"An overview or explanation of 思维链 (Chain of Thought)" matching MCP connectors:

Give an agent its own inbox: send, receive, and pull signup codes from real email.

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.

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

Track AWS SES bounces, complaints, and delivery stats from your coding agent. Requires a Sessy API key from https://app.sessy.do/api_keys. Does not send email or change SES settings.

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.

Give an AI agent its own inbox — receive email as a webhook, send over a verified domain.

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

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/

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

First-party MCP server for Fastmail, including email, contacts, and calendars. See: https://www.fastmail.com/blog/an-mcp-server-for-fastmail/

Let your AI agent notify you by email, Slack, Discord, or webhook. One tool: send_notification.

Disposable inboxes for AI agents: create, wait for delivery, and extract email content or links.