Developer Tools & Repos Agent Skills for Grok Build

Create 3D scenes, interactive experiences, and visual effects using Three.js.

Use when a PR has review feedback to address, needs review, or when triggered by "/pr-review", "address review feedback", "review feedback…

Master Minecraft server plugin development with Bukkit, Spigot, and Paper APIs.

Master ERC-721 and ERC-1155 NFT standards, metadata best practices, and advanced NFT features.

PC and console game development principles.

Three.js scene setup, cameras, renderer, Object3D hierarchy, coordinate systems.

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

Three.js materials - PBR, basic, phong, shader materials, material properties.

Enforce clean human-only authorship on everything git and GitHub — no AI/agent attribution anywhere.

Use framework caches and value/query caching to reduce work; add tags, locks, and explicit invalidation strategies for correctness

When to activate: Node.js, Express, Fastify, streams, EventEmitter, child_process, cluster, worker_threads, HTTP server

Nordic Semiconductor nRF5x/nRF Connect SDK expertise

GitHub notifications command center -- read, filter, triage, and manage notifications entirely from the editor.

Create a repeatable local Notion development loop using fixtures, mocks, and an explicitly shared sandbox.

Use when Now Playing metadata doesn't appear on Lock Screen/Control Center, remote commands (play/pause/skip) don't respond, artwork is…

This skill should be used when the user asks to "map NPC relationships", "show character connections", "analyze NPC network", "who knows…

Manage NuGet packages using Central Package Management (CPM) and dotnet CLI commands.

Oban job processing — workers, perform/1 (OSS) and process/1 (Pro), queues, cron, retries, unique jobs, idempotency, Oban Pro (Workflow…

Generates Object Pool pattern for PHP 8.4.

Use when debugging memory leaks from blocks, blocks assigned to self or properties, network callbacks, or crashes from deallocated objects…

ObservableGodot project reference — C++ GDExtension interceptors, .NET data fabric, Parquet output, three-tier pipeline