"NextBillion.ai" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceLink building outreach from your agent: review drafts, send the batch, answer publisher replies.
Email for long-term client relationships: ARVX reads each person first and remembers every pair.
Email inbox and verifiable ID for your agent: addresses, threads, sending and replies.
Your mailboxes in ChatGPT and Claude: Gmail, iCloud, Fastmail, any IMAP. Passwords stay yours.
Give AI agents own email inbox, SMS numbers, and workspace accounts to receive and send messages.
Search and triage all your mailboxes; draft replies and campaigns; send only as you allow.
Free email deliverability tools: SPF, DKIM, DMARC, blacklist and header checks, cold email scoring.
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.
Your AI talks to theirs: send approved briefings to another person's assistant or plain email.
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
Hosted agent inboxes: read mail, send to owner-approved recipients. Mail is server-readable.
AI growth engineer for software businesses: SEO pages, AI answers, Reddit replies, lifecycle email.
Voidly MCP: research, Atlas score, capabilities; gated Voidpay, Voidmail, Home, board and bounty.
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.
Read, search, draft, send, and organize email across Gmail, Outlook, and IMAP mailboxes. Connect over Streamable HTTP with OAuth and choose which mailboxes and permissions each agent can access.
Free hosted MCP server that connects ChatGPT and Claude (claude.ai, Claude Code) to multiple Gmail, Google Calendar, Google Drive (read-only) and Google Contacts accounts, Slack workspaces and Notion through one connection URL. Search, read and act across every connected account at once, with a memory shared across your AI assistants. OAuth sign-in. Outlook / Microsoft 365 are not supported.
Email posture for any domain: can it receive mail, can it be spoofed? MX, SPF and DMARC.
Ask a real, manually approved developer for help. Nothing is sent until you confirm by email.
Email infrastructure for AI agents: send, read replies as threads, campaigns, per-key limits.
Verify email deliverability & find business emails (single or bulk) via the Verifox API.
Email OS for agents - real-inbox search, triage, commitments, and a verifiable BEC hard-stop.
Validates email syntax and MX records. x402 payment required (Base mainnet USDC).
Warm up mailboxes, check the ready-for-outbound gate, run cold email and get checkout links.
Check an email before your AI agent sends it: allow, review or block with reasons.
Extracts emails from texts. x402 payment required (testnet USDC).
Email deliverability checks: SPF, DKIM, DMARC, BIMI, MTA-STS, blacklists, headers, spam words
Receipt ingestion, Gmail capture, expense analysis, and reviewed reports for AI-agent workflows.
Ask Universal Agents what we sell (Interplay), pricing, and FAQs; draft an intro email.
Free transactional email + SMTP relay. Agents self-signup, no API key needed to start.
