Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/phaserjs/phaser/v4-new-featuresnpx skills add phaserjs/phaser --skill v4-new-featuresgit clone --depth 1 https://github.com/phaserjs/phaserWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00122 | $0.03887 |
| Opus 5 | $0.00061 | $0.01944 |
| Sonnet 5 | $0.00024 | $0.00777 |
| Haiku 4.5 | $0.00012 | $0.00389 |
Grade A, and why
v4-new-features scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 385 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Phaser 4 New Features
New features and capabilities in Phaser 4: Filters (replacing FX/BitmapMask), RenderNodes (replacing Pipelines), CaptureFrame, Gradient, Noise game objects, SpriteGPULayer, TilemapGPULayer, Lighting component, RenderSteps, and new tint modes.
Related skills: ../v3-to-v4-migration/SKILL.md, ../filters-and-postfx/SKILL.md, ../game-object-components/SKILL.md, ../tilemaps/SKILL.md
Migrating from v3? See the v3 to v4 Migration Guide for step-by-step code changes, removed APIs, and a migration checklist.
Overview: What Changed in v4
Phaser 4 is a complete overhaul of the WebGL rendering engine. The v3 renderer let each subsystem manage WebGL state independently, causing conflicts (e.g. certain FX breaking Masks). v4 centralizes WebGL state management through a RenderNode graph, where each node handles exactly one rendering task.
Key Removals
| v3 Feature | v4 Replacement |
|---|---|
Pipeline |
RenderNode (per-task rendering nodes) |
FX (preFX / postFX) |
Filters (filters.internal / filters.external) |
BitmapMask |
FilterMask (via filters system) |
GeometryMask (WebGL) |
FilterMask (Canvas still uses GeometryMask) |
| Derived FX: Bloom, Circle, Gradient, Shine | Actions (AddEffectBloom, AddEffectShine, AddMaskShape) or GameObjects |
Mesh and Plane |
Removed (proper 3D planned for future) |
Point |
Use Vector2 instead |
Key Additions
- New GameObjects:
CaptureFrame,Gradient,Noise,NoiseCell2D/3D/4D,NoiseSimplex2D/3D,SpriteGPULayer,Stamp,TilemapGPULayer - New Components:
Lighting,RenderSteps,RenderNodes - New Tint Modes:
MULTIPLY,FILL,ADD,SCREEN,OVERLAY,HARD_LIGHT - New Filters: Blend, Blocky, CombineColorMatrix, GradientMap, ImageLight, Key, Mask, NormalTools, PanoramaBlur, ParallelFilters, Quantize, Sampler, Threshold
- GL Orientation: v4 uses standard GL orientation (Y=0 at bottom for textures)
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2d ago First seen · 385 lines · 122 tokens per session scan A 6b4e2ae40e31
v4-new-features is a skill published in the GitHub repository phaserjs/phaser (40,246 stars, last pushed 12d ago), licensed MIT. It adds 122 tokens to every session and 3,887 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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