"Connecting to a vector knowledge base" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Email validation for AI assistants: verdict, risk score, evidence. Free: 100 checks a month.
Email infrastructure for AI agents. Connect your coding agent and it sets up email in your app: create templates, segments, workflows and webhooks, send test emails and read back what was delivered, track events, and create agent inboxes. Sign in with OAuth or use a Volanea API key. Test keys render and log but never deliver. 1,000 emails free every month.
Teaches AI to write HTML email that renders in Outlook, Gmail, and Apple Mail. 19 rules, 6 comps.
Cold email platform that protects your domains: manage outbound campaigns, automated warmup, lead lists, and inbox replies
Check a domain's email authentication: SPF, DKIM, DMARC, BIMI, MX, MTA-STS, TLS-RPT. Score + fixes.
Email Engagement Report turns a raw email event export into a per-recipient engagement report.
Connect inboxes to your AI, with built-in progress and optional owner-confirmed outgoing email.
MailBeast.ai is a cold email outreach platform. This server lets AI assistants create and launch campaigns with multi-step A/B sequences, manage leads and sending mailboxes (health, warmup, limits), read and answer replies from a unified inbox, and pull campaign analytics. OAuth 2.1 sign-in with read-only or read-and-write access; an API key header is also supported. Website: https://mailbeast.ai
Find and qualify B2B leads, manage outreach campaigns, and prepare replies through Funkel AI. Supports LinkedIn, X, and email workflows. Tool discovery is public. Tool calls require OAuth or a personal access token.
Hosted email MCP for your own Gmail, Outlook.com, Microsoft 365, iCloud or IMAP inbox: read, search, draft, reply in thread, forward and file mail. It moves or flags up to 500 messages in one call, and a send leaves exactly one copy in Sent. A calendar is a separate connection, and connecting one adds diary and scheduling tools.
ai-mail.sh gives your AI agent its own email address for $0.05, paid with x402 (USDC on Base), with no signup. Verification codes and links come back already extracted, and wait holds the request until mail arrives. Addresses are never reassigned: come back months later, pay again, same address. Receive-only, no tracking, and you delete it, it's gone. Works over HTTP or MCP.
Email signature management finally simple and measurable. Built for teams & AI agents. Install consistent signatures company-wide in under a day. IT sets up once. Marketing takes over. AI agents assist. No employee installation. 12% average CTR on signature banners. Conversion tracking from click to revenue.
Hosted agent inboxes: read mail, send to owner-approved recipients. Mail is server-readable.
Check a domain's DMARC, SPF and DKIM, build SPF records, explain bounces, read DMARC reports.
Feature-request board for software teams: users vote, your coding agent pulls the top request as a spec over MCP, voters get emailed when it ships.
Email security and AI discoverability scores for any domain, with the exact record or tag to fix.
Email inboxes for recurring agent work. Read, search, reply, draft and organize correspondence. OAuth or a Cherami API key authorizes private mail access; tool discovery is public. Setup: https://cherami.to/docs/mcp
Email inboxes for agents by the hour: wait for a mail, get the code or link. Pay per call.
B2B outbound sales MCP server connecting AI agents to LinkedIn outreach, cold email sequencing, and prospect intelligence. Enables ChatGPT, Claude, Cursor, and custom agents to research leads, trigger personalized campaigns, manage unified inbox replies, and track pipeline metrics through 30 native tools.
Let AI agents check whether an email is a real person's work address or a personal, disposable, relay or shared team inbox (info@, sales@, support@), and see which stack the company runs: Google Workspace or Microsoft 365 with tenant ID and identity provider. Every verdict comes with reason codes and an allow / review / block recommendation. Docs: https://isbusinessemail.com/docs/mcp