Developer Tools & Repos Agent Skills for Codex CLI

This skill should be used when implementing multiplayer synchronization, using game.socket.emit/on, creating executeAsGM patterns for…

This skill should be used when the user asks to "migrate to V13", "upgrade to Foundry V13", "update module for V13", "fix V13…

This skill should be used when importing Foundry classes, registering sheets, loading templates, enriching HTML, or using any Foundry API…

Functional programming patterns for Node.js/Deno backend development using fp-ts, ReaderTaskEither, and functional dependency injection

Expert-thinking profile for FPGA Engineer (RTL design / timing closure / CDC / SoC integration / lab bring-up (Vivado, Quartus)): Reasons…

End-of-story completion review. Reads the story file, verifies each acceptance criterion against the implementation, checks for GDD/ADR…

Framer Plugin SDK expert. Use when building, debugging, or modifying Framer plugins. Covers plugin modes, UI, permissions, data storage…

Create and maintain framework parser and spec packages for markuplint — package types, naming, and the architectural constraints that…

Production-ready patterns for React Native development with Expo, including navigation, state management, native modules, and…

Frappe-specific search and discovery guidance for finding benches, apps, remotes, sites, ports, hooks, DocTypes, builder DocTypes, and…

Declarative web framework for building browser-based 3D, VR, and AR experiences using HTML and entity-component architecture.

Comprehensive skill for Babylon.js 3D web rendering engine.

Blender to web export workflows for 3D models and animations.

Fast, lightweight 2D rendering engine for creating interactive graphics, particle effects, and canvas-based applications using WebGL/WebGPU.

Lightweight WebGL/WebGPU game engine with entity-component architecture and visual editor integration.

Comprehensive skill for Adobe Substance 3D Painter texturing and material creation workflow.

Production-ready patterns for integrating frontend applications with backend APIs, including race condition handling, request…

Enhances code clarity by refactoring complex logic, naming anonymous conditions, and separating distinct execution paths.

Comprehensive React/TypeScript frontend code review with per-area review skills, run in parallel where the agent supports subagents and…

Optimizes frontend code maintainability by organizing related logic by domain and consolidating scattered constants into shared structures.

Standardizes frontend development by providing a comprehensive methodology for component design, state management, and performance…