GitHub Copilot

Three agents. Three conventions.

One feature, built three ways in one sprint.

What you'll learn

Why every AI coding agent starts each session from zero
How one AGENTS.md file gives every tool the same rules
How Claude Code reads it through CLAUDE.md

copilot 9 steps 51 seconds January 13, 2026 —

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Understand it one step at a time

The short runs these in order in about 51 seconds. Here they are written out — pick any step to jump the short straight to it.

1 Step 1 of 9

One feature, three tools

Three developers build parts of one feature: save favourite restaurants.

Free app · no app store

These are built for a phone

Every short is drawn at full portrait height, the shape a phone already is. Installed, it opens full-bleed with no address bar across the top — and the whole library reads offline.

Read deeper on GitHub Copilot

Twenty seconds gets the shape of an idea across. These go into how it behaves in production.

AGENTS.md in 2026: The Pain Points It Removes and the Workload It Saves

AI agents write more code each month than teams can review by hand. AGENTS.md is the one file that keeps it consistent: solo, team or enterprise.
Building a GitHub Copilot Security Agent for Legacy Systems (Honestly)

Learn what a GitHub Copilot security agent can find in a legacy system, what it can miss, and why scanners and people must still approve changes.
Making GitHub Copilot Understand a Legacy Codebase Nobody Documented

A repeatable method for legacy discovery: turning the business rules, workflows and history a codebase never documented into knowledge Copilot uses.

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