slack-gif-creator

Create and optimize Slack-ready animated GIFs with Python libraries.

178|24|Updated Jan 14, 2026
One-click install
npx skills add https://github.com/ZhanlinCui/Ultimate-Agent-Skills-Collection --skill slack-gif-creator-zhanlincui
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: slack-gif-creator
Source: https://github.com/ZhanlinCui/Ultimate-Agent-Skills-Collection/tree/main/slack-gif-creator
Command: npx skills add https://github.com/ZhanlinCui/Ultimate-Agent-Skills-Collection --skill slack-gif-creator-zhanlincui

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill provides a compact toolkit for generating, optimizing, and validating animated GIFs tailored for Slack. It helps users produce small, compliant GIFs that meet Slack's dimensions and color constraints without manual tinkering.

Core Features & Use Cases

  • Slack-ready GIF generation: emit emoji-sized 128x128 GIFs or larger Slack message GIFs with appropriate frame rate, color depth, and duration.
  • Validation & optimization: automatically quantize colors, deduplicate frames, and verify Slack readiness using built-in validators.
  • Real-world scenarios: create reaction GIFs, status indicators, or quick UI demonstrations that conform to Slack sharing requirements.

Quick Start

Create frames with PIL, initialize GIFBuilder(width=128, height=128, fps=10), add frames with add_frame(), and save with optimize_for_emoji=True and remove_duplicates=True. Then validate the result with validate_gif('output.gif', is_emoji=True).

Frequently Asked Questions about slack-gif-creator

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I create and optimize Slack-ready animated GIFs in Python?

To create and optimize Slack-ready animated GIFs, use Python libraries Pillow, imageio, and numpy to assemble frames, perform color quantization, deduplicate frames, and validate Slack compatibility. You can generate emoji-sized 128x128 GIFs or larger message GIFs.

What are the requirements for animated GIFs to display correctly as Slack emojis?

Slack emojis require specific dimensions and color constraints. GIFs must be 128x128 pixels with appropriate frame rate, color depth, and duration. Using a validator ensures Slack readiness by checking these constraints before uploading.

Can I use Pillow and imageio to generate GIFs for Slack reactions and onboarding assets?

Yes, you can use Pillow and imageio to generate GIFs for Slack reactions and onboarding assets. Initialize a GIFBuilder, add frames, and save with optimization settings like remove_duplicates and optimize_for_emoji to ensure compliance.

Why does my animated GIF fail Slack validation when sharing in messages?

Animated GIFs fail Slack validation due to exceeding dimensions, incompatible color depth, or large file sizes. Optimize by performing color quantization and deduplicating frames to meet Slack's sharing requirements.

What is the best way to reduce animated GIF file size for Slack using Python?

The best way to reduce animated GIF file size for Slack is to apply color quantization and deduplicate identical frames. Python libraries like Pillow and imageio provide built-in functions to automate this optimization process.