"A system or platform with knowledge of all Python packages" matching MCP connectors:

DNS and email security scanner with 80 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.

Manage Subscribers, Broadcasts, Sequences, Automations, and reporting in Mailrith.

Internet identity for AI agents: register or broker domains, email, DNS - pay by card or USDC.

Verify email deliverability & find business emails (single or bulk) via the Verifox API.

AI-powered email outreach platform — manage contacts, campaigns, sequences, and send follow-ups with deliverability tracking

AI-powered email outreach platform — send campaigns with deliverability tracking.

MCP server for Nylas — read email, calendars, events and contacts, and send email or create events.

Check email deliverability for a domain: MX, SPF, DKIM, DMARC, blacklists. Graded, no key.

PDF, photo, email, and file comparison evidence checks with plain-language reports.

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.

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.

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.