How does it ensure GIFs fit within Slack's limits?

It includes a dedicated validation utility that checks dimensions, frame rate, and total file size against Slack's recommended parameters.

Does this skill work with existing images?

Yes, the skill can process user-uploaded images to use as a base for animations or as a reference for colors and style using PIL.

What dependencies are required to run the generated code?

The code generated by this skill typically requires the Pillow (PIL), imageio, and numpy Python libraries.

Can I adjust the output for file size constraints?

Yes, it provides optimization strategies such as reducing color palettes, lowering FPS, and removing duplicate frames to meet strict file size requirements.

What kind of animation effects are supported?

The skill supports a wide range of motion concepts including shaking, pulsing, bouncing, rotating, fading, zooming, and particle burst effects.

Slack GIF Creator

Name: Slack GIF Creator
Author: XD3an

byXD3an

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Collaboration Tools

Generates and optimizes animated GIFs for Slack, providing specialized utilities for frame composition, easing, and format validation.

About

The Slack GIF Creator skill equips Claude with a specialized toolkit for programmatically generating high-quality animated visuals. It integrates domain-specific knowledge of Slack's technical constraints—such as specific dimensions for emojis versus messages and file size limits—with robust Python-based drawing and animation utilities. By leveraging PIL primitives and sophisticated easing functions, this skill allows developers to create polished, professional animations directly through code, ensuring every output is perfectly formatted and optimized for the Slack workspace.

Key Features

Optimization strategies for aggressive file size reduction, including color quantization and duplicate frame removal.
Automatic optimization for Slack-specific constraints (128x128 for emojis, 480x480 for messages).
Frame composition helpers for gradients, complex polygons, and layering visual depth.
Advanced easing library including bounce, elastic, and cubic interpolations for smooth motion.
Integrated validation tools to check GIF compliance with Slack's file size and FPS requirements.
6 GitHub stars

Use Cases

Transforming user-uploaded images into optimized, Slack-ready animations with professional effects.
Creating programmatic status indicators or progress animations for internal Slack updates.
Generating custom animated reaction emojis for team celebrations or project milestones.

About

Key Features

Optimization strategies for aggressive file size reduction, including color quantization and duplicate frame removal.
Automatic optimization for Slack-specific constraints (128x128 for emojis, 480x480 for messages).
Frame composition helpers for gradients, complex polygons, and layering visual depth.
Advanced easing library including bounce, elastic, and cubic interpolations for smooth motion.
Integrated validation tools to check GIF compliance with Slack's file size and FPS requirements.
6 GitHub stars

Use Cases

Transforming user-uploaded images into optimized, Slack-ready animations with professional effects.
Creating programmatic status indicators or progress animations for internal Slack updates.
Generating custom animated reaction emojis for team celebrations or project milestones.