"Exploring Sentiment Analysis with Google NLP" matching MCP connectors:

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

Email compatibility analysis across 15 clients — preview, audit, fix, diff, deliverability.

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

Hosted email for AI agents: create inboxes, send, receive, and reply over MCP with scoped API keys

Manage Microsoft 365 email, calendar, contacts and inbox rules via the Graph API with OAuth 2.0.

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.

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).

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.

Email validation for Claude and any MCP client — verdicts with evidence, bulk jobs, refunds.

Create, edit, and delete email aliases and manage encrypted file shares directly from your chat. Protect your online privacy with anon.li - Privacy by default. Not by request.

Shared inbox and customer support platform for teams. Manage email conversations, assignments, labels, internal notes, contacts, and replies. 29 tools. Connect with your Helpmonks access token.

AI email inbox and sending tools with attachments, search, live events, and webhooks.

InboxPolicy is an MCP email-verification server for agents. Get an actionable verdict: send, send_with_caution, review, retry_later, or avoid, with confidence and SMTP evidence, plus tools for detailed verification, asynchronous batches, and usage tracking

Stateful email for AI agents — read inboxes, reply in-thread, draft with approval.

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

Send-decision email verification: agents get send/review/avoid with evidence, pay-per-call via x402.

Empower AI agents with SendPulse email, CRM, chatbot, SMTP, and course automation

Remote MCP server bridging AI clients with the PowerDMARC email authentication Platform.

Give your agent its own email address with graduated human oversight, from approval to autonomy.

Run personalised outreach campaigns and manage conversations using a virtual computer equipped with email capabilities, research tools, and workflow automation. Email Outreach by OpenHelm enables your agent to carry out work such as: • Prospect research • Personalised outbound email campaigns • Lead qualification • Follow-up sequences • Inbox monitoring and response handling