Skill Claude CodeCodex
Add user accounts and sign-in to this TanStack Start app. Use when the app needs authentication, sign-in, user accounts, protected routes, or per-user data. Triggers on "auth", "login", "log in", "sign in", "sign up", "account", "users", "authentication", "protected", "who is logged in", "current user", "per-user".
Skill Claude CodeCodex
Build browser games and interactive/canvas/3D experiences in this TanStack Start + React app. Use for any game, simulation, or WebGL/Canvas experience — 2D or 3D, single-player. Covers the game loop & timing, 3D orientation/camera conventions, collision, performance, assets, audio, save, game feel, and per-genre…
Skill Claude CodeCodex
Player-facing input signs for browser games: WASD, vehicles, flight, FPS mouse-look, and the #1 failure mode (inverted A/D). Mandatory control self-tests and a tiny test interface so you can verify A turns left before shipping. Load for ANY game with movement, steering, flying, driving, tanks, boats, mechs, drones…
Skill Claude CodeCodex
Design and build polished, non-generic UI for this TanStack Start + React + Tailwind v4 + shadcn/Radix app. Use whenever you create or restyle any interface surface — pages, landing pages, dashboards, forms, modals, nav, and game overlays (start screens, HUD, menus). Covers design tokens, layout, typography, color…
Skill Claude CodeCodex
Deep guide for game ANIMATION assets: motion cycles, action keyframes, effect sequences, and animation sprite sheets — built around a video-first pipeline. In this app-builder sandbox, execute via the video2dsprite / generate2dsprite skills (magenta + scripts), not ad-hoc ffmpeg. Use whenever generating anything that…
Skill Claude CodeCodex
Core discipline for ANY game-asset generation with Imagine tools: the engine-ready defaults users don't state, spec checklists, style anchoring, read-back verification, honest defect flagging. Use whenever generating any game art (sprites, sheets, animations, tiles, UI, FX) — then ALSO load the matching specialist…
Skill Claude CodeCodex
Deep guide for CHARACTER IDENTITY across images: turnarounds (front/side/ back), state and damage variants, palette swaps, equipment changes, and same-character-in-context sets. Use whenever generating character turnarounds, character sheets, variants of an existing sprite, or any same-subject multi-image set.…
Skill Claude CodeCodex
Deep guide for game TILE assets: seamless tileable textures, terrain transition tilesets, autotiles, and ground/platform tiles. Use whenever generating tileable textures, tilesets, terrain transitions, or seamless patterns. Complements game-asset-core.
Skill Claude CodeCodex
Deep guide for game UI assets: buttons with interaction states, panels, bars, wordmark logos, and icon sets. Use whenever generating game UI elements, HUD assets, inventory icons, icon sets, buttons, or title logos. Complements game-asset-core.
Skill Claude CodeCodex
Generate production-oriented 2D game maps with imaginetexttoimage: RPG/top-down maps, side-scroller parallax stages, tilemaps, layered raster maps, prop packs, collision zones, and walkable areas. Use when building browser games that need real map art (not pure code-drawn tiles), layered props, or map collision…
Skill Claude CodeCodex
Generate and postprocess 2D game sprites and animation sheets: pixel-art characters, NPCs, creatures, spells, projectiles, impacts, props, summons, and transparent PNG/GIF exports. Use when building browser games that need real sprite sheets (not code-drawn placeholders), matching a map art style, or producing…
Skill Claude CodeCodex
How to use the Imagine tools in Grok Build: imaginetexttoimage, imagineimagetoimage, imaginereferencetoimage, imaginetexttovideo, imagineimagetovideo, imaginereferencetovideo, and renderfile for chat previews. When to build a visual with code instead of generating it, prompt-craft, reference-first handling of real…
Skill Claude CodeCodex
Peer-to-peer realtime multiplayer over WebRTC data channels: every user of the deployed app connects directly to every other user (full mesh), the server only brokers the handshake at /api/rtc. Lowest possible latency, zero per-message server cost. Use for 2-8 player co-op/casual realtime: shared cursors, drawing…
Skill Claude CodeCodex
Use Neon Postgres (the database) in this TanStack Start app. Use when the app needs to store or query data, persist state, or keep per-user data. Triggers on "database", "Postgres", "Neon", "save data", "store data", "persist", "tables", "SQL", "query", "migrations".
Skill Claude CodeCodex
Share-link previews and app identity for apps on .grok.me: the injector-owned og:image card, the SVG favicon, and PWA icons for installable apps. Use when scaffolding, renaming, or restyling the app — and for share / unfurl / OG / Twitter card questions. A custom 1200×630 card from the app's own art is the default …
Skill Claude CodeCodex
Official Three.js API and TSL (Three.js Shading Language) reference for LLM code generation. Load when writing or debugging three.js / WebGL / WebGPU / custom materials / shaders / GLTF / advanced three APIs beyond basic game loop/controls. Prefer building-games for game correctness (loop, WASD, camera, orientation)…
Skill Claude CodeCodex
Grok Build only. Turn a 2D character still into denser animation sprites via imaginetexttoimage base → imagineimagetovideo (6s/10s run-in-place) → ffmpeg frames → magenta chroma-key → dense sampled strips/grids/GIFs. Use when the user wants video-to-sprite, smoother run/walk cycles, or denser intermediate poses.…
Skill Claude CodeCodex
Call the xAI API (Grok) from this app's server code using the injected XAIAPIKEY: chat/LLM features, image and video generation (Imagine), and voice (text-to-speech). Use when the app needs any "AI" / "assistant" / "chatbot" / "Grok" functionality, runtime image/video generation, or speech. Triggers on "AI", "LLM"…
Instructions file CodexOpenCode
AGENTS.md instructions for MasterBrogrammer/SW-OpenC64, covering app builder workspace, skills (in .grok/skills/ — consult before building), 0. two worlds (read this first), project instructions and where you are.