Agent skill · creative production · sundial-org
coloring-page
Turn an uploaded photo into a printable black-and-white coloring page.
Why this skill is useful
Provides specific commands and parameters for generating coloring pages from images that the AI wouldn't reliably generate on its own.
What it needs
Requires uv installed locally. Requires gemini account access. About 1k tokens when loaded. Last updated 2026-03-07. 639 stars on the source repository.
What this skill does
coloring-page Create a printable black-and-white outline coloring page from a photo. This skill is designed to be used conversationally: You upload an image You say: “create a coloring page” The assistant runs this skill and sends back the generated PNG Under the hood, this uses the Nano Banana Pro (Gemini 3 Pro Image) image model. Requirements GEMINIAPIKEY set (recommended in ~/.clawdbot/.env) uv available (used by the underlying nano-banana-pro skill) How the assistant should use this When a user message includes: an attached image (jpg/png/webp) and the user asks for a “coloring page” Run: bin/coloring-page --in <path-to-uploaded-image> [--out <output.png>] [--resolution 1K 2K 4K] Then send the output image back to the user. CLI Basic Choose output name Resolution Notes Input must be a raster image (.jpg, .png, .webp). Output is a PNG coloring page on a white background.
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills sundial-org/coloring-page