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Skill creator guide for building effective Codex skills with specialized knowledge, workflows, and tool integrations that extend AI coding assistant capabilities

Crafts distinctive, production-grade frontend interfaces with exceptional design quality, avoiding generic AI aesthetics.

Generates, reads, analyzes, and manipulates Excel spreadsheets with advanced formula support, data visualization, and precise financial modeling capabilities.

PowerPoint presentation skill for creating, editing, and analyzing .pptx files including layout management, speaker notes, text extraction, and XML-based content manipulation

Automates web application testing using Playwright, enabling browser interactions, UI verification, and screenshot capture for local web apps.

Guides agent development for Claude Code plugins, covering agent structure, system prompts, triggering conditions, and development best practices.

Guides users through a structured, collaborative documentation workflow with context gathering, iterative refinement, and reader testing.

Guides developers in creating, structuring, and optimizing Claude Code plugin skills with comprehensive best practices and modular design principles.

Generates original visual design philosophies and transforms them into artistic .png or .pdf documents with minimal text and high aesthetic impact.

Enables advanced, context-aware hook development for Claude Code plugins with flexible prompt-based and command-driven event automation.