Create new Agent Skills for GitHub Copilot. Use when asked to create, scaffold, or add a skill. Generates SKILL.md with frontmatter, directory structure, and optional resources.

Create VS Code file-based instructions (.instructions.md files). Use when asked to create, scaffold, or add file-based instructions for Copilot. Generates .instructions.md with YAML frontmatter and background knowledge content.

Create GitHub Actions workflows for CI, automation, or PR management. Use when asked to create, scaffold, or add a GitHub Actions workflow (.yml file under .github/workflows/).

Create custom GitHub Copilot agents. Use when asked to create, scaffold, or configure a custom agent, declarative agent, or @-invokable chat participant for GitHub Copilot.

Implementation details for the EF Core Azure Cosmos DB provider. Use when changing Cosmos-specific code.

Implementation details for EF Core change tracking. Use when changing InternalEntityEntry, ChangeDetector, SnapshotFactoryFactory, or related entity state, snapshot, or property accessor code.

Generate release notes for the dotnet/diagnostics repository. Use when asked to generate release notes, a release summary, or a changelog.

Investigate source-build failures in dotnet/dotnet VMR CI builds. USE FOR any mention of "prebuilt", "source-build/source-only failure", "source-build-assets (SBRP)", "poison", source-build repo build ordering problems, binary detection/removal, or any build leg failures that only occur in `SB_*` job names. DO NOT USE FOR regular CI test failures, codeflow staleness, dependency flow tracing, crash dumps, or general NuGet package management unrelated to source-build.

Reviews TypeScript code against the Google TS Style Guide.

Provides rules, patterns, and best practices for Gerrit backend system logic, Java APIs, performance, and correctness.

Provides rules, patterns, and best practices for code hygiene, formatting, downstream plugin dependencies, and release operations in Gerrit.

Provides guidance and best practices on Polygerrit UI development, frontend architecture, and TypeScript/JS coding standards in Gerrit.

Proofreads and suggests structural improvements for Git commit messages to ensure style guide compliance, completeness, and accuracy.

Media Mix Modeling with PyMC-Marketing. Use when building MMMs, specifying adstock/saturation transformations, setting priors, fitting multidimensional (geo-level) models, computing channel contributions, ROAS, running budget optimization, calibrating with lift tests, or performing sensitivity analysis. Covers the MMM class, GeometricAdstock, LogisticSaturation, BudgetOptimizerWrapper, and ArviZ diagnostics for marketing models.

Structure a research based on the user request. Identify what must change in order to complete the task.

Create a plan based on document research through an interactive, iterative process.

Create git commits for changes made during the session.

Learn how to work in the current folder (repository)

Structure a research based on the user request. Identify what must change in order to complete the task.

Create a plan based on document research through an interactive, iterative process.