Skip to content
underlayer

Agent access, exactly how you want it.

Choose which emails your AI agent can read, who it can contact, and which actions it can take.

You set the permissions. Underlayer enforces them on every request.

Start with ChatGPT + Gmail. More connections on the way.

By continuing, you agree to our Terms and acknowledge our Privacy policy.

“Draft a reply,
 but PLEASE DON’T SEND IT.”
underlayer
ChatGPTGmail
Create draftsAllowed
Send emailBlocked

Your permissions apply to every request.

Underlayer blocks actions you haven’t allowed.

Control what it sees

Choose which emails your agent can read.

Choose the Gmail labels your agent can access. For example, allow emails labeled “Work” and exclude those labeled “Personal.”

You can limit access by sender, too.

Your inboxExample

Agent access Work only

Alex Lee

Project launch plan

Here’s the latest timeline for our launch…
Accessible
Sam Miller

Design feedback

A few notes on the project mockups…
Accessible
Personal

Content kept outside agent access

Excluded by your label rule
Blocked
Illustrative inbox with access limited by label.

Control who it contacts

Choose who your agent can email.

Allow sending only to the addresses you select. Underlayer blocks sending if any recipient in To, Cc, or Bcc isn’t allowed.

Prefer drafts? Keep sending switched off.

New messageExample
ToAlex <alex@example.com>
Ccother@example.com

Project update

Hi Alex,

Here’s a summary of the latest project emails…

Sending blocked: Cc recipient isn’t allowed.

Illustrative message with sending limited to Alex.

Your rules are checked on every request. Change or revoke access anytime.

Get started in three steps.

  1. Connect Gmail.

    Connect the Gmail account you want your agent to use.

  2. Connect your agent.

    Add your agent and connect it to Underlayer. Start with ChatGPT.

  3. Choose permissions.

    All actions start off. Choose what your agent can read and do.

YOUR APPS AND AGENTS

One place to manage
all your agents' permissions.

We’re starting with ChatGPT and Gmail.

AI agents

ChatGPTBeta
ClaudeComing soon
GrokComing soon

Connected apps

GmailBeta
Google DriveComing soon
Google CalendarComing soon
NotionComing soon
OutlookComing soon
GitHubComing soon

Start with ChatGPT and Gmail.

Manage permissions from your browser.

Get started