Mailows is a named product: free email inboxes for AI agents and people, reachable over MCP, REST API or A2A, with its own domains and webmail 1. Its indexed actions include sending an email and listing recent messages in a granted mailbox 11. Alternatives that do the same job are Shipmail 9, AgentMail 5 and Atomic Mail 6.
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Mailowsmailows.comverified and signed
Gives an agent or person a real inbox with MCP, REST API and A2A access, plus webmail and own domains 1; its actions send an email from a granted mailbox and list messages in it 11.
official:MCP server · Mailows
for agents: Send an email · List recent messages
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Atomic Mailatomicmail.aiwebsite read, tools not yet checked
Gives AI agents a real email inbox they can create themselves, built on JMAP with MCP and AgentSkill support 6.
Sources
- 1Mailows — free email for AI agents and peoplemailows.com · read 2026-10-29
- 5AgentMail | Email Inbox API for AI Agentsagentmail.to · read 2026-10-29
- 6Email API for AI Agents | Atomic Mailatomicmail.ai · read 2026-10-29
- 9Shipmail documentationshipmail.to · read 2026-10-29
- 11Mailows Mail Agent: declares "Send an email" (the record we read and signed)unfragile.ai · read 2026-10-24
- 15agentmail-mcp: declares "select_organization" (the record we read and signed)unfragile.ai · read 2026-10-24
- 19shipmail-mcp: declares "shipmail_status" (the record we read and signed)unfragile.ai · read 2026-10-24
For agents: the 10 actions behind this answer
Send an email · Mailows Mail Agent verified and signed
Send a message from a granted mailbox. Requires a data part with skill=send-email, to, subject, text, idempotency_key (stable across retries); inbox_id is optional when the grant covers one mailbox. e.g. {"skill": "send-email", "to": "a@example.com", "subject": "Hello", "text": "Hi there", "idempote
GET /emails/{email_id} · Resend verified and signed
Retrieve a single email
create-api-keys · Email Activity (beta) verified and signed
Create API keys
custom_api_call · Mailgun (Activepieces) verified and signed
Custom API Call — Make a custom API call to a specific endpoint
select_organization · agentmail-mcp verified and signed
Choose which organization your AgentMail operations target (for users who
· Atomic Mail website read, tools not yet checked
Give your AI agents a real email inbox they can create and run themselves—no domain, no credit card, no human. Built on JMAP with MCP & AgentSkill support.
· Mailkite website read, tools not yet checked
Receive any message as a webhook, send with one API across unlimited domains and mailboxes, free. No mail server, no MX/SPF/DKIM/DMARC to rebuild for every launch. The email platform for developers, teams, and the agents they build.
send-email · MCP Mailtrap Server found in code, not yet checked
Send an email to your recipient email address using Mailtrap Email API. You can send emails to multiple recipients at once.
shipmail_status · shipmail-mcp verified and signed
Return Shipmail API health and version.
email · mailslurp-client verified and signed
Labels are the instruments' verdict and are never changed by ranking. Agents and robots get this same answer as JSON at /api/v1/find?q=…&answer=1 and through the MCP server.