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slack-gif-creator · nexu-io — Claude Code skill: GIFs and installation

Creates animated GIFs for Slack and checks size constraints. Use it when an agent needs to prepare a reaction GIF or a short animation.

Install into Claude Code · Skills CLI (Vercel) All methods and platforms ↓ 
npx skills add nexu-io/open-design --skill slack-gif-creator -a claude-code
Open on GitHub

What slack-gif-creator does

This skill creates animated GIFs intended for use in Slack. It includes validators for size constraints and composable animation primitives for building different scenes. The skill is categorized under image generation.

After installation, the agent can discover it by the name slack-gif-creator or through the phrases slack gif, animated gif, reaction gif, and tiny gif. For Slack, that means the output can be checked against size limits before delivery. The full workflow uses the package's original assets, scripts, and reference material.

What it helps with

  • create an animated GIF for Slack
  • check a GIF against size constraints
  • build an animation from composable primitives
  • prepare a reaction GIF for Slack

Example prompts for the agent

  • Create a `reaction gif` for Slack with a simple animation.
  • Make an `animated gif` and check its Slack size constraints.
  • Use `slack-gif-creator` to prepare a `tiny gif`.

How to install slack-gif-creator

1Skills CLI (Vercel)

npx skills add nexu-io/open-design --skill slack-gif-creator -a claude-code

2Manually: put the files in place

~/.claude/skills/slack-gif-creator/SKILL.md

Copy the whole skill folder; for one project use .claude/skills/slack-gif-creator/

From the same set106

The whole set →
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Other versions of slack-gif-creator

slack-gif-creator official anthropics This skill helps create animated GIFs for Slack and check their parameters. Use it for custom emoji or GIFs shared in messages. Claude Code Claude.ai 75,256installs

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Questions about slack-gif-creator

How do I install slack-gif-creator in Claude Code?

Run npx skills add nexu-io/open-design --skill slack-gif-creator -a claude-code, then run npx skills add nexu-io/open-design --skill slack-gif-creator -a claude-code again. The skill file is located at ~/.claude/skills/slack-gif-creator/SKILL.md.

What does slack-gif-creator do?

It creates animated GIFs for Slack, validates size constraints, and uses composable animation primitives.

How do I trigger slack-gif-creator?

Ask the agent to create a reaction gif, animated gif, or tiny gif. You can also invoke the skill by its name, slack-gif-creator.

Source text

SKILL.md · Apache-2.0 
---
name: slack-gif-creator
description: |
  Create animated GIFs optimized for Slack with validators for size constraints and composable animation primitives.
triggers:
  - "slack gif"
  - "animated gif"
  - "reaction gif"
  - "tiny gif"
od:
  mode: image
  category: image-generation
  upstream: "https://github.com/anthropics/skills/tree/main/skills/slack-gif-creator"
---

# slack-gif-creator

> Curated from Anthropic's official skills repository.

## What it does

Create animated GIFs optimized for Slack with validators for size constraints and composable animation primitives.

## Source

- Upstream: https://github.com/anthropics/skills/tree/main/skills/slack-gif-creator
- Category: `image-generation`

## How to use

This catalogue entry advertises the skill in OpenDesign so the agent
discovers it during planning. To run the full upstream workflow with
its original assets, scripts, and references, install the upstream
bundle into your active agent's skills directory:

```bash
# Inspect the upstream README for exact paths
open https://github.com/anthropics/skills/tree/main/skills/slack-gif-creator
```

Then ask the agent to invoke this skill by name (`slack-gif-creator`) or with
one of the trigger phrases listed in this skill's frontmatter.

© nexu-io · Apache-2.0 · nexu-io/open-design

See also

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