MailMentor Sales Copilot Chrome Extension
Analyzes a prospect's business across 20+ sites, then drafts a personalized outreach email.
At a glance
Starts at
Free
No paid plan found on the Chrome Web Store, September 2026.
Free tier
Yes
Platforms
Chrome
Best for
Sales reps prospecting while browsing the web
Not for
Teams wanting an established track record
3.9 out of 5
Scored by a Toolio reviewer after real useOur verdict
MailMentor reads more than 20 websites about a prospect's business to build context, then drafts a personalized outreach email that folds in your calendar availability, ready to send from Gmail. It runs continuously as you browse rather than requiring you to research each lead manually. It's a small extension with just one rating so far, so there isn't much outside evidence of results yet.
✓What it does well
Deep prospect researchIt reads more than 20 sites per contact to build real context before drafting.
Calendar-aware draftingIt folds your calendar availability directly into the outreach message.
Gmail-ready draftsDrafts land in Gmail with the recipient's address already filled in.
✕Where it falls short
Barely reviewedIt has only one rating so far, so there's little outside evidence of results.
English onlyIt's listed in English only, with no other language shown.
Background research still needs reviewAutomated research can miss nuance, so drafts still benefit from a manual check before sending.
Key features
Prospect analysisIt analyzes a prospect's business and customers automatically as you browse.
Contextual email draftingIt drafts outreach emails using context gathered from over 20 sites per contact.
Calendar integrationIt includes your availability directly in outreach messages.
Gmail draft deliveryFinished drafts are sent directly into Gmail, ready to send.