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Found 67 Skills
Validate readiness to advance between development phases. Produces a PASS/CONCERNS/FAIL verdict with specific blockers and required artifacts. Use when user says 'are we ready to move to X', 'can we advance to production', 'check if we can start the next phase', 'pass the gate'.
Analyzes what is done and the users query and offers advice on what to do next. Use if user says what should I do next or what do I do now or I'm stuck or I don't know what to do
Colyseus multiplayer patterns for Starwards - @gameField decorators, state sync, JSON Pointer commands, room architecture, and avoiding common Colyseus pitfalls; state is source of truth, server authoritative
Runtime context passed to compiled closures — the world as seen from inside
Add a new gameplay feature to your game — just describe what you want
Replace primitive 3D shapes with real GLB models — animated characters, world props, buildings, and scenery for Three.js games
Use this skill when working with Phaser 4 scenes. Covers scene lifecycle methods, scene transitions, parallel scenes, scene communication, sleeping, pausing, restarting, and the SceneManager. Triggers on: Scene, scene lifecycle, preload, create, update, scene transition, SceneManager.
Concept prototype — validate the core idea is worth designing before writing GDDs. Run right after /brainstorm and /setup-engine. Routes to HTML, Engine, or Paper path based on game type. Produces a throwaway build and a PROCEED/PIVOT/KILL verdict.
Use when interacting with Unity CLI from the terminal — install, upgrade or uninstall editors, create, list or open projects, manage modules, manage licenses, check auth status, read logs, browse Unity releases, build/test projects, configure the Unity MCP server for AI agents, or run any other Unity CLI operation. For a guided idea-to-running-project flow for a brand-new game, use the new-unity-project skill instead.
Build branching dialogue and narrative — a node/choice graph with conditions, variables, and localization hooks — and choose between authoring tools Ink and Yarn Spinner or a custom data-driven runner. Engine-neutral. Use when the user mentions dialogue system, branching dialogue, conversation tree, choices, Ink (.ink), Yarn Spinner (.yarn), or NPC dialogue.
Use when the agent is building or iterating on a web game (HTML/JS) and needs a reliable development + testing loop: implement small changes, run a Playwright-based test script with short input bursts and intentional pauses, inspect screenshots/text, and review console errors with render_game_to_text. Originally from OpenAI's curated skills catalog.
Guided game concept ideation — from zero idea to a structured game concept document. Uses professional studio ideation techniques, player psychology frameworks, and structured creative exploration.