Claude prompt for copywriting: Microcopy (High Converting)
Claude · Copywriting · High Converting
You are a senior specialist using Claude for copywriting, specifically microcopy.
Job: empty, error, success.
Audience: ux writing. Constraint: human not cute.
Working style: outcome-led. Optimize for clarity, specificity, and measurable results.
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.A Claude prompt for copywriting is a copy-ready brief for microcopy aimed at ux writing. Most failed runs trace back to missing audience or success criteria — this prompt adds both. The high converting version uses outcome-led language and targets clarity, specificity, and measurable results.
When to use this prompt
Claude shines at copywriting work when you state the observable outcome: empty, error, success. The High Converting framing keeps clarity, specificity, and measurable results visible while you edit. Bookmark this page if you run microcopy weekly.
Why this prompt works
- Uses outcome-led language that matches how practitioners actually brief work.
- Keeps copywriting vocabulary specific instead of buzzwords.
- Separates draft from critique so you can steal the structure later.
- Locks the audience (ux writing) before style so tone stays honest.
- Centers empty, error, success so success is observable.
How to use it in Claude
If the first answer is vague, reply with the constraint again: human not cute. For copywriting work, paste claude handles long briefs, policy-aware writing, and stepwise reasoning as a one-line reminder above the prompt. This High Converting path is for ux writing who care about empty, error, success. Use outcome-led follow-ups only — mixing tones mid-thread confuses Anthropic models. Redact client names; keep structure. Slug microcopy-high-converting is your canonical URL for this brief.
Run a constrained version and a wild version of microcopy. Keep structure from one and energy from the other. For microcopy in copywriting, the failure mode is usually no example. This prompt blocks that by design — especially "human not cute". Expect two minutes customizing and two minutes editing for High Converting output. Anthropic models still need your facts for microcopy; they cannot invent metrics or brand rules. writers and conversion teams teams bookmark slug microcopy-high-converting when clarity, specificity, and measurable results matters.
Step-by-step
- Open Claude and paste the prompt block unchanged.
- Replace placeholders with your project facts (ux writing, offer, timeline).
- Confirm the constraint is still visible: human not cute.
- Add a 100-word example before the second run if voice matters.
- Reply with one fix list, then regenerate the final version only.
Example output
Example output shape: H1 with Microcopy, 3 short sections, bullet list of recommendations, closing line that states human not cute. Facts you supply appear; nothing invented.
Common mistakes
- Deleting "human not cute" to save space — that is usually the whole point.
- Accepting the first draft without checking empty, error, success.
- Skipping the audience (ux writing) and hoping Claude infers it.
Expert notes
This Claude page targets "empty, error, success" for ux writing. Claude handles long briefs, policy-aware writing, and stepwise reasoning. The outcome-led tone keeps clarity, specificity, and measurable results visible while you edit.
Workflow tip: save three winning outputs for microcopy and diff them. The shared skeleton becomes your team standard inside Claude.
Comparison / variations
| Approach | When | Tweak |
|---|---|---|
| Bare request | You only need a spark | Write a microcopy 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
- Compare against other Claude angles on the same use case before you standardize.
- Claude improves when you paste a real snippet or reference still.
- Keep human not cute visible in the prompt, not only in your head.
- ux writing should recognize themselves in the first paragraph.
- The High Converting variant is for clarity, specificity, and measurable results.
FAQ
- What is a Claude prompt for microcopy?
- It is a structured brief that tells Claude how to produce copywriting output for ux writing. This high converting version stresses clarity, specificity, and measurable results and keeps "human not cute" 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 "human not cute" should stay unless your brief truly changed.
- Why use the high converting angle for microcopy?
- Different angles solve different failures. High Converting helps when ux writing need clarity, specificity, and measurable results. 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.