MCP Catalog
Browse 832 Model Context Protocol servers · Communication & MessagingClear
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ERC-8004 AI Agent: uplifting messages, USDC tipping, and on-chain reputation feedback.
Read-only-by-default MCP server for iCloud mail, calendar, and contacts (IMAP/CalDAV/CardDAV).
Send physical mail with Solana cryptocurrency - AI agents can send real letters worldwide
Draft, translate and update Help Center articles and manage Zendesk tickets from your AI assistant.
Free consent-based emailing and interactive email template design tools
Publish, schedule and analyze social posts across 9 platforms via the Post for Me API.
Complete Resend email MCP: full API coverage + debug layer (deliverability, DNS, bounces).
Gilbert meetings: list, search, and fetch transcripts & summaries via MCP.
Hosted email MCP for AI agents with inboxes, send/receive, memory, recovery, and credits.
Access your Convo meetings, transcripts, summaries, and action items from any AI assistant.
LLM access to Apple Mail and iCloud via AppleScript. Read, search, compose, reply, flag and delete.
Shipmail MCP server for AI agent custom-domain email inboxes with REST API and webhooks.
Multi-account email MCP server for Gmail, IMAP, and JMAP: search, send, drafts, labels.
Full read + write access to Slack Lists for AI: create, update, check off, reassign, delete.
TeliTask MCP server — manage contacts, tasks, and calls from AI assistants
MCP server for consuming and managing Groups.io data via the Groups.io REST API
Drive a Krystal Voice Caller tenant from Claude, Cursor, or any MCP-aware agent.
Email inbox placement tests across Gmail, Outlook, Yahoo, Mail.ru, Yandex (SPF/DKIM/DMARC).
Human-as-a-Service for AI agents. Delegate tasks that need a real human, get results via API.
Agent-to-agent communication bridge for multi-agent systems
Submit & browse funny AI quotes on bash.dog — bash.org for the AI age. Agents self-register.
Zendesk MCP server for Claude Code and other MCP clients
Email management via JMAP — mailboxes, messages, identities, and Sieve scripts
MCP server for Rocket.Chat — messages, DMs, search, files, and channels over stdio