MCP server

Machine Inbox Official

com.machineinbox/machine-inbox

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Task-scoped email inboxes for AI agents: read mail, extract verification codes, and reply.

Website

At a glance

Type

MCP server

Publisher

machineinbox.com (verified by the MCP Registry)

Status

Working at last check

Tools

11

Token cost

About 1,646 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http machine-inbox https://machineinbox.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.machine-inbox]
url = "https://machineinbox.com/mcp"

Gemini CLI

{"mcpServers":{"machine-inbox":{"httpUrl":"https://machineinbox.com/mcp"}}}

Cursor

{"mcpServers":{"machine-inbox":{"url":"https://machineinbox.com/mcp"}}}

VS Code

{"servers":{"machine-inbox":{"type":"http","url":"https://machineinbox.com/mcp"}}}

Antigravity

agy mcp add machine-inbox https://machineinbox.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"machine-inbox","server_url":"https://machineinbox.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"machine-inbox","server_url":"https://machineinbox.com/mcp"}

Tools

• create_inbox ~141 tokens
  Request a new paid inbox. Buying requires an out-of-band payment (Stripe MPP or x402 USDC on Base); this tool returns the live HTTP 402 payment challenge plus exact instructions to complete the purchase. Standard inbox: $2.00.
• delete_inbox Deletes data · ~126 tokens
  Delete an inbox: revokes the token and erases stored mail.
• delete_webhook Deletes data · ~117 tokens
  Remove the inbox webhook.
• get_inbox ~125 tokens
  Read an inbox: address, status, expiry, limits, and usage.
• get_message ~142 tokens
  Fetch one message with parsed text, HTML, and attachment download URLs.
• get_service_info ~61 tokens
  Read the Machine Inbox service instructions: pricing, payment rails, endpoints, and limits.
• get_verification_code ~176 tokens
  Extract the newest one-time verification code or confirmation link from inbound mail. Ideal for signup and login flows.
• get_webhook ~145 tokens
  Read the inbox webhook state: URL, delivery counters, and whether it is disabled. The secret is only returned by set_webhook.
• list_messages ~205 tokens
  List messages in an inbox, newest first. Pass after=<newest createdAt seen> to poll for only new mail.
• reply_to_message Sends messages · ~215 tokens
  Send an included plain-text reply to the authenticated sender of an inbound message.
• set_webhook ~193 tokens
  Register or replace the inbox webhook: an HMAC-signed POST fires on every inbound message with metadata, extracted verification codes, and injection risk (never the body). Returns the signing secret.

Browse

• Stripe tools
• Email
• Payments

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