"Tools for visualizing NetworkX graphs without an API key" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Never-stored live email: read, send and triage Gmail, Outlook / Microsoft 365, or any IMAP mailbox.
Email for long-term client relationships: ARVX reads each person first and remembers every pair.
Test inboxes for your app's sign-up and login emails: get the code or link, or why none came.
Serverless 15-tool B2B email deliverability, domain security, OpenAPI breaking-change release gate, LLMO /llms.txt auditor, and quantitative trading risk MCP connector.
Email validation for AI assistants: verdict, risk score, evidence. Free: 100 checks a month.
Search and triage all your mailboxes; draft replies and campaigns; send only as you allow.
Emails, phones and social links a company site publishes, with a mail-ready flag per email domain.
DMARC analytics for AI assistants: SPF/DKIM, compliance, anomalies, p=reject readiness, onboarding.
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.
Email inbox for your AI agent: its own addresses, threads, sending, replies and arriving mail.
Read, reply to and send email across every domain you connect to Mailyond, via API key over HTTP.
Business email on your own domain: mailboxes, send and read mail, drafts, aliases and DNS setup.
Free email deliverability tools: SPF, DKIM, DMARC, blacklist and header checks, cold email scoring.
Free SEO & AI-search (AEO) audits for any site or Shopify store, with emailed weekly score reports.
Domain and email trust checks for agents: DNS, SPF/DMARC, disposable email. By Crypto Money Maker
Transactional email and agent mailboxes: send, broadcasts, domains, Correio inboxes.
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 (
Teaches AI to write HTML email that renders in Outlook, Gmail, and Apple Mail. 19 rules, 6 comps.
Disposable, receive-only email inboxes for AI agents. Create an address, wait for the verification email, and get the one-time code or magic link back as structured fields. Long-polling wait_for_email with sender and subject filters, attachments, sanitised HTML, and restore for later password resets. OAuth 2.1, hosted in the EU, cannot send email.
Cold email platform that protects your domains: manage outbound campaigns, automated warmup, lead lists, and inbox replies