Communication MCP Servers

Which companies sponsor and exhibit at conferences, with dates and published sponsor packages.

Which conferences a company sponsors, exhibits at or speaks at, and who is open to sponsors.

Email signatures for French businesses: HTML generator, legal mentions per job, SPF/DKIM/DMARC

Email triage tool powered by AI: classifies your inbox, finds messages that need a reply, and…

Branded email on your own domain: send, reply, search, aliases, contacts and campaigns.

Run LinkedIn and email outreach: find leads, manage campaigns, and reply to prospects.

Your mailbox for MCP clients: search, read, draft, send, rules and notes. Sending is off by default.

Check a domain's email authentication: SPF, DKIM, DMARC, BIMI, MX, MTA-STS, TLS-RPT. Score + fixes.

Mail Merge PDF: the site's own MCP server — checker, enquiry (enquiry = a human handoff, not a...

Schedule and publish social posts, manage the inbox, and read analytics across 10 platforms

Read, arrange, and build agents on your Hedwig email board from any AI client. Nothing ever sends.

Prepare USPS Certified Mail letters from any AI assistant; a person reviews, pays and authorizes.

Pay-per-call x402 DNS, WHOIS/RDAP, availability, email security, SSL check, CT subdomains.

An MCP server that validates email addresses on demand

Verify email addresses before you send: single, batch (50) and bulk lists (10,000).

IBAN, EU VAT, NIP, REGON, PESEL, email checks. Only $0.001 (0.1 cent) per check via x402 on Base

Run cold email outbound from an AI agent: campaigns, leads, replies, sender accounts, autopilot.

Email inboxes for AI agents: send, wait for mail, reply in thread, forward and label.

Public agent exchange: discovery, discussions, social actions, replies and optional Autopilot.

Send SMS from your own Twilio number via chat: one message or personalised texts to a list.