The skill structure that stops wasting tokens in Copilot
Progressive disclosure lets your agent skills load only the files they actually need — saving tokens...
Hello! Leonardo here :)
π-shaped Frontend Engineer, DevRel and Open Source maintainer.
Awarded GitHub Star ⭐️ since 2023 and Microsoft MVP 🔷 since 2024.
"Learning Web Development through Open Source"
Latest videos
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AI Hallucinating? Use the AskQuestions Tool
The Ask Question tool is hands down my favorite tool to give a Copilot coding agent in VS Code. In t...
Never Manually Split a Giant Commit Again
Ever end up with a ton of staged files and need to split them into multiple commits? I built a custo...
Copilot generates Skills for me now
Context engineering today means writing markdown files and VS Code Copilot ships with built-in promp...
I took the GitHub Copilot Certification Exam (GH-300)
Last week I took the GitHub Copilot certification (GH-300), so I figured I’d share how it went. In ...
TanStack Router: Breadcrumbs
Breadcrumbs are those links on top of a page informing the user where they're at while navigating yo...
Latest articles
Read all my articles (119) »
A Custom Copilot Agent That Splits Your Commits for You
Custom GitHub Copilot agent that splits staged files into logical commits: proposes the grouping, handles branch creation, and works across all projects.
Let VS Code write your Copilot skills for you
VS Code has a built-in /create-skills slash command that generates custom Copilot skills following the official guidelines. Here's how to use it to write better context for your AI coding sessions.
My Experience Taking the GitHub Copilot GH-300 Certification Exam
I passed the GitHub Copilot GH-300 certification exam and shared my honest experience in a video. How I prepared, what the Pearson VUE online proctoring is really like, and which topics caught me off guard.
Breadcrumbs in TanStack Router: A Complete Guide
Learn how to implement breadcrumbs in TanStack Router, from static data to dynamic route parameters and localization.
