"Access Discord with ESS (possible abbreviation or software)" matching MCP connectors:

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

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

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

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

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

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

MCP server for e-mail testing: create disposable inboxes, wait for delivery, and extract e-mail content or links - all from your AI agent or test automation workflow. Get a free API key on https://app.zyntra.app/

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.

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.

Shipmail MCP server for AI agent custom-domain email inboxes with REST API and webhooks.

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

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.