Developer Tools & Repos Agent Skills for ChatGPT

Use when a PlayCanvas application submits too many draw calls or frame time is CPU-bound — repeated meshes, dense grids, always-on…

D&D 5e toolkit for players and DMs. Roll dice, look up spells and monsters, generate characters, create encounters, and spawn NPCs. Uses…

D&D 5e 2014/2024 standalone — no pip install needed.

Use the bundled D&D 5e 2014/2024 SRD corpora through the reviewed SagaSmith MCP rule-import and retrieval workflow.

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

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

Maps data transformation chains — Request DTO to Command to Entity to Response DTO.

Build apps with the Claude API or Anthropic SDK.

Architecture design skill with ADR records, system design checklists, scalability assessment, and architecture patterns

Comprehensive backend development guide for Node.js/Express/TypeScript microservices.

Expert guidance for developing with the tinystruct Java framework.

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

.NET MAUI Shell navigation guidance — Shell visual hierarchy, AppShell setup, tab bars, flyout menus, URI-based navigation with GoToAsync…

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

DDD architecture knowledge base. Provides patterns, antipatterns, and PHP-specific guidelines for Domain-Driven Design audits.

Finds code that can be safely deleted: unreachable, unused, obsolete compatibility, and commented-out code.

Systematic Godot debugging decision trees for physics, signals, rendering, navigation, and input issues

Diagnose MATLAB errors and unexpected behavior via MCP eval.

Decide where a boundary goes — and whether it earns its keep at all.

Configure enterprise role-based access control for Deepgram integrations.

Comprehensive CLI wrapper for dependency-cruiser to validate rules, find circular dependencies, and generate graphs.