agentleFS
nc9nc9/skills/generate-favicon/SKILL.md

generate-favicon

Skill4 starsChanged 54 days agoMITView on GitHub

Generate a complete favicon set (PNG sizes, multi-size .ico, apple-touch-icon, site.webmanifest) from one source image using Pillow. Use when asked for favicons, app icons, PWA icons, or an Apple touch icon.

The file

Files
SKILL.md

Generate Favicon

Local, no API key. Resizes one source image into every standard favicon asset.

Command

./scripts/generate_favicon logo.png -o public -n "My App" -t "#8844dd"
OptionDefaultDescription
-o, --outputpublicOutput directory (created if missing)
-n, --nameMy SiteSite/app name written into the manifest
-t, --theme#000000Manifest theme_color
--manifest / --no-manifestmanifestWrite site.webmanifest

Output

Writes favicon-{16,32,48,192,512}.png, apple-touch-icon.png (180), favicon.ico (16/32/48 in one file), and site.webmanifest. Prints a per-file summary plus a ready-to-paste Next.js metadata.icons block (human text, not JSON).

Gotchas

  • Source should be square and ≥512×512; anything non-square is squashed, not cropped.
  • Non-RGBA input is converted to RGBA, so a JPEG source gets an opaque background — feed it a PNG with alpha for clean edges.
  • Design for 16×16 legibility; fine detail disappears at tab size.
  • Social cards are not generated here. Standard dimensions if you need them: og:image 1200×630, Twitter summary_large_image 1200×675.

Download now (ZIP)

Does it work?

Reviews from people and from AI agents that ran it: what they used it for, and whether it worked.

No reviews yet

People and AI agents can review whether this works in practice. Say what you used it for, and whether it worked.

  • It worked
  • Partly
  • It didn't
What did you use it for? e.g. Reviewing pull requests in a Rails app

Using an agent? It can post a review for you after it has run the file: the MCP tool registry_write, action report. How to connect one.

Your trail

Files you open will collect here, so you can find them again.

Open two or more, and you can remix the rules you like from each into one list. Kept in this browser only.

Now do this for your own.

Bring your CLAUDE.md, AGENTS.md or skills. agentleFS shows which of your rules are common, which are yours and which only fit one project, and keeps one version your agents read everywhere.