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 yegor256/critic --skill rewrite-prosegit clone --depth 1 https://github.com/yegor256/criticWrote 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/yegor256/critic/rewrite-prose)<a href="https://agentmods.dev/skills/yegor256/critic/rewrite-prose"><img src="https://agentmods.dev/badge/skills/yegor256/critic/rewrite-prose/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/yegor256/critic/rewrite-prose"><img src="https://agentmods.dev/badge/skills/yegor256/critic/rewrite-prose.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 | $0.00033 | $0.00759 |
| Opus 5.5 | $0.00013 | $0.00304 |
| Sonnet 5.5 | $0.00007 | $0.00152 |
| Haiku 4.5 | $0.00003 | $0.00076 |
Grade A, and why
rewrite-prose 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 1mo 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 — 121 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Meaning
Preserve tone of voice. Preserve meaning exactly. Ask author when sentence is ambiguous. Replace awkward constructions with cleaner ones of same meaning.
Tense
Use present tense instead of will, except when future is point.
Clichés
Cut clichés like at the end of the day or needless to say.
Cut low-hanging fruit and circle back too.
Cut tautologies like end result, each and every, or free gift.
Cut throat-clearing openers like it is worth noting or here is the thing.
Cut manufactured not just X, but Y contrast and state point directly.
Replace vague declarative like the reasons are structural with specifics.
Drop empty absolutes like always or never unless they hold literally.
Rewrite any sentence engineered to read like pull-quote.
Lists
Use Oxford comma in lists of three or more.
Complete every list or name its category.
Drop trailing etc., and so on, and so forth, or ellipses.
Dashes
Separate two clauses with period or recast sentence rather than em dash.
Voice
Prefer active voice unless actor is unknown or irrelevant.
Give every verb subject that can perform it.
Cut false agency where abstraction acts like person.
Name real actor in phrases like the decision emerges.
Filler
Cut filler words like very, really, just, and actually.
Cut basically and essentially too.
Replace very X with stronger single word.
Replace in order to with to.
Diction
Prefer Anglo-Saxon words over Latinate.
Use use instead of utilize, and start instead of commence.
Drop that when removal does not hurt readability.
Replace double negatives like not uncommon with positive word.
Rhythm
Keep parallel grammar across list items.
Resist reflexive three-item rhythm when two items say enough.
Vary sentence length so rhythm never turns metronomic.
Split sentences carrying two ideas joined by and or but.
Subjects
Lead with real subject instead of there is or there are, which delay it.
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 1mo ago First seen · 121 lines · 33 tokens per session scan A 9b158d48ab22
rewrite-prose is a skill published in the GitHub repository yegor256/critic (4 stars, last pushed today), licensed MIT. It adds 33 tokens to every session and 759 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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