slack-gif-creator

Quick Review

Excellent skill for creating Slack-optimized animated GIFs. The description clearly indicates when to invoke it ('animated GIFs for Slack'). SKILL.md provides comprehensive task knowledge including Slack requirements, complete workflow examples, animation concepts (shake, pulse, bounce, spin, fade, etc.), PIL drawing primitives with detailed guidance on creating polished graphics, and optimization strategies. The structure is clean with a logical flow from requirements → workflow → drawing → utilities → animation concepts → optimization. References to core modules (gif_builder, validators, easing, frame_composer) are well-integrated. Novelty is strong: creating quality animated GIFs with proper easing, optimization, and animation concepts would require extensive prompting and many tokens for a CLI agent to figure out independently. The skill meaningfully reduces complexity by packaging domain knowledge (Slack constraints, animation patterns, PIL best practices) with utilities. Minor improvement possible: could add a quick-reference index at top for very large documents, but current length is manageable. Overall, this is a well-designed, practical skill that provides real value.