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Object pooling patterns for Unity to reduce GC allocations and improve performance.

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Unity procedural generation design-to-code translation. Noise-based terrain/placement, tile & grid systems, dungeon/room generation, seed & reproducibility, content budget & constraint systems, runtime vs baked generation. DESIGN INTENT format: INTENT/WRONG/RIGHT/SCAFFOLD/DESIGN HOOK. Based on Unity 6.3 LTS.

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Unity 6 2D game development guide. Use when building 2D games, working with sprites, sprite atlas, SpriteRenderer, tilemaps, 2D physics (Rigidbody2D, Collider2D), 2D lighting, sorting layers, or sorting groups. Based on Unity 6.3 LTS documentation.

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Unity 6 editor scripting and custom tools guide. Use when creating custom inspectors, EditorWindows, PropertyDrawers, Gizmos, Handles, menu items, or editor extensions. Covers SerializedObject/SerializedProperty pattern, AssetDatabase, and editor-only code with #if UNITY_EDITOR. Based on Unity 6.3 LTS documentation.

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Unity 6 core concepts and architecture guide. Use when working with GameObjects, Components, Transforms, Scenes, Prefabs, ScriptableObjects, or Unity project structure. Covers the entity-component architecture, object hierarchy, tags, layers, and project conventions. Based on Unity 6.3 LTS documentation.

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Unity 6 graphics and rendering guide. Use when working with render pipelines (URP, HDRP, Built-in), shaders, Shader Graph, materials, textures, cameras, post-processing, or rendering optimization. Covers Render Graph, batching, draw call optimization, and GPU instancing. Based on Unity 6.3 LTS documentation.

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Unity 6 Input System guide. Use when handling player input, controls, gamepad, keyboard, mouse, touch, or XR controllers. Covers the new Input System package (recommended), Input Actions, Action Maps, Control Schemes, PlayerInput component, and input debugging. Based on Unity 6.3 LTS documentation.

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Unity scene and asset architecture decisions. Additive scene composition, Addressables vs Resources, AssetReference workflow, asset lifecycle coordination, loading screens. DECISION format: WHEN/DECISION/SCAFFOLD/GOTCHA. Based on Unity 6.3 LTS.

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Unity 6 C# scripting guide. Use when writing MonoBehaviour scripts, handling lifecycle events (Awake, Start, Update, FixedUpdate), using coroutines or async/await (Awaitable), working with ScriptableObjects, events, delegates, or core APIs like Vector3, Quaternion, Time, Debug. Based on Unity 6.3 LTS documentation.

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Unity UI/UX pattern design-to-code translation. Screen flow architecture, View/ViewModel separation, HUD architecture, feedback & juice systems, dynamic list/grid views, transition & animation contracts. UI Toolkit only. DESIGN INTENT format: INTENT/WRONG/RIGHT/SCAFFOLD/DESIGN HOOK. Based on Unity 6.3 LTS.

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Unity 6 UI development guide. Use when building user interfaces, menus, HUD, buttons, or any UI elements. Covers UI Toolkit (recommended for new projects — USS, UXML, UI Builder, data binding), uGUI/Canvas (legacy runtime UI), and IMGUI. Based on Unity 6.3 LTS documentation.

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Unity New Input System correctness patterns. Catches common mistakes with action reading (triggered vs IsPressed vs WasPressedThisFrame), action map switching, rebinding persistence, InputValue lifetime, PassThrough vs Value, local multiplayer device assignment, and control scheme auto-switching. PATTERN format: WHEN/WRONG/RIGHT/GOTCHA. Based on Unity 6.3 LTS.

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Unity 6 AI and navigation guide. Use when working with NavMesh, pathfinding, NavMeshAgent, NavMeshSurface, NavMeshObstacle, off-mesh links, or Unity Sentis (ML model inference). Covers AI navigation package, runtime NavMesh baking, and common AI patterns like state machines and behavior trees. Based on Unity 6.3 LTS documentation.

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Unity level design-to-code translation. Trigger & event architecture, encounter design contracts, checkpoint & respawn, cinematic & scripted sequences, environmental storytelling hooks, level streaming & loading seams. DESIGN INTENT format: INTENT/WRONG/RIGHT/SCAFFOLD/ DESIGN HOOK. Based on Unity 6.3 LTS.

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Validates a project's Google Mobile Ads (GMA) SDK integration for iOS, Android, or Unity projects. Use when conducting a full pre-launch audit of an app that integrates GMA SDK or when validating any individual GMA SDK integration checks, such as when validating ad unit IDs and ad formats, SKAdNetwork IDs, mediation adapter SDK version compatibility, or ad preloading.

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Orchestrate Unity Editor via MCP (Model Context Protocol) tools and resources. Use when working with Unity projects through MCP for Unity - creating/modifying GameObjects, editing scripts, managing scenes, running tests, or any Unity Editor automation. Provides best practices, tool schemas, and workflow patterns for effective Unity-MCP integration.

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Unity Prefab / Scene / Asset の壊れた参照・Variant override・配線ミスを構造化応答で診断し、 dry-run → confirm 経路で安全に修復するための MCP ツールリファレンス。 Editor Bridge のセットアップ手順もここに含む。 トリガー: .prefab, .unity, .asset, .mat, Prefab, Variant, 配線, 参照, 壊れた参照, broken reference, GUID, fileID, override, パッチ, patch plan, validate refs, validate structure, where-used, inspect variant, inspect wiring, inspect hierarchy, wiring, null参照, null reference, MonoBehaviour, 階層, hierarchy, Transform整合, 孤立, orphan, 重複fileID, duplicate fileID, Editor Bridge, Bridge セットアップ, bridge setup, deploy_bridge, UNITYTOOL_BRIDGE_WATCH_DIR, watch ディレクトリ のいずれかに該当する作業で使用する。

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VRChat エコシステムツール（ModularAvatar / liltoon / VRCFury / AvatarOptimizer 等）の ナレッジを 4 フェーズで段階的に調査・検証し `knowledge/*.md` に再現可能な形で蓄積する。 ソースコード読解 → inspect 実測まで進めると confidence を `high` に昇格できる。 トリガー: 新しい VRChat コミュニティツールに初めて遭遇した、 既存ナレッジの confidence が low で作業に支障がある、 ユーザーから「このツールについて調べて」と依頼された場合。

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Unity MCPのセットアップと接続を行う。Unity EditorとClaude Codeの間でMCP接続を確立するための手順を実行する。「Unity MCP セットアップ」「MCP接続」「Unity MCP設定」「UnityMCP」「MCP For Unity」「MCPが繋がらない」「Unity Editorと接続」といったリクエスト時に使用。新規セットアップとトラブルシューティングの両方に対応。

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Unity プロジェクト向けにプロシージャル音声（SE・BGM）を C# Editor スクリプトで生成する。「音声を生成」「SEを作って」「BGMを作って」「サウンドアセット」「AudioGenerator」「効果音」「プロシージャルオーディオ」といったリクエスト時に使用。WAV ファイル（44100Hz/16bit/Mono）を Assets フォルダに直接出力し、外部ツール不要で完結する。

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Unity カジュアルゲームを仕様駆動開発（Specification-Driven Development）で作成する。仕様を先に確定させ、設計・実装・テストを行うことで手戻りを最小化する。「ゲームを作って」「仕様駆動開発」「SDD」「ゲーム企画書」「機能仕様書」「技術仕様書」「テスト仕様書」「タスクリスト」「Unityゲーム開発」「カジュアルゲーム」といったリクエスト時に使用。Phase 1（企画書）からPhase 8（リリース）まで段階的にドキュメントを作成し、仕様に基づいて実装・テスト・検証を行う。

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Unity プロジェクトの WebGL ビルドとローカルサーバー起動を一貫して行う。「WebGLビルド」「ブラウザビルド」「WebGL」「ローカルサーバー」「ビルドして」「デプロイ」「Build WebGL」といったリクエスト時に使用。Editor スクリプト作成 → プラットフォーム切り替え → ビルド実行 → ローカル HTTP サーバー起動までを自動化する。

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Control Unity Editor Play Mode. Use to start, stop, or pause Play Mode for runtime behavior checks and frame inspection.

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Capture Unity Editor windows or Game View rendering as PNG. Use for visual checks, debugging, documentation, or annotated UI element coordinates.

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