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 ariadoss/superskills --skill favicongit clone --depth 1 https://github.com/ariadoss/superskillsWrote 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/ariadoss/superskills/favicon)<a href="https://agentmods.dev/skills/ariadoss/superskills/favicon"><img src="https://agentmods.dev/badge/skills/ariadoss/superskills/favicon/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/ariadoss/superskills/favicon"><img src="https://agentmods.dev/badge/skills/ariadoss/superskills/favicon.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 | $0.00077 | $0.01242 |
| Opus 5 | $0.00039 | $0.00621 |
| Sonnet 5 | $0.00015 | $0.00248 |
| Haiku 4.5 | $0.00008 | $0.00124 |
Grade A, and why
favicon-generator 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 9d 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.
This is a copy
100% identical to favicon-generator — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 104 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Components: Favicon
Guides favicon and app icon implementation for brand consistency across browser tabs, bookmarks, mobile home screens, and Google Search results. Favicons help users identify sites; missing or incorrect icons hurt trust.
When invoking: On first use, if helpful, open with 1-2 sentences on what this skill covers and why it matters, then provide the main output. On subsequent use or when the user asks to skip, go directly to the main output.
Initial Assessment
Check for project context first: If .claude/project-context.md or .cursor/project-context.md exists, read it for brand and visual identity.
Identify:
- Tech stack: Next.js, WordPress, static HTML, etc.
- PWA: Is the site a PWA or planning to be?
- Existing assets: Logo, icon files
Required Sizes
| Size | Use |
|---|---|
| 16x16 | Browser tabs, standard displays |
| 32x32 | Retina/HiDPI browser tabs |
| 180x180 | Apple Touch Icon (iOS home screen); no transparency |
| 192x192 | Android Chrome home screen, PWA launcher |
| 512x512 | PWA splash screens, adaptive icons |
Optional: 48x48, 96x96, 120x120, 152x152, 167x167, 256x256 for broader coverage.
Formats
| Format | Use |
|---|---|
| SVG | Modern browsers; scalable; supports dark mode via media queries; lightweight |
| PNG | High-DPI; explicit sizes; easy to generate; required for Apple Touch Icon |
| ICO | Legacy; bundles multiple sizes; fallback for older browsers |
Recommended: Provide SVG + PNG fallbacks. Never skip Apple Touch Icon (180x180); iOS shows a generic screenshot without it.
Google Search (SERP Display)
See serp-features for SERP feature types and optimization.
Favicons can appear in Google Search results next to your site's listings. Google Search Central requirements:
| Requirement | Guideline |
|---|---|
| Placement | Add <link rel="icon" href="/path/to/favicon.ico"> to homepage header |
| One per hostname | One favicon per hostname; example.com and code.example.com are separate; example.com/sub-site shares the same favicon |
| Crawlability | Googlebot-Image must crawl favicon; Googlebot must crawl homepage; do not block either in robots.txt |
| Shape | Square (1:1 aspect ratio); minimum 8x8px; preferably >48x48px for quality across platforms |
| Stable URL | Do not change favicon URL frequently |
| Appropriate | No inappropriate content (pornography, hate symbols); Google may replace with default icon |
| Timing | Crawling can take days to weeks; use Search Console URL Inspection to request indexing |
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.
- 9d ago First seen · 104 lines · 77 tokens per session scan A eb141095833b
favicon-generator is a skill published in the GitHub repository ariadoss/superskills (9 stars, last pushed 2d ago), licensed MIT. It adds 77 tokens to every session and 1,242 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to favicon-generator, differing in 0 lines, and is treated as a copy.
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