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Official · by Anthropic

Slack GIF creator Claude skill

The Slack GIF creator skill helps an AI assistant make animated GIFs sized and checked for use in Slack.

  • Apache-2.0 licence
  • ★ 182,168 on GitHub (whole repository)
  • Verified against its source 19 Oct 2026
View SKILL.md Repository

What the Slack GIF creator skill does

It gives the assistant knowledge, utilities, and constraints for creating animated GIFs optimized for Slack, including validation to check whether a GIF meets Slack requirements. It is used when users ask for an animated GIF for Slack, such as a GIF of something doing an action for Slack.

What it covers

  • GIF builder for assembling frames and saving optimized output
  • Validating GIFs against Slack requirements
  • Easing functions for smooth motion
  • File size optimization strategies applied when asked to reduce size

How to install it

In Claude Code

/plugin marketplace add anthropics/skills
/plugin install example-skills@anthropic-agent-skills

This plugin also installs: algorithmic-art, brand-guidelines, canvas-design, doc-coauthoring, frontend-design, internal-comms, mcp-builder, skill-creator, theme-factory, web-artifacts-builder, webapp-testing.

Steps change between versions. Check the official instructions before you install.