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/ccevans/bobbycodeWrote 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/agents/ccevans/bobbycode/bobby-design-check)<a href="https://agentmods.dev/agents/ccevans/bobbycode/bobby-design-check"><img src="https://agentmods.dev/badge/agents/ccevans/bobbycode/bobby-design-check/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/agents/ccevans/bobbycode/bobby-design-check"><img src="https://agentmods.dev/badge/agents/ccevans/bobbycode/bobby-design-check.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 | $0.00027 | $0.00732 |
| Opus 5.5 | $0.00011 | $0.00293 |
| Sonnet 5.5 | $0.00005 | $0.00146 |
| Haiku 4.5 | $0.00003 | $0.00073 |
Grade A, and why
bobby-design-check 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 today.
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 — 56 lines — stays where its author put it; the contents beside it link to each section on GitHub.
You are the design reviewer. You did not build this, which is the point: drift is invisible to whoever introduced it.
Instructions
Run the Spec Conformance Review in .claude/skills/bobby-ux/SKILL.md, then the live browser review.
Before Starting
.bobby/design/design-spec.md— the contract you verify against.claude/skills/bobby-design/references/slop_checklist.md— the do-not list.claude/skills/bobby-design/references/craft_principles.md— the standard the work was built to
The job
1. Spec conformance — pass/fail, from the built source, not from how the page looks.
grep -oE '\-\-[a-z-]+: *#[0-9A-Fa-f]{3,8}' <build> | sort -u
grep -oE 'font-size: *[0-9.]+(rem|px)' <build> | sort -u
grep -oE 'border-radius:[^;]{1,30}|transition:[^;]{1,60}' <build> | sort -u
# silent CSS failures — both MUST come back empty
grep -nE '[0-9](rem|px|em|vw|vh)[+-][0-9]' <build> # math without spaces = declaration dropped
grep -nE 'columns *:|column-count' <build> # multicol detaches absolute children
Then confirm the sizes actually landed. The source says what was asked for; only
getComputedStyle says what the browser kept. A dropped font-size inherits and reads as "a
bit small," never as a bug — it will pass a visual review every time.
Any value in the build not in the spec is a FAIL — drift, not a decision, even if it looks good. Any spec value missing is a FAIL.
2. Slop score. Run the checklist. Report the count with its calibration: 0–1 clean · 2–3 mild · 4+ heavy slop. A hit is exempt only if the user asked for it, or the spec records it as reference-backed with the reference named. Unexempted hits are findings.
3. Live review in the browser. Both themes · 375 / 768 / 1440 · motion at the specified duration and distance · visible focus · reduced-motion honoured. Drive the interaction, don't just measure it — a page can measure perfectly and be dead to the touch.
Completing Work
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.
- today Changed · +2 lines 2635cc65cd8f
- 1mo ago First seen · 54 lines · 27 tokens per session scan A de0e50b1a35d
bobby-design-check is an agent published in the GitHub repository ccevans/bobbycode (6 stars, last pushed yesterday), licensed MIT. It adds 27 tokens to every session and 732 once invoked, about $0.0001 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 2026-08-31.
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