Edits Unity sprite properties by generating C# editor scripts using ISpriteEditorDataProvider APIs. Handles sprite rectangles, borders, pivots, outlines, and slicing operations (automatic, grid, isometric). Use when working with sprite assets, sprite sheets, texture atlases, or sprite slicing.
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Run score Not tested
See how to installReview the instructions the agent will receive before you install.
Sprite metadata (rects, borders, pivots, outlines) lives inside the importer, not in a file you can edit — reaching it means running C# through a live Editor.
The unity-cli skill owns getting you there — installing the CLI, confirming a connected
Editor, adding the project's com.unity.pipeline package, telling a genuinely absent Editor
apart from one stuck in Safe Mode, and discovering the Editor's command catalog. Follow it
first; don't re-derive any of it here.
Two things it can't know for you:
eval in particular, not just a reachable Editor. Confirm it appears in the
catalog — its presence depends on the Pipeline package version, not on the CLI..meta file to change sprite metadata. The importer owns that data
and the capability checks below exist to prevent corruption, so an unreachable Editor is a
stop, not a cue to improvise.Run C# through the connected Editor with the eval command. Discover its parameter shape
from unity command --format json rather than assuming one — the inline form is
unity command eval --code '<snippet>', and some Pipeline versions also register
eval_file for running a snippet from a file. Check the catalog before reaching for
eval_file; it is frequently absent. unity command defaults to a 30 second timeout.
Generates C# editor scripts to manipulate Unity sprites using ISpriteEditorDataProvider. Works with TextureImporter, PSBImporter, and custom importers.
evaleval compiles a statement block, not a file. Two consequences, both of which cause a
compile error rather than a warning:
using directives. The compiler reads using UnityEngine; as a resource-disposal
statement and rejects it (CS0210).AssetDatabase or Volume does not resolve
(CS0246 / CS0103), and a bare Object is ambiguous with object (CS0104).Where a snippet below is written as a file — with usings, for readability, or because it is
meant to be saved into the project — qualify the types before passing it to eval.
All generated scripts must follow the Safe Core Pattern in references/templates.md, which includes MANDATORY capability checks. NEVER attempt operations if capability checks fail - this prevents data corruption. After execution, verify results in Unity console and Project window.
Modify Name/Rect/Border/Pivot: Update corresponding SpriteRect fields (see scripts/SetPivotExample.cs for pivot examples)
EditSpriteName, EditSpriteRect, EditBorder, or EditPivotAdd/Remove/Slice: Create or filter SpriteRect array (see references/background.md for Unity 2021.2+ requirements)
CreateAndDeleteSpriteSet Outlines: Get ISpriteOutlineDataProvider → Call SetOutlines() with GUID + Vector2 arrays
AssetPostprocessor, no MenuItem(int)SpriteAlignment.Center1 (magic number)No reviews yet. Tell others what you thought.
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Refactor bloated AGENTS.md, CLAUDE.md, or similar agent instruction files to follow progressive disclosure principles. Splits monolithic files into organized, linked documentation.
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Build and operate a live game using Unity Services. Use when the user needs to implement, connect, or debug backend-driven features — battle passes, achievements, player progression, cloud saves, leaderboards, matchmaking, virtual economies, server-authoritative logic, anti-cheat, player accounts and authentication, remote configuration, feature flags, A/B testing, analytics, or cloud resource deployment. Triggers on live-ops, live service, backend, server authority, cloud code, cloud save, remote config, player data, retention, monetization loop, season pass, ranking, multiplayer sessions, lobbies, or any Unity Services integration.
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Kern engine critical invariants: coordinate system, UI Toolkit positioning, RenderTexture blit, LifetimeScope/scene structure, VolumeProfile editor API, camera pixel-grid alignment, performance analysis rules, profiler interpretation, and the no-fallback policy. Use when touching coordinates, WorldToScreen, UI element anchoring, RenderTexture, LifetimeScope, VolumeProfile, camera, FPS analysis, Profiler markers, or any code near an "invariant" comment. Triggers on: CoordinateUtils, MapManager.WorldHeight, RuntimePanelUtils, CameraTransformWorldToPanel, WorldToLocal, PositionWriteEpsilon, CameraPixelGridAligner, LifetimeScope, RegisterComponent, VolumeProfile, AssetDatabase.AddObjectToAsset, EditorLoop, VSync, fallback, paper white, FPS, frame time.
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Kern project C# conventions, namespace rules, DI/VContainer patterns, and assembly layer boundaries. Use when writing, editing, or reviewing any C# file — MonoBehaviours, ScriptableObjects, services, contracts, factories, or editor scripts. Triggers on: namespace, nullable, asmdef, VContainer, RegisterComponent, IObjectResolver, composition root, Kern.Contracts, primary constructor, record struct, SA1513, _camelCase, PascalCase, asmref, MonoScript.GetClass.
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Synchronize and compile FMOD Studio banks into StreamingAssets
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Kern HDR/color pipeline contract: scene-referred linear working space, paper white units, radiance format rules, URP output transform ownership, DisplayFinal perceptual/linear space, UI brightness, HDR calibration screen, safe-start HDR switch, and HDROutputController usage. Use when touching lighting shaders, glow, bloom, tonemapping, post-processing, color grading, LUT, display output, UI colors, calibration, or any code with DisplaySettings / HDROutput / PaperWhite / Tonemapping / CompositeFinal / DisplayFinal / VisualTuning. Triggers on: saturate on radiance, clamp color, sRGB in shader, UNorm light buffer, ARGBHalf, paper white, HDROutputReconciler, VisualTuning, BT2390, detectPaperWhite, HDRCalibrationScreen, HDRSwitchPending, HDROutputSettings.
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