Developer Tools & Repos Agent Skills for Codex CLI

Analyzes the current project structure and tech stack.

2D game development principles. Sprites, tilemaps, physics, camera.

Three.js lighting - light types, shadows, environment lighting.

Complete Drift Protocol SDK for building perpetual futures, spot trading, and DeFi applications on Solana.

This skill SHOULD be used when writing, reviewing, or refactoring Neovim plugins in Lua.

OTP/BEAM patterns and Elixir idioms — GenServer, Supervisor, Task, Registry, pattern matching, with chains, pipes.

Streamlines embedded firmware development for MCU platforms using a structured RIPER-5 protocol and hardware-aware workflows.

Use before implementing non-core PlayCanvas behavior to discover the installed Engine's curated scripts and reuse or adapt those that fit…

HTMX and templ interaction rules for the Engram dashboard.

Adapter boundary rules for plugin integrations.

Deep technical review protocol for Engram pull requests.

Repository structure and placement rules for Engram.

Spec-Driven Development workflow for Engram.

TypeScript code style, type co-location, constant naming conventions, and arktype patterns.

ERNE — Implement features using the senior-developer agent

ERNE — Test-driven development workflow with Jest and React Native Testing Library

ERNE — Version migration for Expo SDK and React Native using the upgrade-assistant agent

Automates the configuration, target setting, and compilation process for Espressif ESP-IDF embedded projects.

Event-Driven Architecture knowledge base.

Build AI agents using prompt-native architecture where features are defined in prompts, not code.

Kotlin Multiplatform expect/actual patterns for platform-specific APIs.