Development skills

Browse reusable Agent Skills, each with a clear purpose and practical guidance.

cross-platform-strategy

Guides expert-level cross-platform mobile strategy implementation: architecture and best-practices decision frameworks, production-ready patterns, and concrete templates for cross platform strategy workflows. Use when the user asks about cross-platform mobile strategy, cross platform strategy configuration, or mobile best practices for cross-platform projects. Do NOT use when the user needs a different mobile development capability -- check sibling skills in the mobile development subcategory.

543 repo starsObserved in 2 repos
Development
GitHub

csharp-aspnet-patterns

Guides expert-level ASP.NET Core development: minimal APIs vs Controllers decision tree, middleware pipeline, filters, configuration binding, health checks, and OpenAPI integration. Use when the user asks about ASP.NET Core, minimal APIs, Controllers, middleware, filters, configuration, health checks, .NET 8. Do NOT use when the user asks about C# project setup (use `csharp-project-setup`), C# async (use `csharp-async-patterns`), C# testing (use `csharp-testing-patterns`).

543 repo starsObserved in 2 repos
Development
GitHub

csharp-async-patterns

Guides expert-level C# async programming: async/await pitfalls, ValueTask vs Task decision tree, CancellationToken patterns, IAsyncEnumerable, and ConfigureAwait considerations. Use when the user asks about C# async, await, ValueTask, Task, CancellationToken, IAsyncEnumerable, ConfigureAwait, async patterns. Do NOT use when the user asks about C# modern idioms (use `csharp-modern-idioms`), C# performance (use `csharp-performance`), C# ASP.NET (use `csharp-aspnet-patterns`).

543 repo starsObserved in 2 repos
Development
GitHub

csharp-modern-idioms

Teaches expert-level modern C# patterns: records, pattern matching, nullable reference types, primary constructors, file-scoped namespaces, and global usings for C# 12+. Use when the user asks about C# records, pattern matching, nullable reference types, primary constructors, C# 12, modern C#. Do NOT use when the user asks about C# project setup (use `csharp-project-setup`), C# async (use `csharp-async-patterns`), C# testing (use `csharp-testing-patterns`).

543 repo starsObserved in 2 repos
Development
GitHub

csharp-project-setup

Guides expert-level .NET project initialization: SDK-style csproj, solution file structure, NuGet configuration, Directory.Build.props, and .NET 8+ project templates. Use when the user asks about C# project setup, .NET, csproj, solution file, NuGet, Directory.Build.props, .NET 8, dotnet new. Do NOT use when the user asks about C# modern idioms (use `csharp-modern-idioms`), C# testing (use `csharp-testing-patterns`), C# ASP.NET (use `csharp-aspnet-patterns`).

543 repo starsObserved in 2 repos
Development
GitHub

css-architecture

Guides expert-level css architecture implementation: html-css and web-development decision frameworks, production-ready patterns, and concrete templates for css architecture workflows. Use when the user asks about css architecture, css architecture configuration, or html-css best practices for css projects. Do NOT use when the user needs a different web development capability -- check sibling skills in the web development subcategory.

543 repo starsObserved in 2 repos
Development
GitHub

css-master

Advanced CSS expertise covering Grid and Flexbox mastery, custom properties architecture, responsive design methodology, CSS methodology selection, animation performance, container queries, cascade layers, and specificity management. Use when the user asks about css master, css master best practices, or needs guidance on css master implementation. Do NOT use when the user needs a different specialized skill or is asking about an unrelated technology domain.

543 repo starsObserved in 2 repos
Development
GitHub

data-catalog-builder

Data catalog and metadata management covering catalog architecture, DataHub and Amundsen setup, automated metadata ingestion, data lineage tracking, data discovery UX, classification and tagging, data governance integration, business glossaries, ownership models, and search optimization for enterprise data discoverability. Use when the user asks about data catalog builder, data catalog builder best practices, or needs guidance on data catalog builder implementation. Do NOT use when the user needs a different specialized skill or is asking about an unrelated technology domain.

543 repo starsObserved in 2 repos
Development
GitHub

data-catalog-setup

Produces a data catalog structure with table documentation templates, column-level lineage format, and governance tagging taxonomy. Outputs a complete catalog specification for organizing and discovering data assets across an organization. Use when the user asks to set up a data catalog, document their data assets, create a data dictionary, or establish data governance metadata standards. Do NOT use for data schema design (use data-schema-design), data quality rule definitions (use data-quality-rules), or ETL pipeline documentation (use etl-pipeline-design).

543 repo starsObserved in 2 repos
Development
GitHub

data-contract-designer

Expertise in designing and enforcing data contracts including schema definitions, API-first data interfaces, versioning strategies, backward and forward compatibility, contract testing, SLA enforcement, data quality assertions, and governance frameworks for reliable producer-consumer data relationships. Use when the user asks about data contract designer, data contract designer best practices, or needs guidance on data contract designer implementation. Do NOT use when the user needs a different specialized skill or is asking about an unrelated technology domain.

543 repo starsObserved in 2 repos
Development
GitHub