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.
npx skills add scott-fryxell/brayness --skill user-interfacegit clone --depth 1 https://github.com/scott-fryxell/braynessWrote 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/skills/scott-fryxell/brayness/user-interface)<a href="https://agentmods.dev/skills/scott-fryxell/brayness/user-interface"><img src="https://agentmods.dev/badge/skills/scott-fryxell/brayness/user-interface/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/skills/scott-fryxell/brayness/user-interface"><img src="https://agentmods.dev/badge/skills/scott-fryxell/brayness/user-interface.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 | $0.00059 | $0.00604 |
| Opus 5.5 | $0.00024 | $0.00242 |
| Sonnet 5.5 | $0.00012 | $0.00121 |
| Haiku 4.5 | $0.00006 | $0.00060 |
Grade A, and why
user-interface 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 1mo 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 — 64 lines — stays where its author put it; the contents beside it link to each section on GitHub.
UX Interface Design
If the UI needs instructions, fix the UI - not the copy. Structure, hierarchy, constraints, and interaction carry meaning; text confirms it.
Not for: marketing copy, pure visual styling critiques, long-form docs, or interfaces where detailed explanation is the product.
Rules
- Structure over text. Layout, grouping, and affordances make meaning; labels and helper copy are a last resort. Before adding text: better layout, more specific controls, better defaults. Never repeat what context shows ("Submit Form" -> "Submit"); never narrate ("Click below to continue").
- Defaults and constraints over instructions. Preselect the common option; start in the most useful state. Prevent invalid input with constraints and live validation instead of explaining rules up front.
- Feedback lives at the point of interaction. No top-of-page error summaries, no disconnected instructions. Explain only when an error occurs or the system genuinely needs input.
- Show, don't tell. Real previews, inline examples, visible state changes - not instructional paragraphs. If explanation is unavoidable, one short sentence; needing more means redesign.
- Hierarchy over whitespace. Strong grouping, one obvious primary action, visible priority. Dense is fine if it stays scannable. Don't name every section - that's the AI verbosity bias.
Review
- Remove the descriptive text - does the interface still work?
- Is there exactly one obvious next action?
- Fix layout, grouping, defaults, constraints before adding copy.
- Are errors prevented rather than explained?
- Delete anything that does not directly enable action - helper text under every input, onboarding tooltips for simple flows, pages that explain before allowing interaction.
Integration
- useless: the right element is its own affordance -
<details>discloses,<dialog>is modal; boolean attributes (open,disabled) are state CSS reads without JS. - motion-systems: what changes is decided here; how it moves is decided there.
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.
- 1mo ago Changed 7aa6a7ef70ad
- 1mo ago First seen · 64 lines · 59 tokens per session scan A 6434075ec527
user-interface is a skill published in the GitHub repository scott-fryxell/brayness (125 stars, last pushed 29d ago), licensed MIT. It adds 59 tokens to every session and 604 once invoked, about $0.0002 per session on Opus 5.5. 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 2026-08-30.
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