MCP Servers 305

Email deliverability monitoring and sending: bounces, complaints, suppression, campaigns.

Email validation for Claude and any MCP client — verdicts with evidence, bulk jobs, refunds.

Agent-native marketing email: draft, edit, screenshot, and send from your verified domain.

Search travel eSIM plans for 150+ countries and buy via Stripe link; eSIM QR delivered by email.

Read, send, organize, watch email on any IMAP mailbox: Gmail, iCloud, OVH, Zoho, Fastmail + CalDAV.

KeyID

io.github.KeyID-AI/keyid

B✓Verified

Signup sessions, browser continuity, email, SMS, and OTP/TOTP infrastructure for AI agents.

X402 Osint

io.github.JienWeng/x402-osint

C✓Verified

Pay-per-call OSINT for AI agents: username + email recon in USDC on Base via x402.

Corporate identity finder and email verification.

Postari

io.github.wilmendezofficial/postari

B✓Verified

Email marketing y transaccional AI-native: campañas, correos 1-a-1, contactos, flujos y métricas.

26 quant tools.

Findymail

io.github.pipeworx-io/findymail

B✓Verified

Findymail MCP — B2B email finder & reverse-email lookup (findymail.com)

FabTally Valid

io.github.zvmzaretsky/validation-suite

B✓Verified

Validation suite: EU VAT (VIES), IBAN mod-97, email (MX+disposable), geo place lookup, VIN decode.

Free B2B data enrichment: company lookup, email validation, email patterns, domain info.

Search companies, enrich contacts, and reveal emails and phones from your AI agent.

Free anonymous website, DNS, email and TLS checks, plus read-only access to your monitors.

Invoice Pilot

io.github.therealMrFunGuy/invoice-pilot

C✓Verified

PDF invoicing with auto-chase reminders, email delivery, and payment tracking.

Email for AI agents: send, read replies as threads, run campaigns, with per-key limits.

Agent utility belt: memory, locks, webhook inboxes, timers, DNS, email, URL, timezone, cron

Real email inboxes for AI agents: create inboxes, catch verification codes, extract OTPs, reply.

Send email, SMS & voice and manage delivery via your Pingram account.

Production backend for AI-built apps: storage, data, jobs, webhooks, email, metering and billing.

Send email with approval: hosted MCP for email, campaigns, contacts, domains.

AI-controlled email ops for campaigns, contacts, segments, analytics, and sending.

Find and verify professional emails and phone numbers via the Enrow API.