What is babylonjs-webpack-es6 AGENTS.md?

Instructions for a Babylon.js starter project. Babylon.js is a JavaScript and TypeScript library for rendering 3D scenes in a web browser, and this project uses webpack to build them.

Adding or loading scenes, choosing WebGL or WebGPU, handling shaders and assets, and working with the project's TypeScript and webpack structure.

They explain where scenes, engines, shaders, assets, and external libraries belong so changes fit the project's design.

How RaananW/babylonjs-webpack-es6 configures Codex and OpenCode

Reuse

Borrowing it

Nothing to install: this file belongs to RaananW/babylonjs-webpack-es6. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file

curl -O https://raw.githubusercontent.com/RaananW/babylonjs-webpack-es6/master/AGENTS.md

Clone the repo

git clone --depth 1 https://github.com/RaananW/babylonjs-webpack-es6

Made for: Codex, OpenCode.

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README.md

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Per session 2,029 This file is loaded in full into every session.

When invoked 2,029 The same file — it is already loaded in full.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

Origin original No closer match found in the catalogue.

Token cost

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	$0.02029	$0.02029
Opus 5.5	$0.00812	$0.00812
Sonnet 5.5	$0.00406	$0.00406
Haiku 4.5	$0.00203	$0.00203

Measured 2mo ago against content hash e9459cfd715e, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

babylonjs-webpack-es6 AGENTS.md 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 2mo 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.

AGENTS.md · 184 lines

How it starts

The opening of the file, as written. The whole thing — 184 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENTS.md

Instructions for AI coding agents (and humans in a hurry) working in this repository.

What this project is

A Babylon.js + TypeScript + webpack (ES6 / tree-shakable modules) starter template. It renders one scene at a time into a full-page canvas. There is no framework, no router and no state management - keep it that way.

Layout

Path	Purpose
`src/index.ts`	Entry point. Reads `?scene=` / `?engine=`, boots the engine, runs the render loop. Keep it thin.
`src/createEngine.ts`	Engine creation (WebGL / WebGPU) and engine-name resolution.
`src/createScene.ts`	The `CreateSceneClass` contract and the lazy `getSceneModule()` loader.
`src/scenes/index.ts`	The scene registry - names, labels, lazy loaders and visual-test opt-ins.
`src/developmentControls.ts`	Scene/engine picker; included in development and demo builds, excluded from normal production and tests.
`src/scenes/*.ts`	One file per scene.
`src/externals/*.ts`	Wrappers around wasm/external libs (Havok, Ammo) exposing a ready-promise.
`src/glsl/`	Raw shaders, imported as strings via `ts-shader-loader`.
`assets/`	Textures/models bundled through webpack asset modules (inlined below 8 KiB, emitted as files above).
`public/`	Static files served as-is (`index.html`, workers).
`tests/validation.spec.ts`	Registry-driven Playwright smoke tests plus opt-in screenshots.
`webpack.config.js`	The only webpack config. Switches behaviour via `--env production` / `--env test`.
`.github/workflows/`	CI, snapshot refresh and optional GitHub Pages deployment.

How to add a scene (the only supported way)

Create src/scenes/myScene.ts:

import { Scene } from "@babylonjs/core/scene";
import { ArcRotateCamera } from "@babylonjs/core/Cameras/arcRotateCamera";
import { Vector3 } from "@babylonjs/core/Maths/math.vector";
import type { AbstractEngine } from "@babylonjs/core/Engines/abstractEngine";
import type { CreateSceneClass } from "../createScene";

export class MyScene implements CreateSceneClass {
    // Optional: promises awaited before createScene() runs (wasm, external libs)
    // preTasks = [havokModule];

    createScene = async (
        engine: AbstractEngine,
        canvas: HTMLCanvasElement
    ): Promise<Scene> => {
        const scene = new Scene(engine);
        const camera = new ArcRotateCamera("camera", 0, Math.PI / 3, 10, Vector3.Zero(), scene);
        camera.attachControl(canvas, true);
        return scene;
    };
}

export default new MyScene();

Read the full file on GitHub · 184 lines

Changes

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.

2mo ago Changed · +1 tokens per session e9459cfd715e
2mo ago First seen · 184 lines · 2,028 tokens per session scan A 531b79230b9f

Subscribe to this mod's changes

babylonjs-webpack-es6 AGENTS.md is an instructions file published in the GitHub repository RaananW/babylonjs-webpack-es6 (205 stars, last pushed 6d ago), licensed Apache-2.0. It adds 2,029 tokens to every session, about $0.0081 per session on Opus 5.5. 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.

Game development TypeScript babylonjs sample-project webgl webpack

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babylonjs-webpack-es6: Instructions file for Codex