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cesiumjs-materials-shaders SKILL.md skillA

cesiumjs-materials-shaders from cesiumgs/cesiumjs-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned

mdr add cesiumgs/cesiumjs-skills/cesiumjs-materials-shaders@git:20260827.49e0612

Pins git:20260827.49e0612 in mdr.lock. Pin the fingerprint instead.

Audit grade: A, 17 of 17 checks passed
Kind: SKILL.md skill
Repository: cesiumgs/cesiumjs-skills
Path: skills/cesiumjs-materials-shaders/SKILL.md
Versions recorded: 5
Latest version: git:20260827.49e0612, committed Aug 27, 2026
First version recorded: Apr 1, 2026
Size: 14,372 bytes
Repository stars: 194
License: Apache-2.0

CesiumJS materials and post-processing — Material, Fabric JSON, MaterialAppearance, ImageBasedLighting, PostProcessStage, PostProcessStageLibrary, bloom, depth of field, ambient occlusion, FXAA, tonemapping, BlendingState. Use when defining Fabric materials for entities or primitives, configuring PBR image-based lighting, or adding screen-space post-processing effects.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# CesiumJS Materials, Shaders & Post-Processing

Version baseline: CesiumJS 1.144 (August 2026). All imports use ES module style.

## Material System (Fabric JSON)

`Material` defines surface appearance for **Primitives** through a JSON schema called Fabric. Materials compile to GLSL and are consumed by `MaterialAppearance` or `PolylineMaterialAppearance`.

While a material's image loads, CesiumJS renders a placeholder texture that
defaults to white. Since 1.144 the static `Texture.defaultColor` changes that
placeholder color to avoid white flashes during material construction. Note
that the `Texture` class is runtime-public but absent from the published
TypeScript definitions, so TypeScript callers need a cast.

### Built-in Material Types

**Surface:** `Color` (color), `Image` (image, repeat), `DiffuseMap`, `AlphaMap`, `SpecularMap`, `EmissionMap` (image, channel(s), repeat), `BumpMap`, `NormalMap` (image, channel(s), strength, repeat).

**Patterns:** `Grid` (color, cellAlpha, lineCount, lineThickness), `Stripe` (evenColor, oddColor, repeat), `Checkerboard` (lightColor, darkColor, repeat), `Dot` (lightColor, darkColor, repeat).
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint

mdr add cesiumgs/cesiumjs-skills/cesiumjs-materials-shaders@sha256:09f8e26337fc44fe

The line at the top of this page pins the label git:20260827.49e0612, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

[![mdr](https://markdownregistry.com/badge/art_gwfrwczrgh4sqbe6.svg)](https://markdownregistry.com/a/art_gwfrwczrgh4sqbe6)

2 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 5 versions of this file, between Apr 1, 2026 and Aug 27, 2026, about one every 37 days.

version	committed	commit	size	audit
git:20260827.49e0612 latest	2026-08-27	49e0612	14,372 B	A	view · diff
git:20260716.ba1c2d1	2026-07-16	ba1c2d1	12,073 B	A	view · diff
git:20260601.e67e5c6	2026-06-01	e67e5c6	12,073 B	A	view · diff
git:20260421.9bf14a5	2026-04-21	9bf14a5	12,074 B	A	view · diff
git:20260401.d67bc27	2026-04-01	d67bc27	15,434 B	A	view

Audit of the latest version

A 17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.

pass: Frontmatter block present
pass: Frontmatter declares a name
pass: Frontmatter declares a description
pass: Size between 200 bytes and 200 KB (14372 bytes)
pass: No zero-width or bidi control characters
pass: No instruction hidden inside an HTML comment
pass: No link to an exfiltration or paste host
pass: No credential-shaped string
pass: No instruction to send local credentials anywhere
pass: No text hidden with inline styles
pass: No prompt-injection phrasing
pass: No curl or wget piped into a shell
pass: No recursive delete of root, home or parent
pass: No instruction to read or print local credentials
pass: No base64 blob over 200 characters
pass: No link to a raw IP address
pass: No script tag

Source

GitHub

cesiumgs/cesiumjs-skills · 194 stars · license Apache-2.0 · pushed 2026-09-14 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_gwfrwczrgh4sqbe6
GET https://markdownregistry.com/api/v1/resolve?ref=cesiumgs/cesiumjs-skills/cesiumjs-materials-shaders
GET https://markdownregistry.com/api/v1/blob/09f8e26337fc44fe7408c4df936a5c71b9e91b3ccd6e5d824fd140bc69b85e26

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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