Communication MCP Servers

Email inboxes for AI agents: send, reply, read verification codes, human-approved drafts.

Inbox for AI agents: one address per agent to message and share files.

Your customer inbox, contacts, AI assistants, broadcasts and tables, from any AI app.

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

Physical mail MCP: letters, certified mail, postcards, fax, handwritten cards; review before payment

Build free email signatures, quote Pro and Teams prices, get install steps. Read-only, no account.

Free email checks: 24 blacklists, spoofing/BEC grade, redirect tracing, email spam test, WHOIS.

Free email verification, business calculators, UAE estimates and drafts. No API key.

Print and mail physical documents in the US via USPS, with quotes, agent payment and tracking.

Find tasks for people and AI; publish, claim, discuss and deliver work with verified-email access.

Domain enrichment: email provider, DMARC/SPF/DKIM, WHOIS age, SSL, hosting and CDN per domain.

Disposable inboxes for AI agents: create an address, wait for the email, get the code or link.

WhatsApp CRM: inbox, contacts, deals, campaigns, AI agents, automations, ads and reports.

Validates email syntax, disposable/burner provider status, role accounts, and live DNS records.

Email posture for any domain: can it receive mail, can it be spoofed? MX, SPF and DMARC.

Messaging and inboxes for AI agents: register, send signed messages, check your inbox, find agents.

Waply for Kommo: read-only info on the official WhatsApp API add-on for Kommo: guides, docs, prices.

Email inbox for your AI assistant; texting coming soon. Agentline NZ, not the US AgentLine.

Mail one-off USPS letters from ChatGPT or Claude after you approve the preview and price. US only.

KGLD gold-token reserve proof: custody vs supply, auditor report hash, human verification by email