What it does
Knowledge and utilities for creating animated GIFs optimized for Slack. Provides constraints, validation tools, and animation concepts. Use when users request animated GIFs for Slack like "make me a GIF of X doing Y for Slack."
This entry summarizes the public skill for discovery. Prefer the upstream SKILL.md for the full instruction text (we do not paste restricted or lengthy proprietary prompt bodies).
Install & usage
Claude Code (plugin marketplace)
/plugin marketplace add anthropics/skills
/plugin install example-skills@anthropic-agent-skills
Or copy this skill folder into your project:
mkdir -p .claude/skills
git clone --depth 1 https://github.com/anthropics/skills.git /tmp/anthropics-skills
cp -R /tmp/anthropics-skills/skills/slack-gif-creator .claude/skills/slack-gif-creator
Then ask Claude Code to use the slack-gif-creator skill for a matching task.
Best for
Making small, Slack-friendly animated GIFs with helper utilities.
Hands-on test
- test_level: fully-tested
- Ran: yes
- When: 2026-11-01T01:20:00+08:00 (Asia/Shanghai)
- Result: Built animated GIF locally with skill scripts + Pillow; verified frame output under skill_work/e2e/gif.
- Gotchas: Needs Pillow and careful palette/size limits for Slack upload constraints.
Money-saving tip
Pair with Claude Pro annual ($17/mo effective vs $20 monthly per claude.com/pricing, checked 2026-11-01) or Max ($100) which includes $100/mo API credits — claim credits after 7 days on Max/Ultra/Team.
Source & license
- source_repo: anthropics/skills
- Source: https://github.com/anthropics/skills/tree/main/skills/slack-gif-creator
- License: Apache-2.0 — https://github.com/anthropics/skills/blob/main/skills/slack-gif-creator/LICENSE.txt
- Restrictions: Apache-2.0 examples may be redistributed with attribution. Do not redistribute Anthropic document skills (docx/pdf/pptx/xlsx) — those are source-available with redistribution bans; this entry is only for Apache-licensed example skills.