Cross-agent skills · GitHub Copilot · Claude · Codex

jongio/skills

Jon Gallant's collection of skills for AI coding agents. Each skill lives in its own folder and installs individually or all at once — works with any agent that supports the SKILL.md format.

Browse skills View on GitHub

npx skills add jongio/skills --all

Skills

create-canvas-app

Build GitHub Copilot canvas extensions fast — a no-build Preact + htm kit with live SSE state, durable per-user storage, Primer theming, the official Lucide icon set, and a one-command generator.

View skill →

Install in your agent

install create-canvas-app from jongio/skills

create-gh-pages-site

Scaffold a working GitHub Pages site from a vetted template (static, Astro, React + Vite, Eleventy, or Jekyll) — the correct base path, the official GitHub Actions deploy, and content authored from your repo.

View skill →

Install in your agent

install create-gh-pages-site from jongio/skills

Install

Pick whichever fits your setup.

1 · Ask your agent

In Copilot (or any agent that supports plugins), just say:

install jongio/skills

2 · Skills CLI

npx skills add jongio/skills --list
npx skills add jongio/skills --skill create-canvas-app -g --agent github-copilot

3 · Copilot plugin marketplace

copilot plugin marketplace add jongio/skills
copilot plugin install create-canvas-app@jongio-skills

4 · Whole repo as one plugin

copilot plugin install jongio/skills

After any install, reload with /skills reload or start a new session.