"Free Network Graph Visualization Tools (No Account Required)" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
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
7 outreach, sequencing, call-coaching and CRM-hygiene skill products. 6 of 8 free.
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.
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.
Read-only sizing and pricing for cold email inboxes: how many, which provider, what it costs.
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.
Remote MCP server for LinkedCamp. Run LinkedIn and email outreach from ChatGPT, Claude or Cursor: campaigns, unified inbox, leads and analytics in 133 tools.
Check results, update contacts and draft campaigns in your EmailFig account.
Free email checks: 24 blacklists, spoofing grade, redirects, spam test, WHOIS, BIMI, AI readiness.
Email for AI agents: inbox in one call, no signup; codes, links, reply, send; own domains.
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
Email validation for AI assistants: verdict, risk score, evidence. Free: 100 checks a month.
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.
Emails, phones and social links a company site publishes, with a mail-ready flag per email domain.
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.
Verify email addresses before you send: honest verdicts, no address kept, EU-hosted.
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.
Run recruiting from your AI assistant: browse open jobs and pipelines, review AI candidate scores and score breakdowns, search interview transcripts, check hiring metrics and stage timing, and act on candidates (move stage, reject, email) in Selenios, the AI recruiting platform for LatAm. Secure OAuth sign-in with your Selenios account.
See how often any e-commerce brand sends marketing emails: counts, send dates and recent subject lines for 750+ brands, mostly in the Nordics and Germany. Read-only, no login.
AI outreach + email sending connected to your CRM. Requires a paid Sendblox account.
Email header analyzer: SPF/DKIM/DMARC/ARC verdicts, domain alignment, hop delays. No lookups.
Every email and calendar account you connect, for AI agents, with permissions and approvals.
Free SEO & AI-search (AEO) audits for any site or Shopify store, with emailed weekly score reports.
Email Engagement Report turns a raw email event export into a per-recipient engagement report.
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 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.
Mighty Automation is a marketing automation platform with built-in CRM. This MCP connector lets AI clients run email marketing, enroll contacts in automations, create and update contacts, search leads, add tags and notes, list appointments, create booking links, import files, and manage webhooks. Everything is scoped to one workspace with a revocable key. Read tools are free; actions are $0.005 per successful call (import_file $0.025). Paid Mighty Automation plan required. Auth: Bearer API key (
Official remote MCP server of MailSenpai, the EU-hosted email marketing platform. Connect Claude, ChatGPT, Cursor or another MCP client with OAuth 2.1 and PKCE. 74 tools manage lists, subscribers, segments, templates, draft campaigns and stats, and check email DNS, blacklists and spam. Sends and deletions require explicit confirmation; every call is logged. The same team also offers SMTP Senpai, an SMTP relay and email API for transactional sending: https://en.mailsenpai.com/smtp-senpai/.
Hosted Mailchimp MCP server for Claude, ChatGPT and Cursor, with each action switched per account.
Hosted Klaviyo MCP server for Claude, ChatGPT and Cursor, with each action switched per account.
AI tools for Mailercloud email marketing: campaigns, contacts, templates, sending & analytics.
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.
Email API + newsletters. 17 MCP tools. OAuth 2.1 PKCE or API key. EU-hosted (Hetzner + SES).
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.
Connect AI assistants to Mailercloud, the email marketing platform. Tools to manage campaigns, contacts, lists, templates, automations, webhooks, senders, and transactional email — plus AI-powered campaign analysis, deliverability audits, and engagement insights.
LinkedIn warm-lead discovery: list leads, find emails, and draft outreach from your AI tools.
Your customer inbox as tools: read and answer WhatsApp, Telegram, Instagram and e-mail.
DKIM signature checks with DMARC alignment, email header analysis and payment-fraud checks.
Keyless email checks: disposable, role, and free-provider detection, MX, and typo suggestions.
Check if a signup email is disposable, free, an alias, testing, parked or unknown, with evidence.
