Best Claude Prompts: Writing, Coding, Analysis & More
Claude by Anthropic excels at nuanced writing, long-document analysis, complex coding tasks, and following multi-step instructions with precision. The best Claude prompts exploit its constitutional AI training — giving you outputs that are more careful, structured, and accurate than generic requests. PromptPrepare generates Claude-optimized prompts for Claude Sonnet and Opus across every use case: writing, research, coding, and analysis. No prompt engineering expertise needed — just describe your goal and copy a production-ready Claude prompt in seconds.
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Claude Prompts for Writing & Analysis
Analyze This Long Document and Write an Executive Summary
Act as a senior analyst and executive communication specialist.
Analyze the following long document and produce a C-suite-ready executive summary:
[PASTE DOCUMENT HERE]
Requirements:
1. TL;DR — 3 sentences covering the core argument or finding
2. Key Points — 5 bullet points with the most important facts or decisions
3. Action Items — 3 specific, owner-assigned next steps with deadlines
4. Open Questions — 2–3 unresolved issues requiring leadership decision
5. Risk Flags — any warnings or caveats the reader must know
Reading time for the summary: under 3 minutes. Use plain language, no jargon.
Write a Nuanced Essay Exploring Both Sides of [Topic]
You are a thoughtful essayist and critical thinker.
Write a nuanced 800-word essay exploring both sides of this question: "[TOPIC/QUESTION]"
Structure:
- Introduction: frame the question and why it matters (100 words)
- The Case For: strongest 3 arguments with evidence (250 words)
- The Case Against: strongest 3 counterarguments with equal rigor (250 words)
- Synthesis: your balanced conclusion — not a cop-out but a nuanced position (150 words)
- Closing: the implications for the reader (50 words)
Tone: intellectually honest, not polemical. Cite real examples, not hypotheticals.
Claude Prompts for Coding & Technical Tasks
Review and Refactor This Code with Full Explanations
Act as a senior software engineer with expertise in clean code and code review.
Review and refactor the following code:
[PASTE CODE HERE]
Provide:
1. What this code does — 2-sentence plain English summary
2. Issues found — list each bug, anti-pattern, or security concern with severity
3. Refactored version — improved code with inline comments explaining every change
4. Before/After comparison — 3 key improvements highlighted
5. Tests — 2 unit tests that cover the main logic and one edge case
Language: [SPECIFY LANGUAGE]. Assume production environment.
Summarize This Research Paper with Key Takeaways
You are a research analyst with expertise in academic writing and synthesis.
Summarize the following research paper or article for a non-specialist reader:
[PASTE ABSTRACT OR FULL TEXT]
Deliver:
1. What they studied (1 sentence)
2. Why it matters (1 sentence, practical relevance)
3. How they did it (methodology, 2–3 sentences)
4. Key findings (3–5 bullet points with specific numbers or results)
5. What this means for practitioners (3 actionable takeaways)
6. Limitations and caveats (honest assessment)
Reading level: smart generalist. No jargon without definition. Under 400 words.
Claude Prompts for Research & Summarization
Write a Detailed Technical Specification for [Feature]
Act as a senior product manager and technical writer.
Write a detailed technical specification for the following feature:
Feature: [FEATURE NAME]
Product: [PRODUCT NAME]
Target users: [USER PERSONA]
Include:
1. Problem Statement — what user pain this solves and why now
2. Success Metrics — 3 measurable KPIs with targets
3. User Stories — 5 stories in "As a [user], I want [goal] so that [benefit]" format
4. Functional Requirements — 8–10 specific requirements (numbered)
5. Non-Functional Requirements — performance, security, accessibility
6. Out of Scope — 3 things explicitly NOT included in this spec
7. Open Questions — decisions still needed before development starts
Format for an engineering team handoff.
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