Guide

What is an AI that preps me before every meeting from my calendar and email?

An AI that preps you before every meeting from your calendar and email is a standing brief, not a transcript. It reads the next calendar event, pulls the last emails with those people, and lands a few lines before you join: who is coming, what you agreed, and what is still open. A recorder that joins the call is a different job. A prompt you type in Gmail is not a standing brief.

By The Concrete team · Published

We make Concrete.

What the job actually is

An AI that preps you before every meeting from your calendar and email is a standing brief, not a transcript. It reads the next calendar event, pulls the last emails with those people, and lands a few lines before you join: who is coming, what you agreed, and what is still open.

Founders, account leads, and CS leads run back-to-back check-ins. By the fourth call the prep is gone, and the first minutes are a search through Gmail and Slack for what was said and promised. Walking in cold is the leak. A QBR and a 15-minute client call have the same gap.

The buying prompt collapses four jobs: notes after the call, a short brief from prior notes, LinkedIn research on who they are, and a standing brief from calendar plus last emails, with what is still open. Open asks that sit in Slack overnight are a neighboring job, on the daily summary of open client asks. Promises you typed are on the chief of staff page.

Which tool wins which job

Fund the row that matches the leak. Notes after the call, a notepad brief, LinkedIn research, and a standing brief from last emails are neighboring jobs.

JobWins itWhy
Notes and a transcript after the callFireflies, Otter, Read AIA visible notetaker joins Zoom, Meet, or Teams. Fireflies Pro is $10 per seat per month billed annually, or $18 monthly. Otter Pro is $16.99 per user per month, or $8.33 billed annually. Read Pro is $15 per user per month billed annually, or $19.75 monthly.
Prep from prior transcripts before a recurring callFireflies Meeting PrepMeeting Prep uses previous meetings with the same attendees, plus open action items. A prep email goes out 1 hour before each recurring meeting. It is not on by default. It uses AI credits. Pro and above.
Bot-free notepad plus an overnight briefGranolaDevice audio, no bot. Briefs are 2-3 bullets from prior notes, calendar, optional Gmail, and the web. Business is $14 per user per month. Basic is $0 and has no briefs. Google Calendar and external meetings only.
LinkedIn research, email or iMessage deliveryLindyMeeting prep covers attendees, LinkedIn for externals, and past meetings. Email or SMS/iMessage. Daily digest and/or minutes before each meeting. Team starts at $29.99 per user per month for 3,000 credits. Recording joins visibly.
An on-demand prompt in GmailGemini in GmailAsk Gemini summarizes threads, finds earlier emails, and answers questions about events on your primary calendar. Eligible Workspace or Google AI plans. Business Standard is $14 per user per month billed annually. You still type the prompt.
Judgment on a messy accountA human EAA person can decide what not to say, and what still matters after the thread went quiet. No published list price.
A standing brief in Slack from calendar, last emails, and open promisesConcreteBefore each Google Calendar meeting it posts a brief in Slack or Telegram: who is attending, the last emails and Slack threads, and what was promised and is still open. It never joins, records, or transcribes. Design-partner preview; see what it is.

Prep is not notes

A recorder writes what happened on the call. A brief is what you need before you join. Fireflies, Otter, and Read AI win the notes row. Fireflies can also capture without a bot through its desktop app or Chrome extension. The default path is still a visible notetaker on the call.

Fireflies Meeting Prep is last-call notes, not last emails. It pulls key points and open action items from previous meetings with the same attendees. The prep email is 1 hour before a recurring meeting. If you have never met them, you get the attendee list and the calendar agenda. Promises that live in Gmail or Slack after the call are outside that brief.

Granola briefs land overnight in the meeting note: who you are meeting, what you discussed last time, what matters now. They are 2-3 bullets. They need Business or Enterprise, Google Calendar, and an external meeting. Internal meetings get no brief. Connect Gmail and the brief can include recent threads. The notepad is the delivery, not Slack.

Who they are is not what you still owe them

A LinkedIn bio tells you title and company. It does not tell you the deck you promised Friday, or the open ask sitting in Slack Connect. Lindy's meeting prep wins that research row: job title, company, and LinkedIn for external attendees, plus a summary of past meetings. Delivery is email or SMS/iMessage. The built-in sections do not list last emails.

Granola will research the wider web, including LinkedIn, and can add Gmail if you connect it. That mix is useful for a first meeting. For a client check-in, the leak is what we still owe them, not who they are.

Open promises across Slack and Gmail are a neighboring job, on how to stop forgetting emails you promised and commitments from Slack threads. Work across apps with a send gate is on Lindy vs an AI employee in Slack.

The caveat that should decide the setup

The failure operators name first is a bot on the call. A visible notetaker changes the room. Some clients get stiff. Otter Notetaker joins as FirstName's Notetaker (Otter.ai) and cannot join anonymously. Lindy's recorder joins visibly as a named participant. Granola listens on the device. Concrete never joins, records, or transcribes.

The quieter failure is the next call with the same client starting from zero. Last meeting's transcript is a record of that hour. The promise you typed in email later, or the open ask in Slack Connect, is not in that transcript unless you recorded it there.

Concrete is an AI employee that works in existing Slack channels. Before each Google Calendar meeting it posts a brief in Slack or Telegram: who is attending, the last emails and Slack threads with them, and what was promised to them and is still open. It does not join, record, or transcribe the meeting. It does not research attendees on LinkedIn or the web. It is in design-partner preview; the longer thesis is on the vision page. Outlook and CRM meeting prep are a different setup.

A practical setup for back-to-back calls

This is the boring version that holds when the founder or account lead still owns the check-in. Pin it before the next back-to-back block.

  • Name the leak. Notes after the call, a LinkedIn bio, and a standing brief from last emails are different. Fund notes if you want a record. Fund the brief if you walk in cold.
  • Decide if a bot may join. A visible notetaker is a notes product. If the client would get stiff, pick device audio or skip recording. Prep does not require a bot on the call.
  • Put the brief where you will see it. A 5-line brief only helps if it lands in the 10 minutes before you join. An overnight note in a notepad, an email you might miss, and a Slack ping are different delivery jobs.
  • Ask for what is still open. Who they are is research. What we agreed and what is still open is the check-in. Last emails and Slack threads beat a bio when you already know the person.
  • Keep Gmail and Slack on the same brief. The same promise is often typed in email and repeated in Slack. Two tools, two searches, and the fourth call still starts from zero. One brief that reads both is the job.

Questions people ask

Is a meeting recorder the same as a pre-meeting brief?

No. A recorder joins the call and writes notes after it. A brief lands before you join, from the calendar and the last emails with those people. Fireflies, Otter, and Read AI win notes. Granola also writes a short notepad brief. The jobs can live together. They are not the same product.

Does Granola send a standing brief from my email before every meeting?

Granola writes a short overnight brief, usually 2-3 bullets, in the meeting note. Briefs need Business or Enterprise, Google Calendar, and an external meeting. Gmail is optional. Internal meetings get no brief. It does not post the brief to Slack. The notepad is the delivery.

Does Gemini in Gmail prep me before every calendar meeting on its own?

No. Ask Gemini in Gmail is on-demand. You open the side panel and type. It can summarize a thread, find earlier emails, and answer questions about events on your primary calendar. Eligible Workspace or Google AI plans. It does not fire a standing brief before every meeting.

What should a pre-meeting brief include?

Who is coming, the last emails and Slack threads with them, what was promised and is still open, and the question to ask. LinkedIn bios and web research are a different job. A transcript of the last call is notes. The brief is a few lines you can read between back-to-back calls.

Should the prep tool join the Zoom or Meet call?

Only if you also want notes. A visible notetaker changes the call. Otter cannot join anonymously. Lindy's recorder joins as a named participant. Granola listens on the device with no bot. Concrete never joins, records, or transcribes. Pick notes for a record. Pick a brief to walk in ready.

Sources

If your team already runs its work in Slack, start with one role in one channel. Concrete is an AI teammate that works in your Slack channels and asks a person to approve before anything goes out. It is not a chatbot builder, and it never sends on its own.