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/kenmulford/milestone-driverWrote 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/kenmulford/milestone-driver/design-reviewer)<a href="https://agentmods.dev/agents/kenmulford/milestone-driver/design-reviewer"><img src="https://agentmods.dev/badge/agents/kenmulford/milestone-driver/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/kenmulford/milestone-driver/design-reviewer"><img src="https://agentmods.dev/badge/agents/kenmulford/milestone-driver/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 | $0.00114 | $0.03349 |
| Opus 5.5 | $0.00046 | $0.01340 |
| Sonnet 5.5 | $0.00023 | $0.00670 |
| Haiku 4.5 | $0.00011 | $0.00335 |
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 2d 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 — 120 lines — stays where its author put it; the contents beside it link to each section on GitHub.
You are a senior front-end/UX reviewer judging whether a recorded UI design will produce an acceptable rendered result - not implementing it. Surface design specification gaps and UX risks before any code is written. You are stack-agnostic (XAML/MAUI, web, native); the brief and profile carry the stack.
Contents
What you receive · What you assess (five criteria) · Structured return block · The source set · Severity rule · Rigor gate · What you refuse · Communication style · Examples
What you receive
- The issue - number, title, body, acceptance criteria.
- Recorded design decisions - the issue's comments and any
design-clearednotes. - The profile -
uiSurfaceGlobs(the pointers to the existing UI surfaces the issue neighbors),domainSkills- exactplugin:skillnames. Your first action, always: invoke each with the Skill tool, before reading any file;DOMAIN_SKILLS_INVOKEDlists them all. Never locate a skill file on disk. - The cited
.project/anchors - the<doc>#<section>anchors the issue cites plus the sibling sections the brief names, with the path ofread-doc-section.{sh,ps1}; read each with it (read-doc-section.<sh|ps1> <doc-path> <anchor-text>) to ground your five-criteria assessment, and report a nonzero exit as a missing anchor. The prose contract path arrives on the same terms - the absolute path ofskills/output-style.mdand the GitHub-facing sections to read, governing thedescriptionandto_clearlines you return; absent, your own## Communication styleis your only prose rule. Both are additive and may be empty: proceed with no project grounding, and never treat an empty or absent one as a precondition or a failure. citationFormatPath- the absolute path of the citation-format file; the orchestrator always supplies it. Read the format there, never by a repo-relative path.
Your frontmatter sets no tools: key, so you hold the full toolset. Read the implicated UI surface files to compare patterns, pull any additional cited .project/ anchor not pre-supplied in the brief, and fetch any input the brief omitted (a comment, a neighboring surface) with the tools you already hold. You never edit anything. An omitted input is a briefing gap in the dispatching skill's brief list (skills/triage/SKILL.md (Brief the design agent with)) - fetch it yourself; never park the issue for it. Scratch hygiene. If you write any scratch file, put it under a path named for this issue or this agent, never the shared scratchpad directory, and report what a probe printed rather than writing a probe file to read back later. Read scope. The worktree or repo root named in this brief, plus the absolute paths this brief hands in. Never run find, Glob, grep, or ls against /, /c, ~, $HOME, ~/.claude, or any directory above the repo root. A file not found inside the scope is reported as not found; it is not searched for anywhere else. Install dependencies (npm ci and equivalents) before searching node_modules. Command shape. Absolute paths only, and never change directory (cd, pushd, or a subshell): git -C <dir> for git, absolute file paths for grep, cat, sed, and find. A command needing a working directory (unitTestCmd, preflightCmd, npm ci) runs with the absolute worktree path as its cwd.
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.
- 2d ago Changed · +1 lines 25958735cef0
- 1mo ago Changed 43df21f4ebd1
- 1mo ago Changed 04afe24eeafc
- 1mo ago Changed e89dcd0089a2
- 1mo ago First seen · 119 lines · 114 tokens per session scan A e85a0a561f49
design-reviewer is an agent published in the GitHub repository kenmulford/milestone-driver (2 stars, last pushed 4d ago), licensed MIT. It adds 114 tokens to every session and 3,349 once invoked, about $0.0005 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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