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/urmzd/dotfiles/review-designnpx skills add urmzd/dotfiles --skill review-designgit clone --depth 1 https://github.com/urmzd/dotfilesWrote 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/urmzd/dotfiles/review-design)<a href="https://agentmods.dev/skills/urmzd/dotfiles/review-design"><img src="https://agentmods.dev/badge/skills/urmzd/dotfiles/review-design.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 | $0.00102 | $0.01782 |
| Opus 5 | $0.00051 | $0.00891 |
| Sonnet 5 | $0.00020 | $0.00356 |
| Haiku 4.5 | $0.00010 | $0.00178 |
Grade A, and why
review-design 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 — 173 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Pragmatic Programming
Layering: Principles layer above
assess-quality(foundational framework) and are operationalized bywrite-code(tool/pattern picks). Use this skill when reasoning about why a design tradeoff matters; useassess-qualityfor the underlying quality framework; usewrite-codefor concrete picks.
Principles from The Pragmatic Programmer (Hunt & Thomas) distilled into actionable rules for everyday development.
Core Philosophy
- Care about your craft why spend your life developing software unless you care about doing it well?
- Think critically question assumptions, challenge "because we've always done it that way"
- Be a catalyst for change show people a future they can rally around (stone soup)
- Remember the big picture don't get so absorbed in details that you forget the system as a whole (boiling frog)
- Good enough software know when to stop; perfect is the enemy of shipped
ETC: Easy to Change
The fundamental design principle. Every decision should make future change easier.
- When choosing between approaches, pick the one that's easier to change later
- If you can't decide which path is more changeable, fall back on: make it replaceable
- Decoupled code is easier to change; single-responsibility code is easier to change; well-named code is easier to change. ETC is the why behind all of them
DRY: Don't Repeat Yourself
Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.
| Violation | Fix |
|---|---|
| Copy-pasted logic | Extract shared function/module |
| Knowledge in code AND comments | Let code be the authority; remove redundant comments |
| Same validation in client and server | Single schema, generate both |
| Repeated config across environments | Template or derive from one source |
| Data structure duplicated across types | Single source type, derive others |
- DRY applies to knowledge, not text. Two functions with identical code but representing different knowledge are not DRY violations
- Watch for DRY violations across: code, documentation, data schemas, API specs, build config
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 · 173 lines · 102 tokens per session scan A f967daa43a2a
review-design is a skill published in the GitHub repository urmzd/dotfiles (3 stars, last pushed 23d ago), licensed Apache-2.0. It adds 102 tokens to every session and 1,782 once invoked, about $0.0005 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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