"Using npx to run tools directly without requiring an API" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Ground Truth & Real-World Services. i.e. validate emails (server handshake, quality score, etc.), domains (history, quality, score.), geo poi searches, ip risk, etc.
Never-stored live email: read, send and triage Gmail, Outlook / Microsoft 365, or any IMAP mailbox.
Email and meetings for AI agents you can trust: checked mail, held sends, Meet calls you approve.
Email and meetings for AI agents you can trust: checked mail, held sends, Meet calls you approve.
Read the verification code (OTP) and test emails your app sends to a catch-all test hostname. Four read-only tools: list_domains, get_latest_otp, list_messages, get_message. Needs a MailBots API key from the 14-day free trial (no card, no DNS) or a paid plan. Setup: https://mailbots.top/docs/mcp
Test inboxes for your app's sign-up and login emails: get the code or link, or why none came.
Email address checks, URL uptime pings and web page to markdown for agents, pay per call
Bring Gmail, Outlook, iCloud Mail, Yahoo Mail, Fastmail and other IMAP mailboxes together. Search connected email, including semantic search; cached or indexed results may be incomplete or stale. Read messages and attachments, create drafts, send or reply when requested, and manage rules for new mail. Separate permissions control reading, attachments, drafts, sending and mailbox changes.
Read, search, star and organize your RSS feeds, newsletters and saved articles.
One MCP connector with one shared Memory for all your AI assistants (encrypted at rest, on by default, managed in the Fezola app), plus every account you own: Gmail, Outlook.com, iCloud and any IMAP mailbox, Google Chat, Telegram (read-only), Google Calendar (read and write), Notion, and three ad platforms: Google Ads, Microsoft Advertising and OpenAI Ads. Several accounts per tool, one connector for Claude and ChatGPT, nothing to install. Email is saved as drafts by default; ad changes are checked first where supported and new campaigns start paused.
Email and SMS marketing from your AI assistant: contacts, campaigns, stats, sends with approval.
Email and SMS infrastructure, run by your agent: send, campaigns, contacts, domains, webhooks.
Find buyers, run LinkedIn, email and X outreach, and answer replies from your AI.
Transactional email and agent mailboxes: send, broadcasts, domains, Correio inboxes.
Verify emails and use FairMatch to search, quote and unlock verified work-email leads.
Give your AI assistant its own private email. Create mailboxes in seconds, send and schedule messages, and let the agent wait for incoming emails to pick up verification codes and confirmation links — without exposing your personal address. Works with Claude, ChatGPT, Cursor and VS Code: just sign in with your GhosterMail account. Requires GhosterMail Full Access.
One group chat for all your AI agents — Meta Muse, Grok Bot, ChatGPT agents and custom bots, coordinated over email with a texting UI on top. Its MCP server lets an MCP client read and reply to AgentMsgr chats.
Form backend for static sites: create a form and get its HTML snippet, send submissions to email, Discord, Slack or a webhook, then read, moderate and clean up spam. Sign in with OAuth, no API key. MCP works on every plan, including Free.
Find B2B customers for a product: score matching companies, draft emails, listen on Reddit.
Gmail, iCloud, Outlook, Yahoo, Fastmail and IMAP email: search, read, draft and organize.
Email marketing: campaigns, audiences, contacts, segments, templates and reports.
Quiz funnels: stats, drop-offs, leads by result, CRM tags, follow-up emails and quiz drafts.
Remote MCP server for LinkedCamp. Run LinkedIn and email outreach from ChatGPT, Claude or Cursor: campaigns, unified inbox, leads and analytics in 133 tools.
Dialer, texting and email CRM for sales teams. The connector lets an AI app search leads, read their calls, texts and emails, add notes and tasks, and draft or send follow-ups, with a confirmation before anything is sent.
Send email, manage contacts, campaigns and workflows, and diagnose deliverability in Sendly.
Teaches AI to write HTML email that renders in Outlook, Gmail, and Apple Mail. 21 rules, 6 comps.
Run your Sellfy store from your AI assistant: products, discounts, orders, sales and email drafts.
Disposable email for AI agents: instant inboxes, verification-code and structured-intent extraction (OTP, magic link, billing, security alerts), including codes hidden in .txt and PDF attachments. Task-scoped inboxes with long-poll wait, scoped sub-tokens bound to named agent identities, and one-call self-serve onboarding for new agents.
Free email checks: 24 blacklists, spoofing grade, redirects, spam test, WHOIS, BIMI, AI readiness.
Connect any IMAP/SMTP mailbox to Claude & ChatGPT: search, read, sort, draft. Sends only with OK.
Graded pattern-file transfer to LA factories, with factory sign-off checks; terms by email
Search 1.8M+ YouTube, TikTok and Instagram creators with emails and run outreach from your AI agent.
Connect AI agents to Emitd email sending, message tracking, templates, and automations. Emitd hosts a Model Context Protocol server for integrating supported email operations into AI-agent workflows. Connect a compatible client to the hosted endpoint (https://mcp.emitd.com/mcp) and authenticate with an Emitd API key. Available tools depend on the key's permissions and enabled features. Emitd's capability areas include sending email, message activity, templates, contacts, audiences, segments, domains, analytics, inbound email, broadcasts, automations, webhooks, and suppressions. Use restricted keys, sending guardrails, and approval settings appropriate to each workflow. For more information check https://emitd.com
Manage automated webinars, schedules, registrations and behaviour-triggered email automations.
Read, reply to and send email across every domain you connect to Mailyond, via API key over HTTP.
AI-native email for businesses, developers, and AI agents.
Extract structured data from invoices, receipts, PDFs, scans, photos and emails. Create an inbox for a document type, define the fields and tables to extract (or propose a schema from a sample document), upload a document and get typed JSON back, review past documents, and add an optional Python post-processing step that is tested on a real document before it is enabled. 17 tools. Sign in with OAuth by pasting your Airparser API key (Account page of the Airparser app); the client only sees that account's inboxes and documents.
The judgment layer for email. Connect Gmail, Outlook, iCloud, Yahoo and IMAP to AI apps in one MCP connection. Nothing sends until you approve it.
Activation and onboarding emails for software products, sent through your own email provider.
Serverless 15-tool B2B email deliverability, domain security, OpenAPI breaking-change release gate, LLMO /llms.txt auditor, and quantitative trading risk MCP connector.