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GIMP Image Editing CLI

Lets an agent create and edit images from the command line using layers, filters, text and export, without a GUI

Source Download skill
Repository
HKUDS/CLI-Anything
Stars
58,084
Licence
Apache-2.0
Files
1 file

What it does

This skill teaches an AI agent to drive a command-line tool that edits images without opening the GIMP app. The agent can create a project file, add and arrange layers, resize or crop the canvas, apply filters, draw text or rectangles, and export a finished PNG or similar image. It can ask for machine-readable JSON output so it can read results reliably, and it can undo or redo steps.

Great for

  • Developers who want an AI agent to batch-process or compose images in scripts
  • Designers prototyping poster or overlay layouts that an agent assembles from existing files
  • Agent builders who need a scriptable, stateful image editing tool

Skip it if

  • Users who need the full GIMP interface or advanced manual retouching, since this is a Pillow-based tool, not the GIMP application itself
  • Critical or legal image work without human review, because text and rectangle draws are applied at render time and saved project files can differ from the final output

Try asking

  • “Create a new poster project, add a background image as a layer, and export it as output.png”
  • “Place the text 'Launch Night' on layer 0 at a set position with a given size and colour, then render the result”
  • “Crop the canvas to 1200x630 and set the DPI to 300”
  • “List the available filters and apply one to layer 1”
Step-by-step guide: how to use GIMP Image Editing CLIInstall, first run, examples, tips and FAQs

Install in 3 steps

  1. 1

    Download the skill

    The ZIP contains the 1 original files, the Apache-2.0 licence and an attribution note.

    skills.zip
  2. 2

    Add it to your agent

    Claude Code (all projects)

    mkdir -p ~/.claude/skills && unzip skills.zip -d ~/.claude/skills/

    Claude Code / Agent SDK (this project only)

    mkdir -p .claude/skills && unzip skills.zip -d .claude/skills/

    Claude apps (web/desktop): Settings → Capabilities → Skills → Upload skill, and choose the ZIP.

  3. 3

    Ask for the task

    No special command needed — the agent reads the skill's description and loads it when your request matches. Try one of the prompts above.

Get better results

  • Ask the agent to use --json output and to check that the exported file exists before reporting success
  • Review the exported image itself after text, rectangle, offset or filter changes, not just the project JSON
  • Use absolute file paths and keep backups of original images before the agent overwrites outputs

What's inside

  • SKILL.md

Redistributed unmodified from HKUDS/CLI-Anything under the Apache-2.0 licence. The assessment was drafted with AI from the skill's files on 2026-10-29. Skills can instruct your agent to run code — read SKILL.md and any scripts before installing.