Dead Simple Email

Give your agent its own email inbox.

CommunityOnlineNo sign-inGlobalFreeCan modify data

What it can do

  • Create Inbox: Create a new email inbox. Returns the inbox details including the email address. Args: display_name: Friendly name for the inbox (e.g. "Support Bot") tags: Comma-separated tags (e.g. "su
  • List Inboxes: List all email inboxes in the account. Args: limit: Maximum number of inboxes to return (default 20)
  • Delete Inbox: Delete an inbox and all its messages. Args: inbox_id: The inbox ID to delete

What data it sees

Do you need an account

No: the server works without sign-in

Give your agent its own email inbox. Create inboxes on demand, send and receive real email, reply on-thread, and pull one-time signup codes and magic links straight out of inbound mail — so an agent can sign itself up for a service or clear 2FA without ever parsing an email body. Real delivery infrastructure behind it: DKIM-signed sending, bounce and complaint handling, suppression lists, and HMAC-signed webhooks. Get a key with no signup form: POST https://api.deadsimple.email/v1/auth/agent-signup

How to connect

How to connect Dead Simple Email to Claude

The server address to paste into Claude settings:

https://dead-simple-email--deadsimple.run.tools

  1. Open Claude (claude.ai or the desktop app).
  2. Go to Settings → Connectors.
  3. Click Add custom connector.
  4. Paste the server address copied below into Remote MCP server URL and click Add.
  5. In a chat, click + → Connectors and switch the new connector on.

Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

Authorization

After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

How to connect Dead Simple Email to ChatGPT

The server address to paste into ChatGPT settings:

https://dead-simple-email--deadsimple.run.tools

  1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
  2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
  3. Open Settings → Connectors and click Create.
  4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
  5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
  6. In a new chat open + → Apps/Connectors and enable the connector.

OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

Authorization

On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

How to connect Dead Simple Email to Cursor

The server address to paste into Cursor settings:

https://dead-simple-email--deadsimple.run.tools

Fastest: click Open in Cursor below and confirm the prompt.

Manually:

  1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
  2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
  3. Save the file. The server appears in the MCP list; authorize it there if asked.

Authorization

If the service needs sign-in, an authorize button appears next to the server in the MCP list.

Server tool list (14)

Raw names from tools/list. Only developers need these.

create_inboxCreate a new email inbox. Returns the inbox details including the email address. Args: display_name: Friendly name for the inbox (e.g. "Support Bot") tags: Comma-separated tags (e.g. "support,production")
list_inboxesList all email inboxes in the account. Args: limit: Maximum number of inboxes to return (default 20)
delete_inboxDelete an inbox and all its messages. Args: inbox_id: The inbox ID to delete
send_emailSend an email from an inbox. Args: inbox_id: The inbox to send from to: Recipient email address (comma-separated for multiple) subject: Email subject line body: Email body (plain text) cc: CC recipients (comma-separated, optional) bcc: BCC recipients (comma-separated, optional)
read_messagesRead recent messages in an inbox. Args: inbox_id: The inbox to read from limit: Maximum number of messages to return (default 10)
read_messageRead a single message with full body content. Args: inbox_id: The inbox containing the message message_id: The message ID to read
reply_to_messageReply to a message. Threading headers are set automatically. Args: inbox_id: The inbox containing the message message_id: The message ID to reply to body: Reply body (plain text)
forward_messageForward a message to new recipients. Args: inbox_id: The inbox containing the message message_id: The message ID to forward to: Recipient email address (comma-separated for multiple) body: Optional additional text to include
wait_for_emailBlock until a NEW inbound email arrives in the inbox, then return it. Use for signup/verification flows: trigger the action that sends the email, then call this to receive it. Only emails arriving after this call count. Args: inbox_id: The inbox to watch from_contains: Only match senders containing this text (optional) subject_contains: Only match subjects containing this text (optional) timeout_seconds: Max seconds to wait (default 60)
get_verification_codeWait for a verification/OTP email and return the extracted code. Waits for the next new inbound email, then returns the auto-extracted verification code (and any magic link). Perfect for autonomous sign-ups. Args: inbox_id: The inbox to watch from_contains: Only match senders containing this text (optional) timeout_seconds: Max seconds to wait (default 60)
get_verification_linkWait for an email and return the extracted magic link / verification URL. Args: inbox_id: The inbox to watch from_contains: Only match senders containing this text (optional) timeout_seconds: Max seconds to wait (default 60)
list_threadsList conversation threads in an inbox. Args: inbox_id: The inbox to list threads for limit: Maximum number of threads to return (default 10)
read_threadRead all messages in a conversation thread. Args: inbox_id: The inbox containing the thread thread_id: The thread ID to read
get_usageGet account usage metrics: inboxes, emails sent/received, plan limits.