Developer Tools & Repos Agent Skills for Devin Desktop

Master Unity ECS (Entity Component System) with DOTS, Jobs, and Burst for high-performance game development.

Product and business-rule guardrails for Engram.

Three.js geometry creation - built-in shapes, BufferGeometry, custom geometry, instancing.

Three.js asset loading - GLTF, textures, images, models, async patterns.

Three.js textures - texture types, UV mapping, environment maps, texture settings.

Launch the Adventure Engine application for an adventure project.

Resolves HTTP routes (GET /api/orders) and console commands (app:process-payments) to their handler files.

Use when creating or modifying Model Context Protocol (MCP) servers with FastMCP framework - guides through tools, resources, prompts…

Help users work with ERC-7579 modular smart accounts using Nethereum — install and manage validators (ECDSA, multisig, social recovery)…

Automate Dungeon Fighter Online tasks via Rube MCP (Composio).

Automate Epic Games tasks via Rube MCP (Composio).

Master Godot 4 GDScript patterns including signals, scenes, state machines, and optimization.

Master Unity ECS (Entity Component System) with DOTS, Jobs, and Burst for high-performance game development.

Use when erlang's concurrency model including lightweight processes, message passing, process links and monitors, error handling patterns…

Use when oTP behaviors including gen_server for stateful processes, gen_statem for state machines, supervisors for fault tolerance…

ERNE — Build a focused feature unit using the feature-builder agent

Error and exception handling for an APIMatic-generated .NET SDK in C# — load before writing any try/catch around an SDK call, an…

Enforces a typed-error spine — a hand-rolled sealed Result<T,F> plus one per-boundary sealed Failure carrying a stable code and typed…

Error Message Style Guide for Validation Errors

Enforce code quality through ESLint compliance.

Explains the technical architecture for bridging React and TypeScript with Unreal Engine 5's UMG UI system.