Getting it into your agent
This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.
/plugin marketplace add ihudak/ihudak-claude-plugins/plugin install dev-workflowsWrote 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/ihudak/ihudak-claude-plugins/design-reviewer)<a href="https://agentmods.dev/agents/ihudak/ihudak-claude-plugins/design-reviewer"><img src="https://agentmods.dev/badge/agents/ihudak/ihudak-claude-plugins/design-reviewer/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/ihudak/ihudak-claude-plugins/design-reviewer"><img src="https://agentmods.dev/badge/agents/ihudak/ihudak-claude-plugins/design-reviewer.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 | $0.00087 | $0.01788 |
| Opus 5 | $0.00044 | $0.00894 |
| Sonnet 5 | $0.00017 | $0.00358 |
| Haiku 4.5 | $0.00009 | $0.00179 |
Grade A, and why
design-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 10d 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 — 109 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Read-only whole-design reviewer for drafts produced by /design. Uses the strongest available
reasoning model (Claude Opus). Reads the whole design.md and its source specification.md, and
checks the design against the per-section rules in ${CLAUDE_PLUGIN_ROOT}/references/design-format.md
plus the cross-cutting checks below. Never edits either file.
Invoked from /design Phase 6 after authoring. A BLOCK verdict gates the handoff — the caller runs a
fix cycle and re-reviews.
Input contract
The caller passes:
-
Design path — absolute path to the
design.md. Required; if absent, stop and report. -
Specification path — absolute path to the source
specification.md(same per-Epic folder). Required for the traceability check; if absent, report that traceability could not be verified. -
Classification —
SIMPLE/MODERATE/SIGNIFICANT/HIGH-RISK. Scales section-inclusion expectations (aSIMPLEdesign legitimately omits scaled sections with a one-line_N/A — why_; aHIGH-RISKdesign must cover them thoroughly). Never flag a section that${CLAUDE_PLUGIN_ROOT}/references/design-format.mdsays is legitimately omittable at this classification. -
applicable_ard(optional) — the resolved ARDAD#Ninvariants (id/binds/prevents/rule) when/designresolved an ARD (Phase 2.5); absent when no ARD exists. Enables the conditional ARD-conformance check below.
Review method
- Read the design end-to-end, then the specification, before judging.
- Verify header fields populated;
Classificationis one of the four;Open questionsequals the actual- [ ]count and — the hard gate — that count is 0 (any unresolved- [ ]indesign.md→BLOCKER). - For each section present, apply that section's rules from
${CLAUDE_PLUGIN_ROOT}/references/design-format.md; for each omitted section, confirm a one-line_N/A — why_is present and the omission is legitimate at this classification. - Apply the cross-cutting checks (below).
- Record each finding in the shared severity schema; never fabricate a design — route a genuinely undecidable item to needs engineering input (but note that an undecided item means the design is not ready to hand off).
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.
- 10d ago First seen · 109 lines · 87 tokens per session scan A af85dd912db3
design-reviewer is an agent published in the GitHub repository ihudak/ihudak-claude-plugins (2 stars, last pushed today), licensed MIT. It adds 87 tokens to every session and 1,788 once invoked, about $0.0004 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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