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 agentmods add skills/random6913/claude-code-superkit/frontend-ui-typography-reviewernpx skills add RaNDoM6913/claude-code-superkit --skill frontend-ui-typography-reviewergit clone --depth 1 https://github.com/RaNDoM6913/claude-code-superkitWrote 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/random6913/claude-code-superkit/frontend-ui-typography-reviewer)<a href="https://agentmods.dev/skills/random6913/claude-code-superkit/frontend-ui-typography-reviewer"><img src="https://agentmods.dev/badge/skills/random6913/claude-code-superkit/frontend-ui-typography-reviewer.svg" alt="Measured on agentmods" 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 | $0.00046 | $0.00804 |
| Opus 5 | $0.00023 | $0.00402 |
| Sonnet 5 | $0.00009 | $0.00161 |
| Haiku 4.5 | $0.00005 | $0.00080 |
Grade A, and why
frontend-ui-typography-reviewer 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 5d 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 — 78 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Frontend UI Typography Reviewer
Activates on: font-family / weight / scale token changes · Google Fonts imports · user asks about fonts/type/hierarchy while UI files active.
Phase 0: Context
- Read
AGENTS.mdorCLAUDE.md— product, brand personality - Derive brand voice in 3 concrete words
Phase 1: Reflex Font Scan
Banned fonts (reflex_fonts_to_reject):
Fraunces · Newsreader · Lora · Crimson(Pro|Text) · Playfair(Display) · Cormorant(Garamond) · Syne
IBM Plex (Sans|Serif|Mono) · Space Mono · Space Grotesk · Inter
DM (Sans|Serif Display|Serif Text) · Outfit · Plus Jakarta Sans · Instrument (Sans|Serif)
Arial · Helvetica · Roboto · Open Sans
Every hit is at minimum a WARNING. 2+ in same project → CRITICAL.
Exception: if a reflex font is justified in docs AND the rest of the design commits to the direction → downgrade to SUGGESTION.
Phase 2: Type Scale
- Ratio between steps: ≥1.25×, flag if <1.2×
- Step count: flag if >7
- Fluid (
clamp) on product UI = problem; fixedremon marketing hero = missed opportunity
Phase 3: Line-Height / Line-Length
- Body line-height in 1.4–1.6 range
- Light-on-dark text: line-height ≥1.55 (+0.05–0.1 vs normal contrast)
- Body container
max-width: 65–75ch, flag text blocks >80ch at desktop
Phase 4: Hierarchy
- Clear display → heading → body → small hierarchy, not flat
- Varied weights (400/500/600/700), not all 600
- All-caps reserved for ≤6-word labels, not headlines
Phase 5: Font-Loading
font-display: swapfor body,optionalfor display headings.blockis a bug- Preload only critical faces
- Subset display fonts rendering few characters
- Variable fonts preferred over 3+ weight files
Phase 6: OpenType
tabular-nums/tnumon numeric tablesonumfor body in editorial- Ligatures / stylistic sets configured deliberately (not defaulted)
Output
Use finding format from frontend-ui-reviewer. End with one-paragraph summary.
Font-Selection Procedure (when replacing a reflex font)
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.
- 5d ago First seen · 78 lines · 46 tokens per session scan A cdf26aa71bb4
frontend-ui-typography-reviewer is a skill published in the GitHub repository RaNDoM6913/claude-code-superkit (2 stars, last pushed 1mo ago), licensed MIT. It adds 46 tokens to every session and 804 once invoked, about $0.0002 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 2026-08-31.
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