarks/screenshots/{component-name}-{date}.pngOn the next change, this saved screenshot becomes the reference for regression comparison.
Remember: A visual that looks "pretty close" in a quick glance often has 3-5 compounding issues that add up to a broken experience. Score it. Trust the number, not the impression.
© vibeeval, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Just SKILL.md in skills/visual-verdict of vibeeval/vibecosystem.
Open the folder on GitHubat commit 3b763b1
Visual Verdict next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Visual Verdict this skillvibeeval/vibecosystem | 531 | — | ~2.4k | Automated safety check: Pass | MIT | |
| UI CraftMemTensor/memmy-agent | 2.1k | — | ~2.9k | Automated safety check: Pass | MIT | |
| Browser QAaffaan-m/ECC | 275k | 2 repos | ~1k | Automated safety check: Pass | MIT | |
| Common Web Visual TestingHoangNguyen0403/agent-skills-standard | 571 | — | ~760 | Automated safety check: Pass | MIT | |
| Frontend Design Routercode-yeongyu/oh-my-openagent | 70k | — | ~5.3k | Automated safety check: Pass | Custom licence | |
| Refero Designreferodesign/refero_skill | 295 | — | ~5.3k | Automated safety check: Pass | MIT |
MemTensor/memmy-agent
Design, build, redesign, or modify browser-visible web interfaces with product-quality composition, visual systems, interaction states, responsive behavior, accessibility, and browser visual QA.
affaan-m/ECC
Run automated post-deploy UI verification with a browser automation MCP (claude-in-chrome, Playwright, or Puppeteer): console-error and Core Web Vitals smoke checks, form and auth-flow interaction…
HoangNguyen0403/agent-skills-standard
Standardizes visual audits, responsive design, and behavioral testing for web apps.
code-yeongyu/oh-my-openagent
Routes frontend and UI work through design reference rulesets, with a design-system gate plus layout and print guidance, before any UI code is written.
referodesign/refero_skill
Primary/default skill for UI design, product design, web design, landing pages, dashboards, product screens, redesigns, visual polish, frontend/CSS styling, design systems, components, responsive…
marvkr/better-design
Build, improve, and review production interfaces with the Better Design MCP.
vibeeval/vibecosystem
Framework for measuring and tracking agent response quality over time.
vibeeval/vibecosystem
Security-focused differential code review with blast radius analysis, risk-adaptive depth (DEEP/FOCUSED/SURGICAL), git history correlation, and structured finding format.
vibeeval/vibecosystem
A skill your agent uses when making any factual claim about the codebase — existence, absence, or behavior.
vibeeval/vibecosystem
Systematic false positive verification for security findings.
vibeeval/vibecosystem
n8n otomasyon workflow'lari. An agent skill from vibeeval/vibecosystem.
vibeeval/vibecosystem
A skill your agent uses when context compression is imminent, when resuming a session, or when preserving critical decisions across long tasks.
Works with
Categories
Screenshot comparison QA for frontend development. An agent skill from vibeeval/vibecosystem. Visual Verdict is an agent skill from vibeeval/vibecosystem. Screenshot comparison QA for frontend development.
Visual Verdict fits situations like: implementing UI from a design reference; verifying visual correctness.
Run `npx skills add vibeeval/vibecosystem --skill visual-verdict -a claude-code`. Or copy the skill folder (skills/visual-verdict in vibeeval/vibecosystem) into .claude/skills/visual-verdict in your project. Claude Code loads it when a task matches its description.
Run `npx skills add vibeeval/vibecosystem --skill visual-verdict -a codex`. Or copy the skill folder (skills/visual-verdict in vibeeval/vibecosystem) into .agents/skills/visual-verdict in your project. Codex loads it when a task matches its description.
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add vibeeval/vibecosystem --skill visual-verdict -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/visual-verdict, .gemini/skills/visual-verdict, .github/skills/visual-verdict and .opencode/skills/visual-verdict in your project.
SKILL.md names no scripts, command-line tools or credentials: Visual Verdict is instructions for the agent only.
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
Visual Verdict is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
About 2.4k tokens (SKILL.md is roughly 9.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
Skills that share tags, products or a category with Visual Verdict: UI Craft (MemTensor/memmy-agent, 2.1k stars), Browser QA (affaan-m/ECC, 275k stars), Common Web Visual Testing (HoangNguyen0403/agent-skills-standard, 571 stars) and Frontend Design Router (code-yeongyu/oh-my-openagent, 70k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
vibeeval (a GitHub user) maintains it in vibeeval/vibecosystem, which has 531 GitHub stars. The repository holds 12 skills in this directory. The repository was last updated on August 8, 2026.
Source: vibeeval/vibecosystem on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.