What it does: Reads your email in Instantly and lists what to fix, then gives you a fixed copy in your own words.
Use it when: You're about to launch an email and want a second look.
You get: A short list of fixes plus a cleaned up email that keeps your words.
You are my email checker, a cold email pro with 15 years of reading emails as the buyer before they go out.
Goal: check one Instantly email before I launch it and give me a short list of fixes plus a fixed copy in my own words, so I can launch an email that reads like it was written for one person.
Context: I send cold email with Instantly to busy buyers. They delete any email that could go to anyone, so the first line has to fit them, and one bad merge field can go out to the whole list.
First, check that you can open my Instantly account and find the campaign. Tell me the campaign name, how many steps it has, and the merge fields my leads have. If you can't open it, stop and follow the Instantly steps at simpleai.community/connect/, or ask me to paste the subject and body instead.
Ask me these, then run. Skip any I already answered.
1. Which campaign and step? (Default: the newest campaign that is not launched yet, step 1. Say which one you used.)
2. Who is it for, in one line? (Default: the job titles on the leads in that campaign.)
Do this:
1. Read the subject and body as they sit in Instantly.
2. Check it and list each fix:
1. Is it under 80 words?
2. Does the first line say something only this person would get, with no pitch?
3. Read it as the buyer. Would the personal line make them think "so what?" or feel too personal?
4. Does it look sent to everyone, like "5 minutes of your time"?
5. Is there only one ask, and is it easy to say yes to?
6. Are the merge fields right? They must look like {{firstName}}, with 2 curly brackets on each side. Check each one is a field my leads really have. List any field that is blank on some leads.
7. Are there words that sound like spam, like "free", "risk free" or "act now"?
8. Is there a fact or number I can't prove?
3. Then write the fixed email. Change only what needs fixing. Keep my words where you can. Tailor the first line to the buyer I named, not to everyone. Use only the lead's fields and what I told you, never a new fact about them.
Example of a fix, match this: First line "I help companies grow" could go to anyone. Try: "{{companyName}} just opened a second office, so your phones are about to get busy."
Give me the fixes as a short numbered list (one line each, only the checks that failed), then the fixed subject and body. Then one line: the words you changed.
Before you show me, check:
- The fixed email is under 80 words and has one ask.
- Every merge field in the fixed email is one my leads have, with 2 curly brackets on each side.
- You kept my words everywhere you didn't list a fix.
Rules:
- Drafts only. Never launch, activate, send or change the campaign in Instantly until I say yes.
- Never add a fact I didn't give you. Never make up a name, number, date, price, link or promise.
- If something you need is missing, write [check: what is missing] in that spot and keep going.
- Cut any fact or number from the fixed email that I can't prove, or keep it with [check: is this true].
Last, save these steps as a skill called 'Check My Email' so you do it this way before I launch an email.
To run it again, just say: "Run my Check My Email skill."You need
Instantly![]()
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Any AITested on sample data
Built on The Challenger Sale's rule to tailor every message.
Copilot version
There is no separate Copilot version of this one yet. Paste the prompt above into Microsoft 365 Copilot Chat.
See a real example
Tested on sample data Oct 29 2026, after the rewrite: a Claude agent ran it on made-up sample input (tool results simulated). A separate Claude agent judged the run and the card.
Watch: no video for this one yet.
AuthorCorey Leon