threejs-procedural-vegetation SKILL.md skillA

threejs-procedural-vegetation from linegel/threejs-complete-set-of-skill is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add linegel/threejs-complete-set-of-skill/threejs-procedural-vegetation@git:20260924.e153202

Pins git:20260924.e153202 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
linegel/threejs-complete-set-of-skill
Path
skills/threejs-procedural-vegetation/SKILL.md
Versions recorded
4
Latest version
git:20260924.e153202, committed Sep 24, 2026
First version recorded
Jul 13, 2026
Size
10,921 bytes
Repository stars
12
License
ISC

Compile procedural vegetation for Three.js WebGPU/TSL. Use for dense grass and ground-cover populations, structured tree growth and rooted wind, or terrain-aware ecological placement.

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

# Procedural Vegetation

Build vegetation as a compiler: stable environmental causes become immutable
placement/topology records, while wind and interaction remain separately owned
dynamic state. The canonical path uses Three.js r185 `WebGPURenderer`, TSL,
`NodeMaterial`, and workload-selected compute/storage.

## 1. Define the observable and owners

Classify every requested result before selecting APIs:

| Branch | Requested observable | Vegetation owns |
| --- | --- | --- |
| dense population | grass, flowers, ground cover, repeated shrubs/trees | placement identity, pages, representations, deformation bindings |
| tree growth | trunks, roots, branches, foliage, rooted wind | growth hierarchy, geometry, structural response, LOD |
| terrain ecology | populations caused by terrain or site fields | species response, candidate conflicts, stable acceptance |

Name the coordinate frame, world unit, characteristic plant scale, target
cameras/extents, update frequency, output owner, and external field owners.
Terrain, weather, water, contact, and lighting remain with their routed owners;
vegetation consumes versioned samples from them.
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add linegel/threejs-complete-set-of-skill/threejs-procedural-vegetation@sha256:fa39f6aa2515d6c2

The line at the top of this page pins the label git:20260924.e153202, 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 badge

[![mdr](https://markdownregistry.com/badge/art_edwyqmhk5fayobsu.svg)](https://markdownregistry.com/a/art_edwyqmhk5fayobsu)

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

Versions

The registry has recorded 4 versions of this file, between Jul 13, 2026 and Sep 24, 2026, about one every 24 days. Its first recorded version is graded C and its latest A.

versioncommittedcommitsizeaudit
git:20260924.e153202 latest2026-09-24 e153202 10,921 BA view · diff
git:20260716.62a9bc52026-07-16 62a9bc5 10,405 BA view · diff
git:20260716.2ce13bc2026-07-16 2ce13bc 9,938 BA view · diff
git:20260713.f0e8d5c2026-07-13 f0e8d5c 44 BC 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 (10921 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

linegel/threejs-complete-set-of-skill · 12 stars · license ISC · pushed 2026-09-24 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_edwyqmhk5fayobsu
GET https://markdownregistry.com/api/v1/resolve?ref=linegel/threejs-complete-set-of-skill/threejs-procedural-vegetation
GET https://markdownregistry.com/api/v1/blob/fa39f6aa2515d6c23f70470eeea00e1a535dc6f1caca0c9725650d61300a3da2

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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