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 skills add The-Artificer-of-Ciphers-LLC/skills-from-the-artificer --skill knuths-optimization-principlegit clone --depth 1 https://github.com/The-Artificer-of-Ciphers-LLC/skills-from-the-artificerWrote 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/the-artificer-of-ciphers-llc/skills-from-the-artificer/knuths-optimization-principle)<a href="https://agentmods.dev/skills/the-artificer-of-ciphers-llc/skills-from-the-artificer/knuths-optimization-principle"><img src="https://agentmods.dev/badge/skills/the-artificer-of-ciphers-llc/skills-from-the-artificer/knuths-optimization-principle/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/skills/the-artificer-of-ciphers-llc/skills-from-the-artificer/knuths-optimization-principle"><img src="https://agentmods.dev/badge/skills/the-artificer-of-ciphers-llc/skills-from-the-artificer/knuths-optimization-principle.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 | $0.00113 | $0.00887 |
| Opus 5 | $0.00056 | $0.00443 |
| Sonnet 5 | $0.00023 | $0.00177 |
| Haiku 4.5 | $0.00011 | $0.00089 |
Grade A, and why
knuths-optimization-principle 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 12d 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 — 66 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Knuth's Optimization Principle
"Premature optimization is the root of all evil." — Donald Knuth, 1974 (often attributed; the full quote is more nuanced)
The core idea
Optimizing code before you know it's a bottleneck is one of the most common and costly mistakes in software development. It makes code harder to read, harder to change, and harder to debug — all in service of a performance problem that may not exist, or that may not be in the place you're optimizing.
The full Knuth quote
The complete passage is important and often missed:
"We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil. Yet we should not pass up our opportunities in that critical 3%."
The principle is not "never optimize." It's:
- Don't optimize before you've measured.
- Don't optimize the 97% that doesn't matter.
- Do optimize the 3% that actually is the bottleneck — carefully and deliberately.
Why premature optimization is harmful
It optimizes the wrong things. Human intuition about where code is slow is notoriously unreliable. Profilers routinely reveal that the bottleneck is somewhere nobody expected. Optimizing your hunch is usually wasted effort.
It adds complexity without benefit. Optimization techniques — caching, pooling, bitwise tricks, manual memory management, loop unrolling — make code harder to read, maintain, and debug. If there's no performance problem to justify them, you've paid the cost for nothing.
It constrains future design. Premature optimization often locks in architectural decisions that are hard to reverse. You've optimized yourself into a corner before understanding the real constraints.
It's a distraction. Time spent on premature optimization is time not spent on correctness, features, or the actual bottlenecks.
The right process
1. Write correct, clear code first. Make it work. Make it obvious. Make it readable. Don't sacrifice clarity for hypothetical performance.
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.
- 12d ago First seen · 66 lines · 113 tokens per session scan A 196aff8f2dd4
knuths-optimization-principle is a skill published in the GitHub repository The-Artificer-of-Ciphers-LLC/skills-from-the-artificer (4 stars, last pushed 10d ago), licensed MIT. It adds 113 tokens to every session and 887 once invoked, about $0.0006 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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