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  4. December 21, 2025

Top Agent Skills for December 21, 2025

Daily rankings of Agent Skills for Claude, ChatGPT & Codex sorted by GitHub stars.

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#1
metabase

Clojure Development & REPL Workflow

Guides Clojure and ClojureScript development using REPL-driven workflows, structural editing, and idiomatic coding conventions.

API Development
45,248
#2
anthropics

Documentation Co-Authoring

Guides users through a collaborative, three-stage workflow to create high-quality technical documentation, proposals, and specifications.

Content Management
24,065
#3
anthropics

Canvas Visual Designer

Generates sophisticated, museum-quality visual art and design philosophies through high-fidelity digital artifacts.

Design Tools
24,065
#4
anthropics

Anthropic Brand Styling

Applies official Anthropic brand colors, typography, and visual identity standards to digital artifacts and presentations.

Design Tools
24,065
#5
anthropics

Algorithmic Art Creator

Generates sophisticated generative art systems and algorithmic philosophies using p5.js and seeded randomness.

Design Tools
24,065
#6
anthropics

Frontend Design

Creates distinctive, production-grade frontend interfaces with high design quality and custom aesthetics.

Design Tools
24,065
#7
anthropics

Internal Communications Writer

Drafts professional, standardized internal company communications using predefined organizational templates and best practices.

Collaboration Tools
24,065
#8
anthropics

Web Artifacts Builder

Builds complex, multi-component React artifacts for Claude.ai featuring shadcn/ui and Tailwind CSS.

Design Tools
24,065
#9
anthropics

Slack GIF Creator

Generates professional, Slack-optimized animated GIFs and emojis using Python-based animation primitives and easing functions.

Collaboration Tools
24,065
#10
anthropics

Skill Creator

Guides the development and optimization of custom Claude Code skills to extend AI capabilities with specialized knowledge.

Developer Tools
24,065

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