gamestack marketplace

{
  "$schema": "https://anthropic.com/claude-code/marketplace.schema.json",
  "name": "gamestack",
  "owner": {
    "name": "Arcos Labs",
    "email": "[email protected]"
  },
  "metadata": {
    "description": "An agentic framework for building games on any platform. A first-party design/production brain plus curated, engine-specific skill packs (Godot, Unity, Unreal) so one agent can take a game from concept to shipped code regardless of engine.",
    "version": "0.11.4"
  },
  "plugins": [
    {
      "name": "gamestack",
      "source": "./plugins/gamestack",
      "description": "First-party foundation (engine-agnostic): the design/discipline brain in four tiers — universal craft (fundamentals, game feel, level design, onboarding, UI/UX, difficulty & balancing, pacing, art direction), technical craft (3D graphics & rendering, shaders & VFX, animation systems, procedural geometry), genre lenses (open-world, RPG, combat, narrative, worldbuilding, permadeath), and technique modules (procgen, AI-authored coherence, systemic/emergent) — plus the headless generate-and-review process and the iteration-loop fidelity procedure (reference→diff→prioritize→generate→verify, human + AI playtester, human checkpoint before scaling a visual change or committing a heavyweight generation), with a concrete worked Godot example in docs/headless-architecture.md (input→verb→seam, test benches, deterministic headless time, a playtest API, CI). Pairs with the engine packs below: design here, implement there.",
      "version": "0.11.4",
      "category": "game-development",
      "keywords": ["gamedev", "game-design", "procedural-generation", "rendering", "shaders", "animation", "open-world", "combat", "systems-design", "headless", "playtesting"]
    },
    {
      "name": "godot",
      "source": { "source": "github", "repo": "jame581/GodotPrompter", "ref": "master" },
      "description": "Godot 4.x engine skills (third-party, MIT, by jame581 — GodotPrompter): GDScript patterns, system