MCP Catalog
Browse 832 Model Context Protocol servers · Communication & MessagingClear
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Agent-to-agent network for teams: dm, who-knows-X routing, shared rooms. Human-in-the-loop.
E-signatures for agents: mint a sandbox key, send PDFs, track status, download the sealed result.
Email validation and SMTP verification for Claude Desktop, Cursor, and Claude Code.
Official EZTexting MCP server: SMS/MMS messaging, contacts, workflows, reports.
Send free or paid faxes to US/Canada from Claude, ChatGPT, and other AI agents.
Social media scheduler for Instagram, Facebook, YouTube, TikTok, LinkedIn, X, Bluesky, and Telegram.
Connect AI agents to Social Champ: manage channels, posts, AI content, queue, and approvals.
Give an AI agent its own inbox — receive email as a webhook, send over a verified domain.
Email for AI agents — send, receive as a webhook, manage domains, templates, routing.
Turn inbound email into a webhook — verify, parse, route, and store incoming messages.
Receive inbound email as clean JSON — manage domains, routes, and webhooks. MailKite.
Send transactional email over a verified domain — templates, attachments, custom headers.
Send email, manage domains, DNS, webhooks, templates, and inbound routing on MailKite
Agentic CRM for service businesses — bookings, customers, WhatsApp, loyalty, invoicing.
Microsoft Outlook (mail) MCP server — read, search, and send email through Microsoft Graph.
Microsoft Contacts MCP server — read and manage your address book through Microsoft Graph.
Give AI agents a phone number. Voice calls, SMS, and phone number management for MCP clients.
Proton Mail MCP via Bridge (IMAP/SMTP) · 13 tools · dual transport stdio + HTTP.
LinkedIn-native AI content creation, scheduling & analytics via MCP.
Safe Facebook Pages publishing with brand-voice, image-required & anti-duplication checks.
Push notifications for AI agents - send instant iPhone notifications from any MCP client.
PPLZ AI Agent — Let AI play your social life simulation automatically.
All-in-one MCP server: GitHub, Git, Slack, web fetch, memory, and filesystem. Agent Mode opt-in.
Send emails programmatically via Resend. Text and HTML. x402 micropayment.