Agent skills for ChatGPT

Create a clean agency design system built from nested containers, with an outer editorial shell, inset dark feature blocks, rounded…

Example skill at the root of the nested structure demonstrating depth 1

Spawn nested sub-agents (agents that spawn sub-agents, up to depth=5) via Claude Code's native Task tool — for context-managed deep…

INVOKE THIS SKILL when working with LangSmith tracing OR querying traces.

NestJS architecture patterns for modules, controllers, providers, DTO validation, guards, interceptors, config, and production-grade…

Migrate a .NET 10 project or solution to .NET 11 and resolve all breaking changes.

Guides technology selection and implementation of AI and ML features in .NET 8+ applications using ML.NET, Microsoft.Extensions.AI (MEAI)…

Orchestrates, monitors, and deploys cloud-native distributed applications using the .NET Aspire stack.

Build ASP.NET Core 8+ backend services with EF Core, auth, background jobs, and production API patterns.

Master C#/.NET patterns for building production-grade APIs, MCP servers, and enterprise backends with modern best practices (2024/2025).

Choosing the right concurrency abstraction in .NET - from async/await for I/O to Channels for producer/consumer to Akka.NET for stateful…

.NET Generic Host patterns for headless game servers — BackgroundService tick loops, DI patterns, graceful shutdown, WebSocket hosting

Guide for creating custom .NET MAUI handlers, customizing existing handlers with property mappers, and implementing platform-specific…

Guide for implementing deep linking in .NET MAUI apps.

Guidance for file picker, file system helpers, bundled assets, and app data storage in .NET MAUI applications.

Guidance for picking photos/videos, capturing from camera, multi-select (.NET 10), MediaPickerOptions, platform permissions, and…

Performance optimization guidance for .NET MAUI apps covering profiling, compiled bindings, layout efficiency, image optimization…

MVVM architecture for .NET game backends — System.Reactive, DynamicData, SourceCache, ViewModel binding with Godot nodes, ItemsNode…

Covers patterns and gotchas for .NET script files with shebang headers, including package references, the --help interception limitation…

Reference data for .NET test framework detection patterns, assertion APIs, skip annotations, setup/teardown methods, and common test smell…

Resolve .NET and C# timezone questions with TimeZoneInfo, DateTimeOffset, TimeZoneConverter, NodaTime, UTC conversion, daylight saving…