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canvas-cli - Command-line 2D image generation tool

Generates 2D images or Base64 Data URLs from text script instructions, and supports cropping, scaling, and redrawing PNG images.

Tags

Updated: 2026-09-20
canvas-cliimage-generationcommand-line-tool2d-graphicspng

Capabilities

Render 2D graphics from scriptOutput PNG image filesOutput Base64 Data URLsCrop existing PNG images

Typical Inputs

Instruction script files or inline stringsPNG image files

Typical Outputs

PNG image filesBase64 Data URL strings

What this skill does

  • Render 2D graphics from script
  • Output PNG image files
  • Output Base64 Data URLs
  • Crop existing PNG images
  • Scale existing PNG images
  • Redraw existing PNG images

Inputs

  • Instruction script files or inline strings
  • PNG image files

Outputs

  • PNG image files
  • Base64 Data URL strings

Requirements

  • Executable binary canvas-cli in skill directory

Source

  • Spec: SKILL.md

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