Borrowing it
Nothing to install: this file belongs to andvolodko/html5-game-editor. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/andvolodko/html5-game-editor/master/.cursor/skills/architecture-change/SKILL.mdgit clone --depth 1 https://github.com/andvolodko/html5-game-editorWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/andvolodko/html5-game-editor/architecture-change)<a href="https://agentmods.dev/skills/andvolodko/html5-game-editor/architecture-change"><img src="https://agentmods.dev/badge/skills/andvolodko/html5-game-editor/architecture-change/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/andvolodko/html5-game-editor/architecture-change"><img src="https://agentmods.dev/badge/skills/andvolodko/html5-game-editor/architecture-change.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What 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 5.1 | $0.00059 | $0.00644 |
| Opus 5 | $0.00030 | $0.00322 |
| Sonnet 5 | $0.00012 | $0.00129 |
| Haiku 4.5 | $0.00006 | $0.00064 |
Grade A, and why
architecture-change 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 10d 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 — 69 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Architecture Change
Use this workflow for changes that cross package boundaries or alter persisted formats. Do not use it for a localized Inspector/UI/test fix.
Persisted JSON field/union work: follow .cursor/skills/modify-scene-schema/SKILL.md for the schema pipeline (this skill stays the planning wrapper). Node types / asset kinds / runtime vs editor: add-node-type, add-asset-type, implement-runtime-feature, implement-editor-feature.
1. Orient, then read only what you need
Consult PROJECT.md for repository orientation. Developer index: docs/README.md.
Read only the detailed docs that match this change. Do not load the full docs/ set.
| If the change involves | Read |
|---|---|
| Package boundaries, quality, errors, performance | docs/architecture.md |
| Scene/domain schema, components, serialization, prefabs | docs/scene-model.md |
| Script components (defineComponent) | docs/guides/add-a-script-component.md |
| Asset database, import, generated files | docs/assets.md |
| Aseprite compile | docs/aseprite.md |
| Editor core / commands / selection | docs/editor.md |
| Runtime, game builds, optional renderers | docs/runtime.md |
| Pixi / Three adapters, hybrid layers | docs/renderers.md |
| project-server APIs, path confinement | docs/project-server.md |
| Collaboration / locking | docs/collaboration.md |
2. Check invariants
If the request would violate an invariant in PROJECT.md, stop and propose an alternative. In particular:
- runtime must not depend on editor;
- domain must not store Pixi/Three instances;
- assets use stable
assetIds; - browser FS goes through project-server;
- optional renderers stay optional;
- persisted formats stay versioned.
3. Plan before coding
Inspect existing packages and public APIs. Produce a short plan covering:
- affected packages and dependency direction;
- public API changes;
- persistence/schema/migration impact;
- undo/redo impact;
- renderer vs domain split;
- tests.
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.
- 10d ago First seen · 69 lines · 59 tokens per session scan A 952500b12870
architecture-change is a skill published in the GitHub repository andvolodko/html5-game-editor (6 stars, last pushed 2d ago), licensed MIT. It adds 59 tokens to every session and 644 once invoked, about $0.0003 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 2026-08-31.
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