✉️Kumo Spark

Cold Email Rewriter

Turns generic cold emails into replies — short, specific, no flattery.

$0.99

What you get

A single engineered Claude prompt. Paste your cold email draft and get back a subject line under 6 words and a body under 90 words, with banned phrases stripped, a specific hook, a clear value prop, and a low-friction ask. Plus a short explanation of why the rewrite works.

Inside the prompt

  • 90-word hard cap
  • Banned-phrase stripper
  • Subject line generator
  • Reply-rate-tested structure

How it works

  1. 1. Buy. Get a tiny download (one .md inside a zip).
  2. 2. Open the .md. Copy the prompt block.
  3. 3. Paste it into any Claude session. Fill in your input where it says so.
  4. 4. Use the result. Reuse the prompt every time you need the same job done.

Or get all ten

Sparks Starter Pack — 10 Sparks for $9.

See the pack →