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Strunk & White Elements of Style — Claude Code prose review skill (/prose)
name description argument-hint disable-model-invocation
prose
Reviews prose against Strunk & White's The Elements of Style. Use when editing blog posts, checking writing for clarity, or before publishing.
file-path
true

Review the prose in $ARGUMENTS against The Elements of Style by Strunk & White. If no argument is given, ask the user to paste the text or provide a file path.

Read the file if a path is given. Then inspect the prose against every rule below. For each violation found, quote the offending passage, name the rule broken, and suggest a corrected version. Be specific and direct — do not be encouraging or complimentary. At the end, give a brief overall verdict.


ELEMENTARY RULES OF USAGE

Rule 1 – Possessive singular: add 's Charles's friend, Burns's poems. Exceptions: ancient names ending in -es/-is (Achilles' heel), Jesus', and conscience' sake.

Rule 2 – Series comma Use a comma after each term in a series of three or more: "red, white, and blue." The final comma before the conjunction is required.

Rule 3 – Parenthetic expressions between commas Non-restrictive clauses and interruptive phrases must be enclosed by commas on both sides. Never omit one comma and leave the other. Restrictive clauses take no commas.

Rule 4 – Comma before and/but joining independent clauses "The situation is perilous, but there is still one chance of escape." Required when a full independent clause follows.

Rule 5 – Do not join independent clauses with a comma (comma splice) Use a semicolon, a period, or a conjunction. "It is nearly half past five; we cannot reach town before dark." Short parallel clauses may use a comma: "Man proposes, God disposes."

Rule 6 – Do not break sentences in two Do not use a period where a comma belongs. "I met them on a Cunard liner several years ago. Coming home from Liverpool." — wrong. Emphatic fragments are permissible only when the emphasis is clearly warranted.

Rule 7 – Participial phrase at the start must refer to the grammatical subject "Walking slowly down the road, he saw a woman." The participle must attach to the sentence's subject, not to some other noun. Sentences like "Being in a dilapidated condition, I bought the house cheap" are correct; "Being in a dilapidated condition, the house was cheap" is not.


ELEMENTARY PRINCIPLES OF COMPOSITION

Rule 9 – One paragraph per topic Each paragraph should develop a single idea. A new paragraph signals a new step. Single sentences should not normally stand as paragraphs unless they are transitional.

Rule 10 – Begin each paragraph with a topic sentence The topic sentence states the paragraph's purpose. Succeeding sentences explain, establish, or develop it. Do not end a paragraph with a digression or an unimportant detail.

Rule 11 – Use the active voice The active voice is more direct and vigorous. Prefer "Dead leaves covered the ground" over "There were a great number of dead leaves lying on the ground." The passive is permitted when the agent is unknown, irrelevant, or when a particular word must be the subject. Never chain two passives: "He has been proved to have been seen entering" → "It has been proved that he was seen to enter."

Flag: there is / there are / there was / there were constructions that could be made active. Flag: noun-as-subject-of-passive that expresses the whole action ("A survey of this region was made" → "This region was surveyed").

Rule 12 – Put statements in positive form Avoid negative statements where a positive word exists.

  • not honest → dishonest
  • did not remember → forgot
  • did not pay attention to → ignored
  • not very often on time → usually came late

Do not use "not" as evasion. "The Taming of the Shrew is rather weak in spots" → "The women in The Taming of the Shrew are unattractive."

Rule 13 – Omit needless words Every word must earn its place. Flag these constructions:

  • "the question as to whether" → "whether"
  • "there is no doubt but that" → "no doubt" / "doubtless"
  • "used for fuel purposes" → "used for fuel"
  • "he is a man who" → just "he"
  • "in a hasty manner" → "hastily"
  • "this is a subject which" → "this subject"
  • "owing to the fact that" → "since" / "because"
  • "in spite of the fact that" → "though" / "although"
  • "call your attention to the fact that" → "remind you"
  • "the fact that he had not succeeded" → "his failure"
  • "His story is a strange one" → "His story is strange"
  • "who is," "which was" and similar relative clauses that add nothing

Rule 14 – Avoid a succession of loose sentences A series of clauses joined by and, but, who, which, when, where, while becomes monotonous. Vary: use simple sentences, semicolons, periodic sentences, or subordinate clauses.

Rule 15 – Express coordinate ideas in similar form (parallel construction) Items in a series, correlatives (both/and, not/but, not only/but also, either/or), and listed points must be grammatically parallel.

  • "It was both a long ceremony and very tedious" → "The ceremony was both long and tedious"
  • "A time not for words, but action" → "A time not for words, but for action"
  • "My objections are, first, the injustice; second, that it is unconstitutional" → both in the same grammatical form

Rule 16 – Keep related words together Subject and principal verb should not be separated by a transferable phrase. The relative pronoun should follow its antecedent immediately. Modifiers should be next to what they modify.

  • "He only found two mistakes" → "He found only two mistakes"
  • "All the members were not present" → "Not all the members were present"

Rule 17 – In summaries, keep to one tense Do not shift tenses mid-summary. Present tense is preferred for drama/fiction summaries; antecedent action uses the perfect.

Rule 18 – Place emphatic words at the end The end of a sentence is the position of greatest emphasis. The beginning is second. Bury weak words in the middle. Rearrange sentences so the most important element lands last.

  • "Humanity has hardly advanced in fortitude since that time, though it has advanced in many other ways" — the emphasis falls wrongly on "ways."
  • → "Humanity, since that time, has advanced in many other ways, but it has hardly advanced in fortitude."

WORDS AND EXPRESSIONS COMMONLY MISUSED

Flag any of the following:

  • all right — always two words
  • as to whether → "whether"
  • case ("in many cases") — usually needless; cut it
  • certainly as an intensifier — cut it
  • character ("acts of a hostile character") → "hostile acts"
  • claim misused for say, declare, maintain
  • dependable → "reliable" or "trustworthy"
  • due to misused adverbially ("he lost, due to carelessness") → "because of," "owing to"
  • etc. — not for persons; not after "such as" / "for example"
  • factor — hackneyed; replace with something direct
  • feature (vb.) — avoid in advertising sense
  • fix — colloquial for arrange/mend; avoid in formal prose
  • he is a man who — cut the relative; "he is ambitious," not "he is a man who is ambitious"
  • however — when meaning "nevertheless," must not open the sentence
  • kind of / sort of — not substitutes for "rather" or "somewhat"
  • less / fewer — less = quantity, fewer = number
  • line, along these lines — overworked; cut or replace
  • literal / literally — not to support exaggeration
  • lose out, try out, win out — "lose out" adds nothing; use "lose"
  • most misused for "almost" — "most everybody" → "almost everybody"
  • nature ("of a hostile nature") → "hostile"
  • one of the most — threadbare opening; avoid starting paragraphs this way
  • people misused for "persons" with numbers
  • phase — only for stages of transition; not for "aspect" or "topic"
  • possess misused for "have" — "he possessed courage" → "he had courage"
  • respective / respectively — usually omit
  • so as intensifier ("so good," "so warm") — avoid
  • state misused for "say" — restrict to "express fully or clearly"
  • student body → "students"
  • system — often needless ("the dormitory system" → "dormitories")
  • thanking you in advance — presumptuous; avoid
  • very — use sparingly; prefer a stronger word
  • viewpoint → "point of view"
  • while — use only for "during the time that"; not as a substitute for "and," "but," or "although"
  • whom incorrectly used for "who" before expressions like "he said"
  • worth while before a noun ("a worth while story") — indefensible
  • would for "should" in first-person conditional — "I should not have succeeded"

FORMAT FOR FEEDBACK

For each violation:

[Rule N – Rule name] Original: "…" Problem: one sentence explanation Suggested: "…"

Then a final Overall paragraph: the dominant weaknesses and what to prioritise in revision.

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