Developer Tools & Repos Agent Skills for ChatGPT

Generates D&D 5e compatible homebrew content (items, feats, spells, backgrounds) for a specific setting where oversized diapers are…

Create and maintain source-bound SagaSmith D&D campaigns.

This skill should be used when creating Daggerheart adversaries, building stat blocks, designing encounters, or determining enemy…

This skill should be used when the GM needs to look up Daggerheart rules, reference what the SRD says, find official rules, get exact…

Automatic graph layout using dagre with React Flow (@xyflow/react).

Your daily GitHub command center -- generates a comprehensive briefing (markdown + HTML) of everything needing your attention: issues…

iOS application development guide covering UIKit, SnapKit, and SwiftUI.

Enforces which Dart 3 construct each declaration earns — sealed class + exhaustive switch with no `default:`/`case _:`, the three class…

When to activate: Dart language patterns, null safety, extensions, mixins, generics, sealed classes, records, pattern matching

Kotlin patterns, DatResult, session and capability conventions for DAT SDK Android development

Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through…

Optimize your SaaS app across four dimensions - Speed (page load, API response), Code (unused files, dead code), Database (orphaned data…

Guidance for implementing CollectionView in .NET MAUI apps — data display, layouts (list & grid), selection, grouping, scrolling, empty…

Guidance for .NET MAUI XAML data bindings, compiled bindings, value converters, binding modes, multi-binding, relative bindings, and MVVM…

Guide for theming .NET MAUI apps—light/dark mode support, AppThemeBinding, dynamic resources, ResourceDictionary theme switching, and…

Analyze staged/unstaged changes and create semantic conventional commits with context about WHY, not just WHAT.

Provides comprehensive guidance for COLA architecture including adapter layer, application layer, domain layer, and infrastructure layer.

Create and manage a DDD bounded context with standard directory structure.

Diagnose and fix "module factory is not available.

Debug iOS apps and profile performance using LLDB, the interactive Memory Graph Debugger, and Instruments.

Common issues, Developer Mode, version compatibility, and session and stream diagnosis