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Skillsraster-logo-svg

raster-logo-svg

Design & creation

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Updated 10-16 04:54

About this skill

raster-logo-svg

Create an SVG wrapper around an existing raster logo so the output is pixel-identical to the source. This is not true vectorization.

Choose the approach

Need Do
Match an existing raster logo exactly Embed (this skill)
Crisp at any size, editable paths Export from Figma/Illustrator, or commission true vector
Quick monochrome outline Potrace (usually wrong for brand logos with color/gold/type)
Hand-redrawn paths Only if no raster exists and user accepts approximation

Default to embed when a .webp, .png, or .jpg logo already exists and the user wants .svg.

Workflow

  1. Source of truth — keep the raster (e.g. docs/logo.webp). Do not delete it.
  2. Generate SVG — run the script from repo root or skill directory:
python3 skills/raster-logo-svg/scripts/embed-logo.py docs/logo.webp -o docs/logo.svg -l "project-name"

Requires ImageMagick (magick identify) for dimensions. Install: brew install imagemagick.

  1. README — prefer the raster in GitHub README for reliable rendering:
<img src="docs/logo.webp" alt="project-name" width="580" />

Use the SVG for plugin manifests, favicons, npm package icons, or anywhere a .svg path is required.

  1. Verify — open the SVG locally; it must look identical to the raster. Do not commit temp traces (icon-traced.svg, potrace output, failed hand-drawn attempts).

Output format

The script produces:

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 W H" role="img" aria-label="…">
  <image width="W" height="H" href="data:image/webp;base64,…"/>
</svg>
  • viewBox matches source pixel dimensions from magick identify.
  • MIME: image/webp, image/png, or image/jpeg from file extension.
  • Self-contained: no external href="logo.webp" (breaks when SVG is copied alone).

Tradeoffs (tell the user when relevant)

  • Pros: Perfect visual match, fast, no design source needed.
  • Cons: Not true vector; upscaling very large may soften (same as the raster).
  • Size: SVG file ≈ base64(raster) + ~200 bytes overhead (~33% larger than raw binary).

Do not

  • Hand-draw paths to “recreate” a brand logo when the raster exists — results rarely match.
  • Use potrace/ImageMagick trace for full-color wordmarks.
  • Replace the canonical raster with only SVG unless the user explicitly drops the raster.
  • Embed secrets or sensitive images in public repos without user confirmation.

Optional: external-reference SVG

Only for local tooling that resolves sibling files (not GitHub README <img src="logo.svg">):

<image href="logo.webp" width="1163" height="350"/>

Prefer base64 embed for portable .svg files.

Example (designer-skill)

python3 skills/raster-logo-svg/scripts/embed-logo.py \
  docs/designer-skill-mcp-logo.webp \
  -o docs/designer-skill-mcp-logo.svg \
  -l "designer-skill-mcp"

README uses designer-skill-mcp-logo.webp; plugin/icon paths can use the .svg.