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 MadAppGang/claude-code --skill ui-analysegit clone --depth 1 https://github.com/MadAppGang/claude-codeWrote 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/madappgang/claude-code/ui-analyse)<a href="https://agentmods.dev/skills/madappgang/claude-code/ui-analyse"><img src="https://agentmods.dev/badge/skills/madappgang/claude-code/ui-analyse/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/madappgang/claude-code/ui-analyse"><img src="https://agentmods.dev/badge/skills/madappgang/claude-code/ui-analyse.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00046 | $0.02069 |
| Opus 5.5 | $0.00018 | $0.00828 |
| Sonnet 5.5 | $0.00009 | $0.00414 |
| Haiku 4.5 | $0.00005 | $0.00207 |
Grade A, and why
ui-analyse scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 292 lines — stays where its author put it; the contents beside it link to each section on GitHub.
UI Analysis Skill
Overview
This skill provides patterns for analyzing UI designs visually using Gemini 3 Pro Preview. It is analysis-only - for implementing improvements, use dev:ui-implement.
Relationship to Other Skills
| Skill | Purpose | Modifies Code? |
|---|---|---|
| dev:ui-analyse | Visual analysis, issue detection | No |
| dev:ui-implement | Apply improvements from analysis | Yes |
| dev:ui-style-format | Style file specification | No |
| dev:design-references | Reference image management | No |
Provider Selection
Detection Logic
detect_gemini_provider() {
# Priority 1: Gemini Direct API (lowest latency)
if [[ -n "$GEMINI_API_KEY" ]]; then
echo "g/gemini-3-pro-preview"
return 0
fi
# Priority 2: OpenRouter (requires or/ prefix)
if [[ -n "$OPENROUTER_API_KEY" ]]; then
echo "or/google/gemini-3-pro-preview"
return 0
fi
# Priority 3: Vertex AI
if [[ -n "$GOOGLE_APPLICATION_CREDENTIALS" ]]; then
echo "vertex/gemini-3-pro-preview"
return 0
fi
# Priority 4: Gemini OAuth (check claudish)
if npx claudish --list-accounts 2>/dev/null | grep -q "gemini"; then
echo "g/gemini-3-pro-preview"
return 0
fi
# No provider
return 1
}
Model Prefix Reference
| Prefix | Provider | Env Var | Notes |
|---|---|---|---|
g/ |
Gemini Direct | GEMINI_API_KEY | Lowest latency |
or/ |
OpenRouter | OPENROUTER_API_KEY | Avoids google/ collision |
vertex/ |
Vertex AI | GOOGLE_APPLICATION_CREDENTIALS | Enterprise |
Error Messages by Provider
| Provider | Missing | Error Message | Setup Instructions |
|---|---|---|---|
| gemini_direct | GEMINI_API_KEY | "Gemini API key not found" | export GEMINI_API_KEY="your-key" from aistudio.google.com |
| openrouter | OPENROUTER_API_KEY | "OpenRouter API key not found" | export OPENROUTER_API_KEY="your-key" from openrouter.ai |
| vertex_ai | GOOGLE_APPLICATION_CREDENTIALS | "Google Cloud credentials not configured" | gcloud auth application-default login |
| gemini_oauth | OAuth session | "No Gemini OAuth session" | claudish auth gemini |
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.
- 1mo ago First seen · 292 lines · 46 tokens per session scan A 6be9a481f376
ui-analyse is a skill published in the GitHub repository MadAppGang/claude-code (286 stars, last pushed 7mo ago), licensed MIT. It adds 46 tokens to every session and 2,069 once invoked, about $0.0002 per session on Opus 5.5. 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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