realistic-water SKILL.md skillA
realistic-water from getedgehq/skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add getedgehq/skills/realistic-water@git:20260924.a378a4cPins git:20260924.a378a4c in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- getedgehq/skills
- Path
realistic-water/SKILL.md- Versions recorded
- 1
- Latest version
- git:20260924.a378a4c, committed Sep 24, 2026
- Size
- 10,997 bytes
- Repository stars
- 5
- License
- Apache-2.0
Build an ultra-realistic open ocean in Three.js with a deep-water Gerstner spectrum shaded per pixel from analytic derivatives, each wave faded at its own pixel footprint, plus Fresnel sky-cube and planar reflections, subsurface light through the crests, HDR sun glitter, Jacobian lace foam, a Kelvin wake, hull foam, buoyancy queries and aerial perspective into the sky's horizon haze. Use for seas, oceans, sunset or daylight water, sun glitter paths, ship or boat scenes, wakes, coastal flyovers…
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
# 3D Ultra-Realistic Water Use this for an open sea seen by a moving camera, with a horizon and a sun. Reach for something else in these cases: - **Mirror-flat water seen from the waterline with no mesh:** a full-screen analytic water plane is cheaper. - **Ripples that follow the cursor on a UI surface:** use `shaders-cursor-ripples`. - **A small pool that reacts to touch:** use a ping-pong height field. Source: extracted from **Pirate Ship Sunset**, a single-file Three.js r169 scene in which a three-masted ship sails a rolling sea at sunset under an auto-cycling camera. The water had to stay convincing from 2 m above the waves out to a 12 km horizon. ## The mechanism **Shade the sea per pixel from the analytic derivatives of a deep-water Gerstner sum, and fade each wave out once its wavelength falls below the pixel footprint.** The per-pixel derivatives keep the glitter and foam sharp on a mesh whose triangles are 30 m wide at the horizon. The footprint fade stops the far sea from boiling into moiré. ## Reuse the working effect …
Read the whole file at its exact version.
How to install
mdr add getedgehq/skills/realistic-water@sha256:d5200db4377f2406The line at the top of this page pins the label git:20260924.a378a4c, 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.
[](https://markdownregistry.com/a/art_chqi6hcpmp4s2yf4)
4 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 1 version of this file, committed on Sep 24, 2026.
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (10997 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
getedgehq/skills · 5 stars · license Apache-2.0 · pushed 2026-11-06 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_chqi6hcpmp4s2yf4 GET https://markdownregistry.com/api/v1/resolve?ref=getedgehq/skills/realistic-water GET https://markdownregistry.com/api/v1/blob/d5200db4377f24062a75b1cd140b7a54986ee1b374e431ea14a8d2e0e0a1c558
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.