Lab 4 · GitHub Copilot SDK

Time permitting · Windows, macOS, or Linux · .NET 10 + Node.js 22 or 24 + Visual Studio Code

Build a console application that accepts a webpage URL, opens it with Playwright, identifies accessibility problems, consults an application-owned WCAG catalog, and produces a structured report.

Explore the target app

Open the accessibility target app to see the intentionally introduced issues the workshop will investigate. You will use this page as browser evidence when building the report.

Starter

git clone https://github.com/jamesmontemagno/workshop-accessibility-agent.git
cd workshop-accessibility-agent
code .

Begin in start/HelloCopilotSDK, using Visual Studio Code and a terminal. Compiling checkpoints and completed samples are included beside it for recovery and comparison. Use git switch completed to inspect the finished reporter.

Core path

Prepare your machine
Create the first session
Stream responses
Expose a local C# tool
Connect Playwright MCP safely
Combine local and MCP tools
Produce a structured report
Run and explain the completed system

Optional extension

If time remains, continue to model selection.

Project: jamesmontemagno/workshop-accessibility-agent