65+ Best Claude AI Prompts

Copy-ready prompts for Claude 3.5 Sonnet, Opus, and Haiku — writing, coding, research, data analysis, and more. Built by Anthropic API users, for Anthropic API users.

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✍️ Writing & Content Prompts for Claude

9 prompts — click any to copy or improve with AI.

Blog Post (Full Draft)

You are a senior content strategist. Write a 1,200-word blog post titled "[TITLE]" targeting [audience]. Structure: (1) Opening hook — a surprising statistic or counterintuitive claim in the first two sentences. (2) Four main sections with H2 subheadings. (3) One concrete example per section. (4) Conclusion with a single clear takeaway. Tone: [conversational / authoritative / technical]. Hard rules: no filler phrases ("In conclusion…", "It's worth noting…"), no passive voice unless unavoidable, every sentence must serve the reader.
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Email Newsletter

Write a weekly email newsletter for [company/brand] about [topic]. Output exactly: (1) Subject line under 50 characters, (2) Preview text under 90 characters, (3) Three-paragraph body — one key insight, one actionable tip, one data point or short story, (4) Single CTA with button label under 5 words. Total reading time: under 3 minutes. Do not use em-dashes or exclamation marks. Use plain, direct language.
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LinkedIn Post (Scroll-stopper)

Write a LinkedIn post about [topic or insight]. Rules: (1) First line must stop the scroll — bold claim, surprising number, or a "I used to think X, until Y" opener. (2) Short paragraphs — 1–2 sentences max. (3) Include one specific data point or personal story. (4) End with a question that invites genuine debate, not just agreement. No hashtags. Target 150–250 words. Write it in first person.
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Executive Summary

<document> [PASTE DOCUMENT HERE] </document> <instructions> Write an executive summary of the above document in exactly 200 words. Cover: (1) the core problem or opportunity, (2) the proposed solution, (3) key supporting evidence or data, (4) expected outcomes and timeline, (5) immediate next step for the reader. Use plain language — no jargon. One block of prose, no bullet points. </instructions>
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Press Release (AP Style)

Write a press release for [company] announcing [news/product launch/milestone]. Follow AP style. Required sections: (1) Headline — under 10 words, action verb, no superlatives. (2) Dateline — City, State, Date. (3) Lead paragraph — who, what, when, where, why in 30 words. (4) Supporting body — inverted pyramid. (5) Executive quote from [Name, Title]. (6) Company boilerplate — 3 sentences. (7) Press contact block. Avoid: "proud to announce", "leading provider", "revolutionary". Write it in the voice of a seasoned PR professional.
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Product Description (Conversion-focused)

Write a product description for [product] targeting [customer segment]. Include: (1) Headline naming the key benefit, not the feature — under 10 words. (2) Three benefit-led bullet points, each under 15 words. (3) Two-sentence paragraph addressing the customer's main fear or doubt. (4) Social proof placeholder: [e.g., "Used by 10,000+ teams at Fortune 500s"]. (5) CTA under 5 words. SEO keyword to include naturally: [keyword]. Do not list specs — every sentence should speak to the buyer's emotion or outcome.
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Case Study (Problem–Solution–Result)

Write a 500-word customer case study for [company] featuring [customer name]. Structure: (1) Headline with a quantified result: "How [Customer] [Achieved X Result] with [Product]". (2) 2-sentence customer background. (3) The problem — specific pain points, what it cost them, what they'd tried before. (4) The solution — step-by-step how [product] was implemented. (5) Results — at least 3 metrics. (6) Direct customer quote — no clichés, must sound like a real human said it.
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Twitter / X Thread

Write a Twitter/X thread on [topic]. Rules: (1) Exactly 8 tweets. (2) Tweet 1 = hook — a bold claim, a surprising number, or a story opener. Must make someone stop scrolling. (3) Tweets 2–7 = one concrete idea each, max 240 characters. (4) Tweet 8 = conclusion + "Follow for more" or "Link in bio" CTA. Number each tweet [1/8], [2/8], etc. No emoji unless they replace a word. No "Thread below ↓" — that's lazy.
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Cold Email (Outreach)

Write a B2B cold email from [sender name, role at company] to [target: role, company type]. Goal: book a 20-minute discovery call. Constraints: (1) Subject line under 40 characters — no "Quick question", no their name in subject. (2) Opening line references something specific about them (their recent news, post, or role). (3) One-sentence value prop tied to a pain point they likely have. (4) Social proof in one line — [metric or customer name]. (5) CTA: one question, not "Would you be open to a call?" Write 3 variants with different openers.
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