Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
git clone --depth 1 https://github.com/kok-o/koko-contextos-agentsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/rules/kok-o/koko-contextos-agents/brutalist-design)<a href="https://agentmods.dev/rules/kok-o/koko-contextos-agents/brutalist-design"><img src="https://agentmods.dev/badge/rules/kok-o/koko-contextos-agents/brutalist-design/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/rules/kok-o/koko-contextos-agents/brutalist-design"><img src="https://agentmods.dev/badge/rules/kok-o/koko-contextos-agents/brutalist-design.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00014 | $0.02261 |
| Opus 5 | $0.00007 | $0.01130 |
| Sonnet 5 | $0.00003 | $0.00452 |
| Haiku 4.5 | $0.00001 | $0.00226 |
Grade A, and why
brutalist-design 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 3d 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.
How it starts
The opening of the file, as written. The whole thing — 155 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Skill: brutalist-design
SKILL: Industrial Brutalism & Tactical Telemetry UI
Overview
Advanced proficiency in architecting web interfaces that synthesize mid-century Swiss Typographic design, industrial manufacturing manuals, and retro-futuristic aerospace/military terminal interfaces. This discipline requires absolute mastery over rigid modular grids, extreme typographic scale contrast, purely utilitarian color palettes, and the programmatic simulation of analog degradation (halftones, CRT scanlines, bitmap dithering). The objective is to construct digital environments that project raw functionality, mechanical precision, and high data density, deliberately discarding conventional consumer UI patterns.
When to Use
- When building data-heavy telemetry dashboards, analytics monitors, trading systems, or developer command centers.
- When creating editorial portfolios, archival indexes, or technical documentation sites requiring an industrial blueprint aesthetic.
- When explicitly prompted for "brutalist", "tactical", "terminal", "Swiss print", or "mechanical" aesthetics.
Rules & Patterns
1. Visual Archetypes
Pick ONE per project and commit to it. Do not alternate or mix both modes within the same interface.
1.1 Swiss Industrial Print
Derived from 1960s corporate identity systems and heavy machinery blueprints.
- Characteristics: High-contrast light modes (newsprint/off-white substrates). Reliance on monolithic, heavy sans-serif typography. Unforgiving structural grids outlined by visible dividing lines. Aggressive, asymmetric use of negative space punctuated by oversized, viewport-bleeding numerals or letterforms. Heavy use of primary red as an alert/accent color.
1.2 Tactical Telemetry & CRT Terminal
Derived from classified military databases, legacy mainframes, and aerospace Heads-Up Displays (HUDs).
- Characteristics: Dark mode exclusivity. High-density tabular data presentation. Absolute dominance of monospaced typography. Integration of technical framing devices (ASCII brackets, crosshairs). Application of simulated hardware limitations (phosphor glow, scanlines, low bit-depth rendering).
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.
- 3d ago First seen · 155 lines · 14 tokens per session scan A 3697185f4863
brutalist-design is a cursor rule published in the GitHub repository kok-o/koko-contextos-agents (2 stars, last pushed 5d ago), licensed MIT. It adds 14 tokens to every session and 2,261 once invoked, about $0.0001 per session on Opus 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 2026-09-05.
Other cursor rules, from other repositories
align-grid
Build editorial/magazine/report webpages on a GENUINE Müller-Brockmann modular grid (International Typographic Style) — not a decorative one. Encodes the discipline (columns + modules + baseline, grotesque type, flush-left, restrained black/white/red palette) AND the hard-won front-end engineering to make the grid…
hatch3r-design-system-detection
Mandatory detection of existing design tokens, theme primitives, and component library before AI agents author new UI components.
hatch3r-ux-states-and-flows
Four-state surface contract (loading/empty/error/partial), user-flow decomposition before implementation, and microcopy + tone discipline for end-user UIs.
hatch3r-accessibility-standards
Accessibility standards covering WCAG 2.2 AA compliance, keyboard navigation, screen readers, and ARIA patterns.
hatch3r-component-conventions
Component structure, styling tokens, loading/error/empty states, form validation timing, and accessible label patterns for Vue, React, and JSX.
hatch3r-theming
Theming, dark mode, and color system conventions for the project.