"Exploration of Free Cursor Thinking Concept" matching MCP connectors:
Matching Connector Tools:
Agent-run cold-email infra: 24 MCP tools, live sending, free sandbox. $99/mo, concierge go-live.
Free SPF, DKIM, DMARC, MX deliverability check with graded shareable reports, plus referral terms
Keyless email checks: disposable, role, and free-provider detection, MX, and typo suggestions.
Let ChatGPT, Claude & Cursor use your Mac: email, calendar, iMessage, Teams, files. Local, free.
AI agent email — 23 tools free to read inbox, 28 paid to send. $9.99/mo. Token auto-provisioned.
Test-inbox API for email and SMS: create inboxes, long-poll messages, extract OTPs and links. 34 tools; bearer auth with an mfx_ API key (free tier).
Open-source MCP server that gives AI agents access to real email and calendar in one npm install. Solves the problem of AI agents hitting a wall when they need your inbox.
Verify emails — deliverability, disposable/role/free detection, MX validity, domain age.
MCP server for e-mail testing: create disposable inboxes, wait for delivery, and extract e-mail content or links - all from your AI agent or test automation workflow. Get a free API key on https://app.zyntra.app/
Send and Receive email via your own address at your domain or unlimited free inboxes. Send Email Receive email with Agent routes or webhooks Route email to other addresses Add your custom domain (unlimited mailboxes) Add unlimited inboxes 3K emails sent per month free per domain 50K for $10/month