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Slack GIF Creator

by Anthropic

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Repository Docs

markdown

Summary

Create animated GIFs optimized for Slack — with size constraints, validation tools, and animation concepts baked in.

Install This Skill

Add this skill to your favorite AI agent in a few steps.

Any AI agent

This skill is plain instructions — it works with any assistant that accepts custom instructions or system prompts.

Copy the skill content with the button below.
Paste it into your agent's instruction file or system prompt (for example AGENTS.md, .cursorrules, or a custom instructions field).
Ask the agent to apply the skill whenever the task matches.

Claude Code & Claude apps

Claude loads skills automatically from its skills directory.

Claude Code

Create a skill folder — personal: ~/.claude/skills/slack-gif-creator/, or per-project: .claude/skills/slack-gif-creator/
Save the skill content as SKILL.md inside that folder.
Claude Code picks it up automatically and invokes it when relevant.

mkdir -p ~/.claude/skills/slack-gif-creator

Claude.ai / Claude Desktop

Enable Skills under Settings → Capabilities, then upload the skill (a folder or zip containing SKILL.md).

One-prompt install

Paste this prompt into any agent with web access and it will install the skill for you.

Install the "Slack GIF Creator" skill from Onei AI. Fetch https://onei.ai/skills/slack-gif-creator, extract the full skill content from the page, and save it where you load skills from (for Claude Code: .claude/skills/slack-gif-creator/SKILL.md). From now on, apply this skill whenever it is relevant to my request.

Skill Content

Markdown Content

Copy this content and use it with your preferred AI agent

# Slack GIF Creator

Use this skill when someone wants an animated GIF for Slack (e.g. "make me a GIF of X doing Y for Slack").

## What it does
- Encodes Slack's practical constraints (dimensions, file size, frame budget)
- Provides animation concepts to build from
- Validates the generated GIF so it actually uploads and looks right in Slack

## Output
A small, well-sized, loop-friendly GIF ready to drop into a Slack message or as a custom emoji.

Description

A skill with knowledge and utilities for creating animated GIFs optimized for Slack. It provides the constraints Slack imposes, validation tools to check output, and animation concepts. Use it when someone asks to make an animated GIF for Slack — for example, "make me a GIF of X doing Y for Slack."

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