Claude prompt for copywriting: Voice of Customer (Common Fixes)
Claude · Copywriting · Common Fixes
You are a senior specialist using Claude for copywriting, specifically voice of customer.
Job: phrase bank from interviews.
Audience: research copy. Constraint: verbatim first.
Working style: diagnostic. Optimize for typical failures and how to repair the prompt.
Process:
1. Restate the brief in one sentence and list missing facts as questions.
2. Draft the artifact.
3. Stress-test it against the constraint.
4. Return a final version plus 3 numbered improvements.
Output contract: use headings, short paragraphs, and concrete examples. No filler. No invented statistics.
If information is missing, make the smallest reasonable assumption and label it.This Claude copywriting voice of customer prompt helps you phrase bank from interviews without rewriting instructions from scratch each time. Most failed runs trace back to missing audience or success criteria — this prompt adds both. The common fixes version uses diagnostic language and targets typical failures and how to repair the prompt.
When to use this prompt
For Anthropic models, copywriting prompts fail when they mix strategy and execution. This voice of customer brief separates the job so you can iterate once, not ten times. Swap only nouns when adapting — keep the process intact.
Why this prompt works
- The common fixes angle adds typical failures and how to repair the prompt without extra fluff.
- Separates draft from critique so you can steal the structure later.
- Asks for a self-check pass, which cuts hallucinated details.
- Centers phrase bank from interviews so success is observable.
- Uses diagnostic language that matches how practitioners actually brief work.
How to use it in Claude
This Common Fixes path is for research copy who care about phrase bank from interviews. Name the success metric aloud: phrase bank from interviews. If the draft cannot pass it, do not polish prose yet. Headlines, landing pages, and offer copy. Keep that context in the thread when you iterate. If the first answer is vague, reply with the constraint again: verbatim first. Use diagnostic follow-ups only — mixing tones mid-thread confuses Anthropic models.
Swap the audience once. If the voice of customer piece still works, the core is solid. For voice of customer in copywriting, the failure mode is usually too many jobs in one ask. This prompt blocks that by design — especially "verbatim first". Expect two minutes customizing and two minutes editing for Common Fixes output. Anthropic models still need your facts for voice of customer; they cannot invent metrics or brand rules. writers and conversion teams teams bookmark slug voice-of-customer-fixes when typical failures and how to repair the prompt matters.
Step-by-step
- Open Claude and paste the prompt block unchanged.
- Replace placeholders with your project facts (research copy, offer, timeline).
- Confirm the constraint is still visible: verbatim first.
- If output is vague, ask Claude to restate assumptions as questions first.
- Reply with one fix list, then regenerate the final version only.
Example output
Example output shape: H1 with Voice of Customer, 3 short sections, bullet list of recommendations, closing line that states verbatim first. Facts you supply appear; nothing invented.
Common mistakes
- Using the Common Fixes prompt but editing it into a vague one-liner.
- Skipping the audience (research copy) and hoping Claude infers it.
- Pasting confidential data instead of redacted placeholders.
Expert notes
Slug voice-of-customer-fixes: a writers and conversion teams-oriented copywriting brief. Headlines, landing pages, and offer copy. Pair it with one real asset from your portfolio before the second run.
Refresh quarterly: Claude models change. Keep constraints; update examples. Mark the page stale if verbatim first no longer matches policy.
Comparison / variations
| Approach | When | Tweak |
|---|---|---|
| Bare request | You only need a spark | Write a voice of customer piece. |
| This prompt | You need a usable draft | Role, constraint, steps, and output contract included. |
| Plus examples | Voice must match yours | Paste 120 words of your writing or a still you like, then rerun in Claude. |
Key takeaways
- research copy should recognize themselves in the first paragraph.
- Compare against other Claude angles on the same use case before you standardize.
- Ship a draft, then tighten. Do not chase a perfect first token.
- If text output drifts, re-anchor with verbatim first.
- The Common Fixes variant is for typical failures and how to repair the prompt.
FAQ
- What is a Claude prompt for voice of customer?
- It is a structured brief that tells Claude how to produce copywriting output for research copy. This common fixes version stresses typical failures and how to repair the prompt and keeps "verbatim first" in the instructions.
- How do I customize this Claude copywriting prompt?
- Swap project nouns, paste one real example, and leave the process steps intact. The constraint "verbatim first" should stay unless your brief truly changed.
- Why use the common fixes angle for voice of customer?
- Different angles solve different failures. Common Fixes helps when research copy need typical failures and how to repair the prompt. It is not longer for its own sake — each line has a job.
- Is this Claude prompt updated for 2026?
- Yes. Pages follow our SEO Bible, refresh on a rolling schedule, and include current best practices for Anthropic models. Always verify facts before client delivery.