major-ai-skills
402+ installable agent skills (SKILL.md) for professional apps, token efficiency, and common-sense prompting. Compatible with Gemini CLI ski
Open source Open in the app JSON README (API)
About
402+ installable agent skills (SKILL.md) for professional apps, token efficiency, and common-sense prompting. Compatible with Gemini CLI skills discovery.
Details
- Kind
- Plugins
- Topic
- AI, RAG & memory
- Publisher
- alivirgo
- Origin
- gemini
- Category
- ferramentas
- Version
- 2.1.0
- Stars
- 1
- Open pull requests
- 1
- Last push
- 2026-09-07T17:44:54Z
- Repository state
- ativo
- Language
- HTML
- License
- MIT
- Added
- 2026-08-30 14:13:39
- Updated
- 2026-09-11 16:02:30
- Origin id
alivirgo/major-ai-skills
README
# Major AI Skills > **Installable GitHub library of agentic skills / AI agent skills (`SKILL.md` playbooks) for Claude Code, Cursor, Codex CLI, Gemini CLI, Antigravity, and more - focused on professional apps, token efficiency, and practical prompting habits.** **Current release: V2.1.1.** Flat `skills/<id>/SKILL.md` layout, multi-host `npx` installer, catalog index, specialized plugins, and bundles - with deep product skill content (CAD, video, 3D, design, desktop utilities) plus efficiency and common-sense skills. Coding agents can install exact skill IDs into the directory their host watches. You keep control: preview with `--dry-run`, filter by `--skills` / `--category`, or install a specialized pack. ```text Project / task -> you (or the agent) pick exact skill IDs from the catalog -> npx major-ai-skills --<host> --skills <ids> --dry-run -> review the plan -> install without --dry-run -> invoke with @skill-id ``` This is an independent community project. Product names (SolidWorks, Raycast, Claude, Cursor, Antigravity, etc.) are referenced only to describe compatibility and skill scope. [](LICENSE) [](https://claude.ai) [](https://cursor.sh) [](https://github.com/openai/codex) [](https://github.com/google-gemini/gemini-cli) [](https://github.com/alivirgo/Major-AI-Skills) [](CATALOG.md) [](https://www.npmjs.com/package/major-ai-skills) [](https://github.com/alivirgo/Major-AI-Skills/pkgs/npm/major-ai-skills) [](https://github.com/alivirgo/Major-AI-Skills/releases/tag/v2.1.1) [](#installation) [](#installation) [](https://alivirgo.github.io/Major-AI-Skills/) [](https://medium.com/@alithetechguy/what-are-ai-agent-skills-claude-code-cursor-skill-md-explained-plus-392-skill-library-to-instal-a4218fa6f0b5) [](https://alivirgo.github.io/Major-AI-Skills/llms.txt) ## Daily downloads [](https://www.npmjs.com/package/major-ai-skills) Updated automatically from npm's public download API every 12 hours. ## Why This Repo - **Agentic skills that are installable, not just inspirational**: `npx major-ai-skills --claude|--cursor|--codex|--gemini|--antigravity` places `SKILL.md` where your AI coding assistant already looks. - **Product-depth skill library**: CAD, video, 3D, GIS, medical, music, ERP, forensics, PLC, desktop utilities - not only generic coding tips. - **Efficiency + common sense**: token-saving techniques and plain-English prompting habits in the same catalog. - **Built for major agent workflows**: Claude Code skills, Cursor skills, Codex CLI skills, Gemini CLI skills, Antigravity skills, Kiro, OpenCode, and custom paths. - **Focused delivery**: specialized plugins and bundles so you do not overload Antigravity / Cursor context windows. - **Inspect before installing**: `--dry-run`, [CATALOG.md](CATALOG.md), and [skills_index.json](skills_index.json). ### Why not only browse folders? A flat `SKILL.md` skill library with stable IDs, an index, and a host-aware installer turns prose into reproducible local agent capability - the distribution pattern popular search traffic expects from modern agent-skill repos, applied to **our** genuine skills. ## Table of Contents - [Why This Repo](#why-this-repo) - [Installation](#installation) - [Recommended Specialized Plugins](#recommended-specialized-plugins) - [Choose Your Tool](#choose-your-tool) - [Quick FAQ](#quick-faq) - [Bundles & Workflows](#bundles--workflows) - [Browse the Catalog](#browse-the-catalog) - [Compare Alternatives](#compare-alternatives) - [Contributing](#contributing) - [License](#license) ## Installation Prefer an exact reviewed set. Full Antigravity installs can exhaust context because the host watches `~/.agents/skills`. ### Where to get Major AI Skills | Platform | Install / consume | | --- | --- | | **npm** (primary) | `npx major-ai-skills --<host> --skills <ids>` · [npmjs.com/package/major-ai-skills](https://www.npmjs.com/package/major-ai-skills) | | **GitHub Packages** | Scoped package [`@alivirgo/major-ai-skills`](https://github.com/alivirgo/Major-AI-Skills/pkgs/npm/major-ai-skills) (fills the repo **Packages** sidebar) | | **GitHub Release** | Download `major-ai-skills-2.1.1.tgz` from [V2.1.1](https://github.com/alivirgo/Major-AI-Skills/releases/tag/v2.1.1) | | **skills.sh / Vercel skills CLI** | `npx skills add alivirgo/Major-AI-Skills` (discovery via install telemetry) | | **Claude Code marketplace** | Add this repo as a marketplace (`.claude-plugin/marketplace.json`), then install a specialized plugin | | **Gemini CLI gallery** | `gemini-extension.json` + topic `gemini-cli-extension` (auto-indexed) · `gemini extensions install https://github.com/alivirgo/Major-AI-Skills` | | **CDN** | [jsDelivr](https://cdn.jsdelivr.net/npm/major-ai-skills@2.1.1/) / [unpkg](https://unpkg.com/major-ai-skills@2.1.1/) mirror the npm package | | **GitHub Pages** | Browse catalog: [alivirgo.github.io/Major-AI-Skills](https://alivirgo.github.io/Major-AI-Skills/) | | **Medium** | Explainer: [What are AI agent skills? Claude Code, Cursor & SKILL.md](https://medium.com/@alithetechguy/what-are-ai-agent-skills-claude-code-cursor-skill-md-explained-plus-392-skill-library-to-instal-a4218fa6f0b5) | Full channel list + submit links: [docs/users/distribution.md](docs/users/distribution.md). #### npm (recommended) ```bash # Preview an exact set for Antigravity npx major-ai-skills --antigravity --skills raycast,ffmpeg,blender --dry-run # Cursor npx major-ai-skills --cursor --skills solidworks,figma,vscode # Claude Code npx major-ai-skills --claude --category cad,efficiency # Codex npx major-ai-skills --codex --skills playwright,docker,supabase ``` #### skills.sh (multi-agent) ```bash npx skills add alivirgo/Major-AI-Skills --list npx skills add alivirgo/Major-AI-Skills --skill blender --skill figma -g -y ``` #### GitHub Packages ```bash # One-time: authenticate to GitHub's npm registry # echo "//npm.pkg.github.com/:_authToken=YOUR_GH_TOKEN" >> ~/.npmrc npm install -g @alivirgo/major-ai-skills --registry=https://npm.pkg.github.com major-ai-skills --cursor --skills blender,figma ``` #### Claude Code plugin marketplace ```text /plugin marketplace add alivirgo/Major-AI-Skills /plugin install mas-cad-studio@major-ai-skills ``` ### Verify ```bash # macOS / Linux test -d ~/.cursor/skills && ls ~/.cursor/skills # Windows PowerShell Test-Path "$HOME\.cursor\skills" ``` ### Run your first skill ```text Use @blender to batch-rename mesh objects and export a clean FBX. ``` ## Recommended Specialized Plugins Start with the pack that matches the job: | Plugin | Best for | | --- | --- | | MAS CAD Studio | Mechanical and industrial design apps | | MAS Video Lab | Edit / motion / transcode workflows | | MAS 3D & Games | DCC tools and game engines | | MAS Design & Knowledge | Figma, Photoshop, Obsidian, Notion, Linear | | MAS Desktop Ops | OS utilities + Docker + VS Code | | MAS Efficiency Pack | Token and context savings | | MAS Common Sense Pack | Everyday prompting habits | Details: [docs/users/plugins.md](docs/users/plugins.md) · manifests in [`plugins/`](plugins/). ## Choose Your Tool | Tool | Install | First use | | --- | --- | --- | | Cursor | `npx major-ai-skills --cursor --skills <ids>` | `@raycast help me build a Script Command` | | Claude Code | `npx major-ai-skills --claude --skills <ids>` | Ask Claude to use `@solidworks` | | Codex CLI | `npx major-ai-skills --codex --skills <ids>` | Use `@docker` to harden a Compose file | | Gemini CLI | `npx major-ai-skills --gemini --skills <ids>` | Use `@figma` to map components to code | | Antigravity IDE | `npx major-ai-skills --antigravity --skills <ids> --dry-run` | Install only after review | | Antigravity CLI (agy) | `npx major-ai-skills --agy --skills <ids>` | `/ffmpeg compress this clip` | | Kiro | `npx major-ai-skills --kiro --skills <ids>` | Use `@obsidian` to structure a vault | | OpenCode | `npx major-ai-skills --opencode --category efficiency` | `@csv-over-json-tables` | | Custom path | `npx major-ai-skills --path ./my-skills --skills <ids>` | Depends on your host | Guides: - [Getting Started](docs/users/getting-started.md) - [Claude Code skills](docs/users/claude-code-skills.md) - [Cursor skills](docs/users/cursor-skills.md) - [Codex CLI skills](docs/users/codex-cli-skills.md) - [Gemini CLI skills](docs/users/gemini-cli-skills.md) - [Antigravity skills](docs/users/antigravity-skills.md) - [AI agent skills guide](docs/users/ai-agent-skills.md) ## Quick FAQ ### What are agentic skills / AI agent skills? **Agentic skills** (also called **AI agent skills**, **Claude Code skills**, **Cursor skills**, or `SKILL.md` playbooks) are reusable instruction packages that teach coding agents how to run a workflow with clearer constraints. Major AI Skills is an installable skill library of those playbooks focused on professional apps and efficient prompting. ### What is Major AI Skills? A curated, installable GitHub library of **392+ agent skills** for Claude Code, Cursor, Codex CLI, Gemini CLI, Antigravity, and related AI coding assistants - covering CAD, video, 3D, design, desktop utilities, devops tools, token efficiency, and common-sense habits. ### How do I install Claude Code skills or Cursor skills from this repo? ```bash npx major-ai-skills --claude --skills <ids> npx major-ai-skills --cursor --skills <ids> ``` See [claude-code-skills.md](docs/users/claude-code-skills.md) and [cursor-skills.md](docs/users/cursor-skills.md). ### Should I install everything? No. Prefer `--skills` or `--category`, or a specialized plugin. Antigravity watches `~/.agents/skills` - a full dump can exhaust context. Use `--all` only when you intentionally accept that risk. ### Where did the old folders go? Application, efficiency, and common-sense skills now live under `skills/<id>/SKILL.md`. Optional model variants remain as `gpt.md` / `gemini.md` inside the same folder. ### How do I browse? - [CATALOG.md](CATALOG.md) - [skills_index.json](skills_index.json) - [Hosted site](https://alivirgo.github.io/Major-AI-Skills/) ## Bundles & Workflows | Surface | Answers | Use it for | | --- | --- | --- | | Specialized plugin | What should I install for this domain? | Focused packs | | Bundle | Which skills belong together? | Role-based discovery | | Workflow | What order should the agent run skills in? | Outcome playbooks | - Bundles: [docs/users/bundles.md](docs/users/bundles.md) - Workflows: [docs/users/workflows.md](docs/users/workflows.md) ## Browse the Catalog What you get in this repository: - **Skills library** in [`skills/`](skills/) - **Installer CLI** via the npm package (`major-ai-skills`) - **Generated catalog** in [`CATALOG.md`](CATALOG.md) and [`skills_index.json`](skills_index.json) - **Plugins & bundles** in [`plugins/`](plugins/) and [`data/bundles.json`](data/bundles.json) - **Docs** under [`docs/`](docs/) - **GitHub Pages** site in [`index.html`](index.html) Categories include: CAD, video, 3D, games, design, knowledge, desktop (macOS/Windows/Linux), GIS, scientific, medical, music, ERP, enterprise, EDA, forensics, PLC, network, efficiency, common-sense, devops, automation, testing, office, and more. ## Compare Alternatives High-intent guides for people comparing skill libraries on Google / GitHub / AI answer engines: - **[Best Claude Code skills on GitHub](https://alivirgo.github.io/Major-AI-Skills/best-claude-code-skills/)** - HTML landing (also [md](docs/users/best-claude-code-skills-github.md)) - **[Best Cursor skills on GitHub](https://alivirgo.github.io/Major-AI-Skills/best-cursor-skills/)** - HTML landing (also [md](docs/users/best-cursor-skills-github.md)) - **[Best Antigravity skills](https://alivirgo.github.io/Major-AI-Skills/best-antigravity-skills/)** - **[What are AI agent skills?](https://alivirgo.github.io/Major-AI-Skills/what-are-agent-skills/)** - **[Medium: What are AI agent skills? Claude Code, Cursor & SKILL.md explained](https://medium.com/@alithetechguy/what-are-ai-agent-skills-claude-code-cursor-skill-md-explained-plus-392-skill-library-to-instal-a4218fa6f0b5)** - FAQ/GEO-style article - **[Major AI Skills vs agentic-awesome-skills](https://alivirgo.github.io/Major-AI-Skills/vs-agentic-awesome-skills/)** - **[Professional app skills](https://alivirgo.github.io/Major-AI-Skills/app-skills/)** - SolidWorks, Blender, Figma, … - **[AI answer engines / GEO](docs/users/ai-answer-engines.md)** - ChatGPT, Perplexity, Gemini, Copilot, Claude citation surfaces - Large coding catalogs such as [agentic-awesome-skills](https://github.com/sickn33/agentic-awesome-skills) remain excellent for generic agent workflows; Major AI Skills specializes in **product-depth** and **efficiency** skills you can install beside them Machine-readable discovery for answer engines and agents: - https://alivirgo.github.io/Major-AI-Skills/llms.txt - https://alivirgo.github.io/Major-AI-Skills/llms-full.txt - https://alivirgo.github.io/Major-AI-Skills/skills_index.json - [skills_index.json](skills_index.json) (repo copy) ## Contributing - Add skills under `skills/<skill-name>/SKILL.md` - Start from [docs/contributors/skill-template.md](docs/contributors/skill-template.md) - Validate with `npm run validate` and refresh the index with `npm run index` - See [CONTRIBUTING.md](CONTRIBUTING.md) ## Community - [Discussions](https://github.com/alivirgo/Major-AI-Skills/discussions) for ideas - [Issues](https://github.com/alivirgo/Major-AI-Skills/issues) for bugs - [Medium article](https://medium.com/@alithetechguy/what-are-ai-agent-skills-claude-code-cursor-skill-md-explained-plus-392-skill-library-to-instal-a4218fa6f0b5) - agent skills FAQ for SEO / GEO / AI - [CODE_OF_CONDUCT.md](CODE_OF_CONDUCT.md) · [SECURITY.md](SECURITY.md) ## License MIT - see [LICENSE](LICENSE).