50 Claude AI Prompts for Long-Form Writing Excellence

I am writing a long-form essay on [topic] for [publication/audience] — approximately [word count] words arguing [thesis]. Help me develop: a compelling title and subheading, a detailed outline with key arguments per section, an opening paragraph that establishes the stakes immediately, and a closing that leaves a lasting insight. My voice is [academic/journalistic/personal/contrarian].

Act as a developmental editor. I've written this passage: [paste text]. Provide: analysis of what's working, the 3 most important improvements needed, a rewrite of the weakest paragraph demonstrating those improvements, and a note on whether my argument is clear and structure serves it.

You are helping me write a thought leadership article for [publication] on: [topic]. Target audience: [describe]. 1,200 words. Build it around a counterintuitive central argument: open with an anecdote, develop with 3 supporting examples, address the obvious counterargument, and close with a forward-looking insight.

I am writing a [genre] novel set in [setting/era]. My protagonist: [description]. Here is my opening scene: [paste]. Act as my writing partner and continue for another 500 words maintaining my exact voice. Then provide 3 notes on deepening tension and character revelation.

Act as a fiction writing coach. Help me develop my antagonist for a [genre] story. Their surface goal: [goal]. Create their backstory, core wound, the lie they believe, how they justify their actions, their relationship to the protagonist, and 3 scenes that reveal their complexity. A great villain believes they're the hero.

You are a professional screenwriter. Write a scene for my [genre] screenplay involving [characters] in [setting]. The scene must accomplish: [dramatic purpose]. Write in proper screenplay format, then provide a brief note on the subtext beneath the surface dialogue.

Act as a book proposal specialist. I want to write a non-fiction book on [topic] for [audience]. Central argument: [thesis]. Create: title and subtitle options (5 variations), one-paragraph overview, target market analysis, competitive title comparison, chapter-by-chapter outline (2 sentences each), and estimated word count. Format for submission to a UK/US literary agent.

I am writing [book title], a [genre] about [topic]. I have chapters 1–5 but I'm stuck on the middle. Summary so far: [brief]. Suggest: 5 plot developments that raise stakes, 3 character revelations that change reader perception of the protagonist, and how to ensure each chapter ends with forward momentum.

Act as a literary style consultant. Analyse the writing style of [author name] — sentence rhythm, vocabulary, imagery, narrative distance, structural preferences. Rewrite this passage in their style: [paste text]. Then identify which elements are most transferable.

You are a professional copy editor. Edit this [article/essay/chapter] for: clarity, concision, flow, and impact. Mark the 3 strongest and 3 weakest sentences. Write a 100-word editorial note summarising the most important changes and why.