OPENAI DOTS

Give your dot
a real inbox.

Connect Mermail through ChatGPT Apps for email and payments your dot can use with your permission.

Why Dot

Built for the agent you already use.

Give your dot a dedicated address for customer replies, support requests, signups, and receipts. Keep email and controlled payments together while you decide what it can do.

A dedicated inbox for your dot’s work

OAuth connection to your Mermail workspace

Email and payment tools in one place

You control app access and action permissions

Before you start

Check 3 things.

Your dot is available in your ChatGPT account or workspace.

Your ChatGPT workspace allows custom MCP apps.

You can sign in to the intended Mermail workspace.

About OpenAI dots

Success contract

Done when all 3 pass.

Mermail is connected in ChatGPT Apps.

Your dot can access Mermail tools.

list_mailboxes succeeds from your dot’s conversation.

Three steps to connect.

Copy the Mermail MCP URL

Use Streamable HTTP and OAuth. Add no headers.

MCP endpoint

https://console.mermail.app/mcp

Connect Mermail in ChatGPT Apps

Where custom apps are enabled, create an app with this URL, choose OAuth, and authorize Mermail.

Open ChatGPT Apps

Give your dot access, then verify

Check Mermail’s app permissions, open your dot, and run this read-only check.

Verify

Ask: "List my Mermail mailboxes" (tool: list_mailboxes)

Do I need a Mermail API key?

No. Connect through OAuth in ChatGPT Apps and add no custom headers.

What if dots or custom apps are unavailable?

Availability depends on your account and workspace. Check OpenAI’s rollout and ask your admin about app access.

Can my dot send email or make payments on its own?

Actions follow your instructions, app permissions, and approval rules. Connecting Mermail is not blanket permission.

Does my dot need access to my personal inbox?

No. Use a dedicated Mermail mailbox for its work and share only the email context it needs.

See all integrations

Integration index

Claude Code

Connect OAuth and install 15 skills for inbox, verification, and x402 workflows.

ChatGPT

Add Mermail as a custom OAuth app in an eligible ChatGPT workspace.

Codex

Connect OAuth and install 15 skills for inbox and x402 workflows.

Cursor

Add the hosted MCP server with OAuth—no API key required.

Grok

Connect Mermail to Grok web chat and Grok Bot with OAuth, PayBox, and inline MCP Apps.

OpenClaw

Connect with OAuth, then verify Mermail with a live probe.

Hermes

Add Mermail to Hermes with Streamable HTTP OAuth.

Muse