Agent skill

cli-anything-gimp

Command-line interface for Gimp - A stateful command-line interface for image editing, built on Pillow. Designed for AI agents and pow...

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Install this agent skill to your Project

npx add-skill https://github.com/HKUDS/CLI-Anything/tree/main/gimp/agent-harness/cli_anything/gimp/skills

SKILL.md

cli-anything-gimp

A stateful command-line interface for image editing, built on Pillow. Designed for AI agents and power users who need to create and manipulate images without a GUI.

Installation

This CLI is installed as part of the cli-anything-gimp package:

bash
pip install cli-anything-gimp

Prerequisites:

  • Python 3.10+
  • gimp must be installed on your system

Usage

Basic Commands

bash
# Show help
cli-anything-gimp --help

# Start interactive REPL mode
cli-anything-gimp

# Create a new project
cli-anything-gimp project new -o project.json

# Run with JSON output (for agent consumption)
cli-anything-gimp --json project info -p project.json

REPL Mode

When invoked without a subcommand, the CLI enters an interactive REPL session:

bash
cli-anything-gimp
# Enter commands interactively with tab-completion and history

Command Groups

Project

Project management commands.

Command Description
new Create a new project
open Open an existing project
save Save the current project
info Show project information
profiles List available canvas profiles
json Print raw project JSON

Layer

Layer management commands.

Command Description
new Create a new blank layer
add-from-file Add a layer from an image file
list List all layers
remove Remove a layer by index
duplicate Duplicate a layer
move Move a layer to a new position
set Set a layer property (name, opacity, visible, mode, offset_x, offset_y)
flatten Flatten all visible layers
merge-down Merge a layer with the one below it

Canvas

Canvas operations.

Command Description
info Show canvas information
resize Resize the canvas (without scaling content)
scale Scale the canvas and all content proportionally
crop Crop the canvas to a rectangle
mode Set the canvas color mode
dpi Set the canvas DPI

Filter Group

Filter management commands.

Command Description
list-available List all available filters
info Show details about a filter
add Add a filter to a layer
remove Remove a filter by index
set Set a filter parameter
list List filters on a layer

Media

Media file operations.

Command Description
probe Analyze an image file
list List media files referenced in the project
check Check that all referenced media files exist
histogram Show histogram analysis of an image

Export Group

Export/render commands.

Command Description
presets List export presets
preset-info Show preset details
render Render the project to an image file

Session

Session management commands.

Command Description
status Show session status
undo Undo the last operation
redo Redo the last undone operation
history Show undo history

Draw

Drawing operations (applied at render time).

Command Description
text Draw text on a layer (by converting it to a text layer)
rect Draw a rectangle (stored as drawing operation)

Examples

Create a New Project

Create a new gimp project file.

bash
cli-anything-gimp project new -o myproject.json
# Or with JSON output for programmatic use
cli-anything-gimp --json project new -o myproject.json

Interactive REPL Session

Start an interactive session with undo/redo support.

bash
cli-anything-gimp
# Enter commands interactively
# Use 'help' to see available commands
# Use 'undo' and 'redo' for history navigation

Export Project

Export the project to a final output format.

bash
cli-anything-gimp --project myproject.json export render output.pdf --overwrite

State Management

The CLI maintains session state with:

  • Undo/Redo: Up to 50 levels of history
  • Project persistence: Save/load project state as JSON
  • Session tracking: Track modifications and changes

Output Formats

All commands support dual output modes:

  • Human-readable (default): Tables, colors, formatted text
  • Machine-readable (--json flag): Structured JSON for agent consumption
bash
# Human output
cli-anything-gimp project info -p project.json

# JSON output for agents
cli-anything-gimp --json project info -p project.json

For AI Agents

When using this CLI programmatically:

  1. Always use --json flag for parseable output
  2. Check return codes - 0 for success, non-zero for errors
  3. Parse stderr for error messages on failure
  4. Use absolute paths for all file operations
  5. Verify outputs exist after export operations

More Information

  • Full documentation: See README.md in the package
  • Test coverage: See TEST.md in the package
  • Methodology: See HARNESS.md in the cli-anything-plugin

Version

1.0.0

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