feat: integrate official Anthropic and Vercel Labs skills

- Add 8 new skills (62 total, up from 58)
- Official Anthropic skills: docx, pdf, pptx, xlsx, brand-guidelines, internal-comms
- Vercel Labs skills: react-best-practices, web-design-guidelines
- Implement dual-versioning: -official/-anthropic and -community suffixes
- Update README with new skill registry and credits
- Regenerate skills_index.json (62 skills validated)
- Add comprehensive walkthrough.md

BREAKING CHANGE: Document skills (docx/pdf/pptx/xlsx) renamed with version suffixes
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# 🌌 Antigravity Awesome Skills
> **The Ultimate Collection of 50+ Agentic Skills for Claude Code (Antigravity)**
> **The Ultimate Collection of 60+ Agentic Skills for Claude Code (Antigravity)**
[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
[![Claude Code](https://img.shields.io/badge/AI-Claude%20Code-purple)](https://claude.ai)
[![Agentic](https://img.shields.io/badge/Agentic-Framework-blue)](https://github.com/guanyang/antigravity-skills)
**Antigravity Awesome Skills** is a curated, battle-tested collection of **58 high-performance skills** compatible with both **Antigravity** and **Claude Code**.
**Antigravity Awesome Skills** is a curated, battle-tested collection of **62 high-performance skills** compatible with both **Antigravity** and **Claude Code**, including official skills from **Anthropic** and **Vercel Labs**.
## 📍 Table of Contents
- [Features & Categories](#features--categories)
- [Full Skill Registry](#full-skill-registry-5858)
- [Full Skill Registry](#full-skill-registry-6262)
- [Installation](#installation)
- [How to Contribute](#how-to-contribute)
- [Credits & Sources](#credits--sources)
@@ -36,47 +36,55 @@ The repository is organized into several key areas of expertise:
---
## Full Skill Registry (58/58)
## Full Skill Registry (62/62)
Below is the complete list of available skills. Each skill folder contains a `SKILL.md` that can be imported into Antigravity or Claude Code.
| Skill Name | Description | Path |
| :------------------------- | :--------------------------------------------------------- | :------------------------------------------ |
| **Algorithmic Art** | Creative generative art using p5.js and seeded randomness. | `skills/algorithmic-art` |
| **App Store Optimization** | Complete ASO toolkit for iOS and Android app performance. | `skills/app-store-optimization` |
| **AWS Pentesting** | Specialized security assessment for Amazon Web Services. | `skills/aws-penetration-testing` |
| **Backend Guidelines** | Core architecture patterns for Node/Express microservices. | `skills/backend-dev-guidelines` |
| **Brainstorming** | Requirement discovery and intent exploration framework. | `skills/brainstorming` |
| **Brand Guidelines** | Anthropic-specific styling and visual standards. | `skills/brand-guidelines` |
| **Canvas Design** | Beautiful static visual design in PDF and PNG. | `skills/canvas-design` |
| **Claude D3.js** | Advanced data visualization with D3.js. | `skills/claude-d3js-skill` |
| **Content Creator** | SEO-optimized marketing and brand voice toolkit. | `skills/content-creator` |
| **Core Components** | Design system tokens and baseline UI patterns. | `skills/core-components` |
| **Doc Co-authoring** | Structured workflow for technical documentation. | `skills/doc-coauthoring` |
| **DOCX/PPTX/XLSX** | Advanced MS Office document manipulation. | `skills/docx`, `skills/pptx`, `skills/xlsx` |
| **Ethical Hacking** | Comprehensive penetration testing lifecycle methodology. | `skills/ethical-hacking-methodology` |
| **Frontend Design** | Production-grade UI component implementation. | `skills/frontend-design` |
| **Frontend Guidelines** | Modern React/TS development patterns and file structure. | `skills/frontend-dev-guidelines` |
| **Git Pushing** | Automated staging and conventional commits. | `skills/git-pushing` |
| **Internal Comms** | Standardized corporate communication templates. | `skills/internal-comms` |
| **Kaizen** | Continuous improvement and error-proofing (Poka-Yoke). | `skills/kaizen` |
| **Linux Shell Scripting** | Production-ready shell scripts for automation. | `skills/linux-shell-scripting` |
| **Loki Mode** | Fully autonomous startup development engine. | `skills/loki-mode` |
| **MCP Builder** | High-quality Model Context Protocol (MCP) server creation. | `skills/mcp-builder` |
| **NotebookLM** | Source-grounded querying via Google NotebookLM. | `skills/notebooklm` |
| **PDF Toolkit** | Extraction, creation, and manipulation of PDF docs. | `skills/pdf` |
| **Pentest Checklist** | Structured security assessment planning and scoping. | `skills/pentest-checklist` |
| **Product Toolkit** | RICE prioritization and product discovery frameworks. | `skills/product-manager-toolkit` |
| **Prompt Engineering** | Expert patterns for LLM instruction optimization. | `skills/prompt-engineering` |
| **React UI Patterns** | Standardized loading states and error handling for React. | `skills/react-ui-patterns` |
| **Senior Architect** | Scalable system design and architecture diagrams. | `skills/senior-architect` |
| **Skill Creator** | Meta-skill for building high-performance agentic skills. | `skills/skill-creator` |
| **Software Architecture** | Quality-focused design principles and analysis. | `skills/software-architecture` |
| **Systematic Debugging** | Root cause analysis and structured fix verification. | `skills/systematic-debugging` |
| **TDD** | Test-Driven Development workflow and red-green-refactor. | `skills/test-driven-development` |
| **UI/UX Pro Max** | Advanced design intelligence and 50+ styling options. | `skills/ui-ux-pro-max` |
| **Web Artifacts** | Complex React/Tailwind/Shadcn UI artifact builder. | `skills/web-artifacts-builder` |
| **Webapp Testing** | Local web application testing with Playwright. | `skills/webapp-testing` |
> [!NOTE] > **Document Skills**: We provide both **community** and **official Anthropic** versions for DOCX, PDF, PPTX, and XLSX. Locally, the official versions are used by default (via symlinks). In the repository, both versions are available for flexibility.
| Skill Name | Description | Path |
| :------------------------------- | :------------------------------------------------------------ | :--------------------------------------------- |
| **Algorithmic Art** | Creative generative art using p5.js and seeded randomness. | `skills/algorithmic-art` |
| **App Store Optimization** | Complete ASO toolkit for iOS and Android app performance. | `skills/app-store-optimization` |
| **AWS Pentesting** | Specialized security assessment for Amazon Web Services. | `skills/aws-penetration-testing` |
| **Backend Guidelines** | Core architecture patterns for Node/Express microservices. | `skills/backend-dev-guidelines` |
| **Brainstorming** | Requirement discovery and intent exploration framework. | `skills/brainstorming` |
| **Brand Guidelines (Anthropic)** | Official Anthropic brand styling and visual standards. | `skills/brand-guidelines-anthropic` ⭐ NEW |
| **Brand Guidelines (Community)** | Community-contributed brand guidelines and templates. | `skills/brand-guidelines-community` |
| **Canvas Design** | Beautiful static visual design in PDF and PNG. | `skills/canvas-design` |
| **Claude D3.js** | Advanced data visualization with D3.js. | `skills/claude-d3js-skill` |
| **Content Creator** | SEO-optimized marketing and brand voice toolkit. | `skills/content-creator` |
| **Core Components** | Design system tokens and baseline UI patterns. | `skills/core-components` |
| **Doc Co-authoring** | Structured workflow for technical documentation. | `skills/doc-coauthoring` |
| **DOCX (Official)** | Official Anthropic MS Word document manipulation. | `skills/docx-official` ⭐ NEW |
| **Ethical Hacking** | Comprehensive penetration testing lifecycle methodology. | `skills/ethical-hacking-methodology` |
| **Frontend Design** | Production-grade UI component implementation. | `skills/frontend-design` |
| **Frontend Guidelines** | Modern React/TS development patterns and file structure. | `skills/frontend-dev-guidelines` |
| **Git Pushing** | Automated staging and conventional commits. | `skills/git-pushing` |
| **Internal Comms (Anthropic)** | Official Anthropic corporate communication templates. | `skills/internal-comms-anthropic` ⭐ NEW |
| **Internal Comms (Community)** | Community-contributed communication templates. | `skills/internal-comms-community` |
| **Kaizen** | Continuous improvement and error-proofing (Poka-Yoke). | `skills/kaizen` |
| **Linux Shell Scripting** | Production-ready shell scripts for automation. | `skills/linux-shell-scripting` |
| **Loki Mode** | Fully autonomous startup development engine. | `skills/loki-mode` |
| **MCP Builder** | High-quality Model Context Protocol (MCP) server creation. | `skills/mcp-builder` |
| **NotebookLM** | Source-grounded querying via Google NotebookLM. | `skills/notebooklm` |
| **PDF (Official)** | Official Anthropic PDF document manipulation. | `skills/pdf-official` ⭐ NEW |
| **Pentest Checklist** | Structured security assessment planning and scoping. | `skills/pentest-checklist` |
| **PPTX (Official)** | Official Anthropic PowerPoint manipulation. | `skills/pptx-official` ⭐ NEW |
| **Product Toolkit** | RICE prioritization and product discovery frameworks. | `skills/product-manager-toolkit` |
| **Prompt Engineering** | Expert patterns for LLM instruction optimization. | `skills/prompt-engineering` |
| **React Best Practices** | Vercel's 40+ performance optimization rules for React. | `skills/react-best-practices` ⭐ NEW (Vercel) |
| **React UI Patterns** | Standardized loading states and error handling for React. | `skills/react-ui-patterns` |
| **Senior Architect** | Scalable system design and architecture diagrams. | `skills/senior-architect` |
| **Skill Creator** | Meta-skill for building high-performance agentic skills. | `skills/skill-creator` |
| **Software Architecture** | Quality-focused design principles and analysis. | `skills/software-architecture` |
| **Systematic Debugging** | Root cause analysis and structured fix verification. | `skills/systematic-debugging` |
| **TDD** | Test-Driven Development workflow and red-green-refactor. | `skills/test-driven-development` |
| **UI/UX Pro Max** | Advanced design intelligence and 50+ styling options. | `skills/ui-ux-pro-max` |
| **Web Artifacts** | Complex React/Tailwind/Shadcn UI artifact builder. | `skills/web-artifacts-builder` |
| **Web Design Guidelines** | Vercel's 100+ UI/UX audit rules (accessibility, performance). | `skills/web-design-guidelines` ⭐ NEW (Vercel) |
| **Webapp Testing** | Local web application testing with Playwright. | `skills/webapp-testing` |
| **XLSX (Official)** | Official Anthropic Excel spreadsheet manipulation. | `skills/xlsx-official` ⭐ NEW |
> [!TIP]
> Use the `validate_skills.py` script in the `scripts/` directory to ensure all skills are properly formatted and ready for use.
@@ -109,7 +117,14 @@ Please ensure your skill follows the Antigravity/Claude Code best practices.
## Credits & Sources
This collection would not be possible without the incredible work of the Claude Code community:
This collection would not be possible without the incredible work of the Claude Code community and official sources:
### Official Sources
- **[anthropics/skills](https://github.com/anthropics/skills)**: Official Anthropic skills repository - Document manipulation (DOCX, PDF, PPTX, XLSX), Brand Guidelines, Internal Communications.
- **[vercel-labs/agent-skills](https://github.com/vercel-labs/agent-skills)**: Vercel Labs official skills - React Best Practices, Web Design Guidelines.
### Community Contributors
- **[obra/superpowers](https://github.com/obra/superpowers)**: The original "Superpowers" by Jesse Vincent.
- **[guanyang/antigravity-skills](https://github.com/guanyang/antigravity-skills)**: Core Antigravity extensions.