agent-collaboration
Standard collaboration patterns for all squad agents — worktree awareness, decisions, cross-agent communication
⌘ K
Newest skills
3209 skills
vstest-build-test
Build, test, and validate changes in the vstest repository. Use when building vstest projects, running unit tests, smoke tests, or acceptance tests, or when deploying locally built vstest.console for manual testing.
validate-skills
Validate that commands documented in skill files actually work. Use when creating, updating, or reviewing skills to ensure all documented commands exit with code 0.
trx-analysis
Parse and analyze Visual Studio TRX test result files. Use when asked about slow tests, test durations, test frequency, flaky tests, failure analysis, or test execution patterns from TRX files.
expert-reviewing
Route code and dependency changes to relevant review dimensions based on affected files and folders. Use when reviewing PRs, including Dependabot updates, GitHub Actions and generated workflow changes, or specific vstest subsystems.
creating-skills
Create custom agent capabilities when discovering novel tools, receiving task-agnostic tips from reviewers, or after researching specialized workflows not covered in existing instructions. Teaches structure, YAML optimization for LLM discoverability, and token efficiency.
update-skills
Create or update repository skills and instructions when major learnings are discovered during a session. Use when the user says "learn!", when a significant pattern or pitfall is identified, or when reusable domain knowledge should be captured for future sessions.
update-pr
Update the pull request for the current session. Use when the user wants to push new changes to an existing PR.
troubleshoot
Investigate unexpected behavior in the current Copilot agent session by analyzing its event log. Use when the user asks why something happened, why a request was slow, why a tool was or was not used, or why instructions/skills/agents did not load.
sync
Sync the current session branch with its upstream branch, or publish the current session branch to a remote. Use when the user asks to sync a branch, pull latest changes, rebase onto upstream, push current branch, publish branch, or set upstream.
sync-upstream
Update a stale session branch by rebasing onto the latest origin. Use when the upstream has moved significantly and the session needs to catch up, resolving conflicts by preserving upstream changes and adapting session work to fit.
merge
Merge changes from the topic branch to the merge base branch. Use when the user wants to merge their session's work back to the base branch.
generate-run-commands
Generate or modify run commands for the current session. Use when the user wants to set up or update run commands that appear in the session's Run button.
fix-ci
Fix the failed CI checks for the current session. Use when the user requests a CI fix via the Fix Checks button in the Changes toolbar.
create-pr
Create a pull request for the current session. Use when the user wants to open a PR with the session's changes.
create-draft-pr
Create a draft pull request for the current session. Use when the user wants to open a draft PR with the session's changes.
commit
Commit staged or unstaged changes with an AI-generated commit message that matches the repository's existing commit style. Use when the user asks to 'commit', 'commit changes', 'create a commit', 'save my work', or 'check in code'.
code-review
Perform a code review of the current session's changes. Use when the user requests a code review via the Run Code Review button in the Changes toolbar.
act-on-feedback
Act on user feedback attached to the current session. Use when the user submits feedback on the session's changes via the Submit Feedback button.
troubleshoot
Investigate unexpected chat agent behavior by analyzing direct debug logs in JSONL files. Use when users ask why something happened, why a request was slow, why tools or subagents were used or skipped, or why instructions/skills/agents did not load.
create-instructions
Create an instructions file (.instructions.md) for a project rule or convention.