Skills are modular capabilities you can use directly with Copilot. Just ask naturally!

Creates automated UI tests for GitHub issues. Creates a HostApp page + NUnit test and iterates until tests actually fail, proving they catch the bug.

Example prompts:

write UI test for issue #12345

create a UI test that verifies Button click updates a Label

Creates XAML unit tests for parsing, compilation, and source generation bugs.

Example prompts:

write XAML test for issue #12345

create test for x:Name resolution bug

Verifies that tests actually catch the bug — tests should FAIL without the fix, PASS with the fix. Auto-detects the test type (UI tests, device tests, unit tests).

Example prompts:

verify my tests fail without the fix on Android

run full verification on iOS

Builds and runs .NET MAUI device tests locally on simulator/emulator.

Example prompts:

run device tests for Controls on Android

run device tests for Core on iOS

Submits and monitors .NET MAUI unit tests on Helix infrastructure.

Example prompts:

run XAML unit tests on Helix

run Core tests on Helix

Builds, packs, and runs .NET MAUI integration tests locally.

Example prompts:

run integration tests

Evaluates test quality, coverage, and appropriateness on PRs that add or modify tests. Also available as a gh-aw workflow triggered by the /evaluate-tests slash command.

Example prompts:

evaluate tests on PR #12345

End-to-end PR reviewer. Orchestrates 3 phases — Pre-Flight, Try-Fix (4 models sequentially), Report. Used by Review-PR.ps1 in the automated pipeline. See PR Agent for full documentation.

Example prompts:

review PR #12345

Standalone deep code review with 345 MAUI-specific review rules distilled from 142 high-discussion PRs. Independence-first — forms opinion from code before reading PR description. Not currently part of the automated PR pipeline — used for manual standalone reviews.

Example prompts:

code review PR #12345

Attempts ONE alternative fix for a bug, tests it empirically, and reports results. Used by pr-review to explore independent approaches across multiple models.

Example prompts:

try an alternative fix for issue #12345

Finalizes a PR for merge — verifies title/description match the implementation and performs a light code review.

Example prompts:

finalize PR #12345 for merge

Finds open PRs that are good candidates for review, prioritized by age, CI status, and review state.

Example prompts:

find PRs to review

Analyzes a completed PR to extract lessons learned — what failed, what worked, what to reinforce. Generates recommendations for instruction files, skills, and documentation. See Learn From PR Agent for the agent that also applies the recommendations.

Example prompts:

what can we learn from PR #12345?

Queries and triages open GitHub issues. Loads a batch and presents issues one at a time for triage decisions with milestone suggestions.

Example prompts:

let's triage issues

grab me 10 issues to triage

Investigates Azure DevOps CI failures — build errors, Helix test logs, and binlog analysis.

Example prompts:

investigate CI failure on PR #12345