The real catalog of tools for AI agents

Send notifications, manage templates, and configure integrations with Courier.

Send email, manage contacts, campaigns and workflows, and diagnose deliverability in Sendly.

Send transactional email over a verified domain — templates, attachments, custom headers.

Read, search, compose, and send emails via Apple Mail on macOS.

Letterkeel: send email from your own domain via SMTP, Resend, SendGrid, Mailgun, Postmark

Send emails from natural language prompts.

Letterkeel: send email from your own domain via SMTP, Resend, SendGrid, Mailgun, Postmark

Search connected email, read and manage messages, draft and send, and manage rules for new mail.

Your agent's own email address: read, search, send, reply, draft and wait for mail.

Email and SMS MCP server for AI agents — 41 tools for inboxes, sending, search, and SMS.

Email inboxes for AI agents: send, reply, read verification codes, human-approved drafts.

Real email for AI agents: domains, mailboxes, a unified inbox, wait-for-code, send and reply.

Read, search, organize, draft and send business email from your SuperMailOS mailboxes.

Send WhatsApp, SMS, email or voice to a business with the compliance gate enforced.

Still work in progress

Email for AI agents: send, receive with a safety verdict, reply and approve, as MCP tools.

Local email connectivity for AI agents — read, draft, send, and organize Outlook mail via MCP

Email for AI agents: send mail, manage contacts, automations & webhooks. Zero-DNS first send.

send-that-email MCP — wraps StupidAPIs, keyless: analyze whether you should send that email…

Read, send, organize, watch email on any IMAP mailbox: Gmail, iCloud, OVH, Zoho, Fastmail + CalDAV.