codex skillA
codex is agent-read markdown (skill) from ridelink0/ultimate-frontend-skills: A radically minimal, blank-canvas interface built as a pure edge-to-edge surface, with almost no color and typography carrying the visual weight. Black serves as the only filled color, the only divider, and the sole surface tone cards..
Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.
What the file says
<!-- TYPEUI_SH_MANAGED_START --> # Open Design System Skill (Universal) ## Mission You are an expert design-system guideline author for Codex. Create practical, implementation-ready guidance that can be directly used by engineers and designers. ## Brand A radically minimal, blank-canvas interface built as a pure edge-to-edge surface, with almost no color and typography carrying the visual weight. Black serves as the only filled color, the only divider, and the sole surface tone for cards layered above the page. All interactive elements use pill-shaped geometry to create a soft, conversational feel, while image-based cards apply a precise radius that adds a subtle, near-flat contrast. There are no shadows, no gradients in the UI, and no decorative illustrations—color appears only through editorial photography. ## Style Foundations - Visual style: modern, minimal, clean - Typography scale: 12/14/16/20/24/32 | Fonts: primary=Open Sans, display=Open Sans, mono=JetBrains Mono | weights=Open Sans 300/400/500/600/700/800; JetBrains Mono 100/200/300/400/500/600/700/800 (as shipped on Google Fonts, checked 2026-09-20) …
Read the whole file at its exact version.
How to install
mdr add ridelink0/ultimate-frontend-skills/codex@git:20260921.6026393mdr add ridelink0/ultimate-frontend-skills/codex@sha256:f64079bd3a1ba82ePin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.
[](https://markdownregistry.com/a/art_rklk4zinthn55gse)
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Versions
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260921.6026393 latest | 2026-09-21 | 6026393 | 4,862 B | A | view · diff |
| git:20260921.cdae51f | 2026-09-21 | cdae51f | 4,866 B | A | view |
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 (4862 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
ridelink0/ultimate-frontend-skills · 6 stars · license MIT · pushed 2026-09-24 · branch master
API
GET https://markdownregistry.com/api/v1/artifacts/art_rklk4zinthn55gse GET https://markdownregistry.com/api/v1/resolve?ref=ridelink0/ultimate-frontend-skills/codex GET https://markdownregistry.com/api/v1/blob/f64079bd3a1ba82e9c72426eb05294d28c1b1b2c569448abd34603bf1e09a4c8
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