CAT Agent Skills

A community gallery of skills for AI agents — reusable instruction sets (and optional script bundles) you can drop into Cowork, Copilot Studio, and Scout agents. The site is inspired by pcf.gallery: an infinitely scrolling, searchable, filterable grid of skills, each with its own detail page and downloads.

Built with Astro + Tailwind CSS, deployed as a static site to GitHub Pages.

✨ Features

• Infinite-scroll gallery with auto-generated branded covers (no image assets to maintain).
• Platform filtering across Cowork, Copilot Studio, and Scout.
• Client-side search and tag filtering with shareable ?q=/?tag=/?platform=/?sort= URLs.
• Sort by Featured, Top rated, Name, or Newest.
• Skill detail pages rendering the instructions, metadata, and downloads.
• Skill ratings: 👍 a skill with your GitHub account (via GitHub Discussions); the gallery bakes in the counts and offers a “Top rated” sort. See docs/ratings.md.
• Downloads: the skill as a SKILL.md file, plus an optional .zip bundle when a skill ships files beyond its SKILL.md.
• More than skills: also hosts Cowork plugins (M365 .zip packages) and Scout automations (scheduled .json exports) and Scout automation installers (a .zip with an INSTALL.md + JSON config that sets the automation up), each with its own badge, filter, and verbatim download.

🚀 Local development

npm install
npm run dev      # start the dev server (http://localhost:4321/cat-agent-skills)
npm run build    # production build into ./dist
npm run preview  # preview the production build locally

The site is configured with a base path of /cat-agent-skills for GitHub Pages, so local URLs include that prefix.

🧩 Adding a skill

Add one submission to the submissions/ folder and open a PR — you never edit src/content/skills/ by hand. CI validates the metadata and generates the published page (and any download bundle) for you. See CONTRIBUTING.md for the full guide.

Every submission is a submissions// folder with a metadata.json sidecar plus one skill payload — an unpacked SKILL.md (+ optional dirs):

submissions//
├── metadata.json  # OR metadata.yaml — catalog details (sidecar, not bundled)
├── README.md      # OPTIONAL human-facing note (not bundled) — shown on the page
└── an unpacked skill:
    ├── SKILL.md    # name + agent description + instructions
    ├── scripts/    # optional executable code
    ├── references/ # optional docs
    └── assets/     # optional templates / data files

A skill carries two descriptions: the agent description in SKILL.md frontmatter (what the model reads to decide when to invoke), and the catalog description in metadata.json (the friendly one-liner shown in the gallery). An optional README.md adds a third, human-only voice: it never ships to the agent and, when present, becomes the main content on the detail page — the author’s overview, setup, and usage — with the exact SKILL.md still offered as the download.

submissions/my-great-skill/SKILL.md:

---
name: my-great-skill
description: Use this skill whenever the user… (the agent-facing trigger).
---

Write the agent instructions here as Markdown — this body becomes the
"Instructions" section on the detail page.

submissions/my-great-skill/metadata.json:

{
  "name": "My Great Skill",
  "description": "One-line catalog summary shown on the card and detail page.",
  "platforms": ["Cowork", "Copilot Studio", "Scout"],
  "tags": ["productivity", "automation"],
  "author": "Your Name",
  "authorUrl": "https://example.com",
  "version": "1.0.0"
}

name, description, platforms, and tags are required (platforms must be one or more of Cowork, Copilot Studio, Scout). PRs run a build check that validates every skill against the schema.

Besides single skills, you can submit a Scout automation (a .json export, Scout-only). It drops into submissions// the same way and is auto-detected by its payload. (Cowork plugins and Scout automation installers were .zip packages and are no longer accepted — .zip payloads have been retired; existing ones stay published.) See submissions/README.md for the details.

📁 Project structure

src/
  components/      SkillCard, SkillCover (the branded "screenshot")
  content/skills/  generated skill pages (produced from submissions/ — do not edit by hand)
  layouts/         base page layout
  lib/             cover theming + small helpers
  data/            ratings.json (build-time 👍 snapshot; see docs/ratings.md)
  pages/
    index.astro          home gallery (search + filter + sort + infinite scroll)
    skills/[slug].astro  skill detail page (instructions, download, ratings)
    skills/[slug].md.ts  raw Markdown download endpoint
    tags/[tag].astro     per-tag listing
    skills.json.ts       metadata endpoint
public/
  bundles/         downloadable .zip skill bundles
submissions/       drop-in skill submissions (folders imported by CI)
scripts/           import-submissions + validate-skill + fetch-ratings
.github/workflows/ ci.yml (PR build check) + deploy.yml (Pages deploy + ratings)

🚢 Deployment

Pull requests run .github/workflows/ci.yml, which builds the site (and thereby validates every skill against the content schema). Pushing to main triggers .github/workflows/deploy.yml, which builds and publishes the site to GitHub Pages at https://microsoft.github.io/cat-agent-skills/. Enable Pages in the repo settings with the GitHub Actions source.

Before each build, deploy.yml runs npm run ratings:fetch to snapshot 👍 counts from GitHub Discussions, and a daily schedule cron refreshes them without a code push. See docs/ratings.md for the one-time giscus/Discussions setup.

🆘 Support

CAT Agent Skills is an example implementation. The underlying Microsoft features (Power Apps, Power Automate, Dataverse, Copilot Studio, etc.) are fully supported, but the skills themselves are provided as-is. See SUPPORT.md for how to file issues and get help.

License

MIT