What Slack GIF Creator is Provides Slack constraints (emoji GIFs 128x128, message GIFs 480x480, 10-30 fps, 48-128 colors), a GIFBuilder helper, validators, easing functions and animation concepts. Frames are drawn with PIL primitives, not emoji fonts.
What it does How Slack GIF Creator plugs in: which agents run it and what it adds RUNS IN Your agent Claude Code one host documented SKILL · OFFICIAL Slack GIF Creator Reusable instructions and scripts… 4 install steps 1 permission note license: Apache-2.0 WHAT IT ADDS What it does Builds GIFs with a GIFBuilder cor… Validates size, fps and duration… Provides easing functions (ease i… Guides drawing polished graphics… agent → extension → new capability · from the official repository or docs Where Slack GIF Creator runs and what it adds, from its documentation Builds GIFs with a GIFBuilder core module and frame helpers Validates size, fps and duration against Slack limits Provides easing functions (ease in/out, bounce, elastic, back) Guides drawing polished graphics from scratch with PIL Can animate or take inspiration from a user-uploaded image When to use it
Good fit Asked to make an animated GIF or emoji for Slack Not for Non-Slack video or long animations (emoji GIFs should stay under 3 seconds) How to install Slack GIF Creator You need: Python with Pillow (PIL)
Register the marketplace in Claude Code: /plugin marketplace add anthropics/skills Install the bundle that contains it: /plugin install example-skills@anthropic-agent-skills Or copy the skill folder to ~/.claude/skills/slack-gif-creator/ (personal) or .claude/skills/slack-gif-creator/ (project) Mention the task in a prompt; Claude loads the skill automatically when the SKILL.md description matches Permissions and security What it can access Runs Python scripts and writes GIF files via Claude Code's normal tool permissions Security notes from the maintainers Anthropic repo disclaimer: skills are provided for demonstration and educational purposes; behavior in Claude may differ Review the source before granting an agent access to credentials or production systems. We document what the maintainers state; we do not audit code.
Limitations Does not bundle pre-packaged graphics or emoji fonts
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Anthropic's agentic coding tool that reads your codebase, edits files and runs commands from the terminal, IDEs, desktop app or browser.
Watch out: Not included in the Free Claude plan, and usage on subscriptions is capped by plan limits.
Listed Not yet reviewed
Verified Sep 29, 2026
code.claude.com ↗ (opens Claude Code website in a new tab)
Frequently asked questions How do I install the slack-gif-creator skill in Claude Code? Add the marketplace with /plugin marketplace add anthropics/skills and install the bundle containing it, or copy skills/slack-gif-creator into ~/.claude/skills/. source
When does Claude use the slack-gif-creator skill? Claude loads it automatically when the request matches the description field in its SKILL.md frontmatter. source
What license does the slack-gif-creator skill use? Its SKILL.md points to LICENSE.txt, which is the Apache License 2.0. source
Sources and gaps Not stated by the maintainers: last_release (repo has no releases read).
