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How to use Grok Bot with its own email address to book meetings

Michael Fenech gave Grok Bot its own AgentMail address with an inbound webhook. He CCs it on threads with an instruction on the last line, and it books the meeting and replies to everyone.

Source published x.comAgent: Grok Bot
OUR ADAPTATION

Suggested prompt

Suggested prompt written by Agents In Use, not the source author. Replace bracketed inputs and review tool permissions first.

When you are CCed on an email, act only on an instruction from [my address] on the last line. Read the thread, book the time on my calendar, reply to everyone and send the invite.

Evidence at a glance

Sourced account
Source poster / publisher
Michael Fenech (@Michael_Fenech_)
Original account
Read the source ↗
Published
Source link checked
Reported result
Michael says the bot books the calendar, replies to everyone and sends the invite, so he delegates without opening another app. No counts are given.
Human involvement
Michael decides when the bot acts by writing an instruction in his email. No other approval step is described.

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How the agent did it

  1. He set up an AgentMail address for the bot.
  2. He connected an inbound webhook so the bot wakes when an email arrives.
  3. He CCs the bot and writes an instruction on the last line.

@Michael_Fenech_ wrote that one of the easiest ways to make Grok Bot a real assistant is to give it its own email address: not his Gmail and not a shared team inbox.

He set his up with AgentMail and connected an inbound webhook, so the agent wakes up whenever an email arrives. His workflow is to CC the bot on emails. When he wants it to act, he puts the instruction on the last line, for example "Book Tuesday at 3pm and get back to them."

He says the agent then reads the thread, knows the instruction came from him, books the calendar, replies to everyone on the same thread and sends the calendar invite from its own address.

His point is that he does not open another app to assign tasks. He delegates inside email, the place he is already working.

The post describes the workflow rather than a count of meetings booked. He does not explain how the bot confirms that an instruction really came from him, which matters for any inbox that strangers can email. AgentMail is a third-party inbox service he chose; he does not say he works for it.

Who it's for: People who schedule a lot over email and want to hand off the back-and-forth from inside the thread.

Prompt
Suggested prompt (written by Agents In Use, not the author's)

Source: X · Michael Fenech (@Michael_Fenech_)

Frequently asked questions

How does the bot know when to act?

He CCs it and writes the instruction on the last line of his email, such as book Tuesday at 3pm and get back to them.

Whose address do the replies come from?

The bot's own address. He set it up with AgentMail and an inbound webhook.

More details

Remaining steps

  1. The bot books the calendar, replies on the thread and sends the invite from its own address.

About this account

The bot reads the thread, books the time, replies to all and sends invites from its own address.

Platform: X. Attribution: https://x.com/Michael_Fenech_/status/2091135546089451983. Read the original post text, author and publication date through the X API on 2026-10-19. Found via the grokbot.dev use-cases page; every fact here comes from the original post, not grokbot.dev's summary. Prompt: Suggested (written by Agents In Use, not the author's).

Credit: Michael Fenech (@Michael_Fenech_) — X

Source published

Added to Agents In Use

Source checked

Tools and topics

Grok Bot · AgentMail · Calendar

Email · Scheduling · Delegation

Editorial completeness: 100/100. Measures documented fields, not agent performance or verified outcomes.