"National Rail" matching MCP connectors:
Matching Connector Tools:
Phone, SMS & email for AI agents — one remote MCP endpoint, OAuth login, zero install.
Test-inbox API for email and SMS: create inboxes, long-poll messages, extract OTPs and links. 34 tools; bearer auth with an mfx_ API key (free tier).
Phone, SMS & email for AI agents. One remote MCP server (Streamable HTTP, OAuth or API-key auth, no local install) exposing call, sms, email, and event tools; also usable via CLI, Python SDK, and OpenAPI. Self-hostable, AGPLv3.
Give an AI agent its own inbox — receive email as a webhook, send over a verified domain.
Receive inbound email as clean JSON — manage domains, routes, and webhooks. MailKite.
Send transactional email over a verified domain — templates, attachments, custom headers.
Email + calendar for any IMAP/CalDAV mailbox — OVH, Gandi, iCloud, Zoho, Fastmail and more.
Manage Scribe email signatures: templates, teammates, smart fields and campaigns, via OAuth.
Disposable email inboxes for AI agents — read messages and verification codes.
Send and Receive email via your own address at your domain or unlimited free inboxes. Send Email Receive email with Agent routes or webhooks Route email to other addresses Add your custom domain (unlimited mailboxes) Add unlimited inboxes 3K emails sent per month free per domain 50K for $10/month
Hosted email MCP for AI agents with inboxes, send/receive, memory, recovery, and credits.
Disposable inboxes for AI agents: create, wait for delivery, and extract email content or links.