Here are 10 high-value prompts that make Claude genuinely useful daily:

1. "Summarize this in 5 bullet points" + paste any document
2. "Review this code and find bugs" + paste code
3. "Rewrite this email to be more professional" + paste draft
4. "Explain [concept] to a 10-year-old"
5. "Give me 10 ideas for [topic]"
6. "What are the pros and cons of [decision]?"
7. "Turn these notes into a structured document" + paste notes
8. "Write a regex that matches [description]"
9. "What questions should I be asking about [topic]?"
10. "Act as a [role] and give me feedback on [work]"

Reference:

Prompt engineering guide

https://docs.anthropic.com/en/docs/build-with-claude/prompt-engineering/overview