Communication MCP Servers

Gmail Postmaster Tools v2 — domains, traffic metrics, and compliance via your own Google OAuth.

Auto-detects and obfuscates PII (IPs, emails, API keys, names) so Claude never sees real client data

74 paid web-analysis APIs (SEO, security, TLS, DNS, email) as MCP tools. USDC via x402.

DNS and email security scanner with 80 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.

Multi-account email MCP server for Gmail, IMAP, and JMAP: search, send, drafts, labels.

Email compatibility analysis across 15 clients — preview, audit, fix, diff, deliverability.

Search your Google, Telegram, Spotify and Instagram exports locally. Fully offline.

Convert .eml email exports to Markdown with YAML front matter

Human-in-the-loop for AI coding agents — ask questions, get approvals via Slack.

Telegram MCP server: read, send, and search messages and manage chats via your account.

Agent infra: email, phone, social, domains, VPS, wallets. Paid per-action via x402, no API key.

Audit whether ChatGPT, Gemini and Perplexity recommend a site. Readiness checks need no keys.

MCP server for Telegram Archive — search messages, browse chats, and access history

Hosted MCP server connecting claude.ai, ChatGPT and other AI apps to your own computer

Local-first, read-only MCP server for recall over your Gmail: search, contacts, threads, digests.

Read, search, send, organize, draft and schedule email across your inboxes from any MCP client.

Free business data for AI agents. 11M+ businesses, 227 countries, phone/email/hours.

Zoom Chat server for channels, messages, contacts, files, and chat collaboration.

MCP server for the Mailtrap email platform — analytics, sending, contacts, sandbox

Manage WhatsApp Business templates and send messages via Meta Cloud API

Full CRUD MCP server for FactorialHR: employees, teams, time off, projects, ATS, payroll.

Give AI agents a real email address, vault, calendar, and task delegation via MCP.

Unofficial Proton Mail MCP — send, read, search & organize email over SMTP and IMAP

Save chat notes from Claude Desktop to your vault — MCP on Obsidian CLI. Keep what matters.