"Testing subscribe functionality on a Python server" matching MCP connectors:
Matching Connector Tools:
Manage lists, contacts and campaigns, and read campaign performance reports on EmailOctopus.
Email verification for AI agents — verify, clean & validate emails; self-onboard + crypto pay
Cameron Rye's blog, projects, resume, and live site stats, plus contact and newsletter tools.
Check email deliverability for a domain: MX, SPF, DKIM, DMARC, blacklists. Graded, no key.
Email OS for agents - real-inbox search, triage, commitments, and a verifiable BEC hard-stop.
Email marketing y transaccional AI-native: campañas, correos 1-a-1, contactos, flujos y métricas.
Scan and fix a domain's email deliverability (SPF, DKIM, DMARC, MTA-STS, BIMI, DNS blocklists).
AI-powered virtual assistant that connects to Gmail, Outlook, Slack, Salesforce, HubSpot, Google Calendar, DocuSign, QuickBooks, and 20+ other services. Manage your entire professional life through a single Claude conversation — email, calendar, CRM, documents, travel, expenses, and more.
Shipmail MCP server for AI agent custom-domain email inboxes with REST API and webhooks.
Your unified inbox — everything that reaches you, understood and actionable from your AI assistant.
Microsoft Exchange MCP server - hosted, multi-user, incl. Exchange on-prem & hybrid (EWS)
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.
Open-source MCP server that gives AI agents access to real email and calendar in one npm install. Solves the problem of AI agents hitting a wall when they need your inbox.
Apollo connects your sales data and outreach tools directly to your agent . Ask it to find leads, look up a company, write and send emails, or check how a campaign is performing. All from a conversation, without opening another tab.
Your AI agent just got a marketing team. SendPulse MCP Server provides full access to the SendPulse marketing platform — email campaigns, CRM, chatbots, SMTP, and online courses. 134 methods across 5 modules.
Heldly reads your Google Calendar directly, places tentative holds on every host's calendar, and emails the invitee a one-click picker. The moment the invitee picks, Heldly confirms the chosen slot and deletes the siblings across every host's calendar in the same request. No reusable booking page, no in-app form, no calendar cleanup.
Programmatic email deliverability testing for AI agents. Create inbox placement tests across Gmail, Outlook, Yahoo, Mail.ru, Yandex — get per-provider placement (Inbox/Spam/Promotions), SPF/DKIM/DMARC auth, Rspamd & SpamAssassin verdicts, DNS health, and live SSE results.
MCP server for Nylas — read email, calendars, events and contacts, and send email or create events.
Authenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified.