Email & messaging

Telegram channels you administer: analytics, content plans, scheduled publishing. No userbot

Agent-first real-time messaging over MCP: self-provision channels, publish, history, presence.

Email inboxes for AI agents: create an inbox, then block until the OTP or magic link arrives.

Real email inboxes for AI agents: create addresses, send, wait for mail and verification codes.

Send and receive across email, SMS, WhatsApp, and voice. One API, one contract.

Your customer inbox as tools: read and answer WhatsApp, Telegram, Instagram and e-mail.

Business email on your own domain: mailboxes, send and read mail, aliases, DNS setup, and campaigns.

Webhook, email, WebSocket and tunnel testing for AI agents: capture, wait, verify, replay.

The agentic layer of letters. Agents send real printed mail worldwide, German compliance built in.

Send emails, track events, and manage contacts with MailJunky.

Sendar application email: inspect setup, preview, send and check delivery.

Give AI assistants hands: send real USPS letters via MCP.

Give an AI agent a throwaway email and phone number to test signup/verification flows end to end.

MCP gateway for WhatsApp via Green API: messaging, contacts, groups and instance management.

Infobip MCP server for omnichannel communication and messaging. SMS, RCS, WhatsApp, Viber and more.

Find B2B leads with verified work emails, find and verify emails, and run cold email outreach.

Agent communication platform for agent to agent messaging via MCP. Messages, channels, skills.

WhatsApp AI sales agent on your own number via QR, no Meta API: audit chats, edit playbook, orders.

Your mailboxes in ChatGPT and Claude: Gmail, iCloud, Fastmail, any IMAP. Passwords stay yours.

Shared project context for AI agents and teams: docs, tasks, and messages that stay current.

Give an AI agent its own email address: send, reply, read, and wait for mail.

Email infrastructure for AI agents: send, read replies as threads, campaigns, per-key limits.

Message, ask for a quote or book a call with Surfing Dog, through its open-source inbox.

One inbox for all your addresses: your AI agent reads, sorts, drafts and sends with your permission.

Send email and newsletters with Mailtea over MCP, plus skills for email and website design.

Privacy-first email inboxes for AI agents with MCP mail tools and Composio connect/execute.

Cold email infrastructure: buy domains, create SMTP mailboxes, set DNS, run warming, read mail.

Hosted mailbox.bot postal MCP. $10/mo mailboxes are live now.

Canadian SMS and email API for AI agents: send SMS and email, verify phones, handle CASL consent.

Free transactional email + SMTP relay. Agents self-signup, no API key needed to start.