Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add J-StaR-Films-Studios/VibeCode-Protocol-Suite --skill frontend-uigit clone --depth 1 https://github.com/J-StaR-Films-Studios/VibeCode-Protocol-SuiteWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/j-star-films-studios/vibecode-protocol-suite/frontend-ui)<a href="https://agentmods.dev/skills/j-star-films-studios/vibecode-protocol-suite/frontend-ui"><img src="https://agentmods.dev/badge/skills/j-star-films-studios/vibecode-protocol-suite/frontend-ui/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/j-star-films-studios/vibecode-protocol-suite/frontend-ui"><img src="https://agentmods.dev/badge/skills/j-star-films-studios/vibecode-protocol-suite/frontend-ui.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00047 | $0.00595 |
| Opus 5 | $0.00023 | $0.00298 |
| Sonnet 5 | $0.00009 | $0.00119 |
| Haiku 4.5 | $0.00005 | $0.00060 |
Grade A, and why
frontend-ui scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 6d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
Frontend UI Suite
Design systems, interactive component libraries, throwaway prototyping patterns, creative WebGL experiences, and responsive UI guidelines.
Sub-Skills
| Sub-Skill | Purpose | Path |
|---|---|---|
prototyping-variants |
Two-branch throwaway prototyping: Logic Simulator HTML demo & in-app UI variant switch bar | prototyping-variants/SKILL.md |
story-engineer |
Evidence-backed case-study and project-history narratives | story-engineer/SKILL.md |
creative-web-development |
Concept direction, experience architecture, motion, Canvas, WebGL, Three.js, and GLSL | creative-web-development/SKILL.md |
frontend-design |
Foundational frontend design principles and typography | frontend-design/SKILL.md |
ui-ux-pro-max |
High-end visual styling, animations, and micro-interactions | ui-ux-pro-max/SKILL.md |
21st-dev-components |
Modern UI component patterns from 21st.dev | 21st-dev-components/SKILL.md |
web-design-guidelines |
Usability, UX consistency, and accessibility standards | web-design-guidelines/SKILL.md |
building-native-ui |
React Native and Expo mobile UI development | building-native-ui/SKILL.md |
figma |
Figma asset inspection and translation to code | figma/SKILL.md |
stitch |
Component stitching and layout orchestration | stitch/SKILL.md |
component-analysis |
Auditing component composition and hierarchy | component-analysis/SKILL.md |
webapp-testing |
Playwright web application integration testing | webapp-testing/SKILL.md |
What ships with it
60 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
- 21st-dev-components/21st-handoff.md 2.0 KB
- 21st-dev-components/references/categories.md 4.9 KB
- 21st-dev-components/references/manual-handoff-template.md 1.6 KB
- 21st-dev-components/references/section-detection-rubric.md 2.3 KB
- 21st-dev-components/scripts/_shared.mjs 11 KB runs code
- 21st-dev-components/scripts/build-manual-handoff-template.mjs 2.5 KB runs code
- 21st-dev-components/scripts/fetch-21st-source.mjs 1.7 KB runs code
- 21st-dev-components/scripts/resolve-21st-component.mjs 4.3 KB runs code
- 21st-dev-components/SKILL.md 8.9 KB
- building-native-ui/references/animations.md 4.6 KB
- building-native-ui/references/controls.md 4.9 KB
- building-native-ui/references/form-sheet.md 5.4 KB
- building-native-ui/references/gradients.md 2.7 KB
- building-native-ui/references/icons.md 4.7 KB
- building-native-ui/references/media.md 6.1 KB
- building-native-ui/references/route-structure.md 5.0 KB
- building-native-ui/references/search.md 5.1 KB
- building-native-ui/references/storage.md 2.9 KB
- building-native-ui/references/tabs.md 7.8 KB
- building-native-ui/references/toolbar-and-headers.md 7.9 KB
- building-native-ui/references/visual-effects.md 4.2 KB
- building-native-ui/references/webgpu-three.md 14 KB
- building-native-ui/references/zoom-transitions.md 4.7 KB
- building-native-ui/SKILL.md 10 KB
- component-analysis/SKILL.md 2.6 KB
- creative-web-development/creative-web-development-portable.md 17 KB
- creative-web-development/references/canvas-and-particles.md 10 KB
- creative-web-development/references/concept-evaluation.md 5.5 KB
- creative-web-development/references/creative-direction.md 8.6 KB
- creative-web-development/references/examples.md 23 KB
- creative-web-development/references/hybrid-3d-cinematics.md 11 KB
- creative-web-development/references/motion-and-scroll.md 19 KB
- creative-web-development/references/performance-and-profiling.md 12 KB
- creative-web-development/references/shaders-and-glsl.md 7.3 KB
- creative-web-development/references/story-engineering.md 5.6 KB
- creative-web-development/references/terminology.md 22 KB
- creative-web-development/references/threejs-and-r3f.md 13 KB
- creative-web-development/SKILL.md 14 KB
- creative-web-development/synthesis-report.md 8.5 KB
- figma/SKILL.md 13 KB
- frontend-design/LICENSE.txt 9.9 KB
- frontend-design/SKILL.md 8.2 KB
- prototyping-variants/LOGIC.md 5.9 KB
- prototyping-variants/SKILL.md 2.9 KB
- prototyping-variants/UI.md 6.8 KB
- stitch/design-md/examples/DESIGN.md 11 KB
- stitch/design-md/README.md 1.2 KB
- stitch/design-md/SKILL.md 7.5 KB
- stitch/enhance-prompt/README.md 1.2 KB
- stitch/enhance-prompt/references/KEYWORDS.md 2.6 KB
- stitch/enhance-prompt/SKILL.md 6.5 KB
- stitch/react-components/examples/gold-standard-card.tsx 2.5 KB
- stitch/react-components/package-lock.json 7.0 KB
- stitch/react-components/package.json 355 B
- stitch/react-components/README.md 1.3 KB
- stitch/react-components/resources/architecture-checklist.md 613 B
- stitch/react-components/resources/component-template.tsx 1.0 KB
- stitch/react-components/resources/stitch-api-reference.md 1.2 KB
- stitch/react-components/resources/style-guide.json 496 B
- stitch/react-components/scripts/fetch-stitch.sh 1009 B runs code
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 6d ago First seen · 29 lines · 47 tokens per session scan A 26aa35feb1dc
frontend-ui is a skill published in the GitHub repository J-StaR-Films-Studios/VibeCode-Protocol-Suite (24 stars, last pushed 4d ago), licensed ISC. It adds 47 tokens to every session and 595 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.
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frontend-design
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frontend-design
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