slack-gif-creator
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.
Install caution
Risk: High
Source: Anthropic Skills
Path: skills/slack-gif-creator/SKILL.md
Review flags: filesystem/home-directory access, package installation commands, shell command snippets. These are review signals, not definitive security judgments; inspect before installing.
Required permissions
- • Shell commands
- • Filesystem/home access
Permissions are inferred from SKILL.md text only. They are review prompts, not guarantees about runtime behavior.
Risk flags explained
Mentions filesystem writes, deletes, home-directory paths, or config/key locations.
Mentions package installation or dependency-fetching commands.
Contains shell command snippets. Review commands before copy/paste or agent execution.
Score explanation
Trust
- • Trust starts at 90 before review-signal penalties and metadata bonuses.
- • Risk-signal penalty: -35 from 3 detected flag(s).
- • Metadata bonus: +2 from author/version/description fields.
Utility
- • Utility starts at 55 and rewards clear descriptions, runnable examples, and explicit setup needs.
- • Description present: yes.
- • Command examples detected: 1.
- • Environment variables detected: 0.
Momentum
- • Momentum starts at 45 and uses public repo activity signals.
- • Recent repo update within 11 days.
- • Recent commit volume: 5 commit(s) in the lookback window (+15).
- • Source has strong public adoption: 153438 stars.
- • Fork activity suggests reuse: 18085 forks.
Overall
- • Overall score weights trust 45%, utility 35%, and momentum 20%.
Detected signals
Env vars
None detected in SKILL.md text scan.
Commands
- • pip install pillow imageio numpy
URLs
None detected in SKILL.md text scan.
Provenance & evidence
SkillRadar makes each review traceable back to the exact source path, source blob SHA, scanner version, and text-only policy that produced the report.
Evidence snippets
…num_colors=48` instead of 128 3. **Smaller dimensions** - 128x128 instead of 480x480 4. **Remove duplicates** - `remove_duplicates=True` in save() 5. **Emoji mode** - `optimize_for_emoji…
…ting, pulsing + sliding, etc.) and use PIL's full capabilities. ## Dependencies ```bash pip install pillow imageio numpy ```
…= smaller file size) - Duration: Keep under 3 seconds for emoji GIFs ## Core Workflow ```python from core.gif_builder import GIFBuilder from PIL import Image, ImageDraw # 1. Create builder builder = GIFBuilder(width=128, height=128, fps=10) # 2. Generate fram
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Join watchlist betaMethodology note
SkillRadar scans SKILL.md as hostile text only. It does not execute commands, install packages, or load third-party skills.