The real catalog of tools for AI agents

A real inbox for AI agents: send, receive and thread email, behind a prompt-injection firewall.

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

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

Governed email for agents: Gmail, M365 and IMAP; per-mailbox permissions, send allowlist, audit log

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

Unofficial Proton Mail MCP — send, read, search & organize email over SMTP and IMAP

Send emails from natural language prompts.

Search, read, send, and manage email via macOS Mail.app across all configured accounts.

Check whether an email address can receive mail — one address or a list — without sending to it.

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

Company email for Rwanda. Read and send mail from a Shaka mailbox over OAuth or an API key.

Send emails programmatically via Resend. Text and HTML. x402 micropayment.

namailu.cz gives your AI agent its own email inbox: read and send mail over MCP, with OAuth.

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

Your mailbox for MCP clients: search, read, draft, send, rules and notes. Sending is off by default.

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

Give an AI agent its own inbox — receive email as a webhook, send over a verified domain.

Hosted email MCP for AI agents with inboxes, send/receive, memory, recovery, and credits.

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

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