MCP Catalog
Browse 832 Model Context Protocol servers · Communication & MessagingClear
+9 more
Search, read, send, and manage email via macOS Mail.app across all configured accounts.
Submit a dilemma for blind community verdict with reasoning to improve low confidence
Read/write X (Twitter) via twitterapi.io: mentions, thread context, create and delete tweets.
Smart Distribute: one prompt → the best native post per platform, then publish via MCP.
Security gate for agent-driven WhatsApp: allowlist, secret scan, rate limit, audit log.
Bluesky MCP — wraps the AT Protocol API
could-have-been-email MCP — wraps StupidAPIs (requires X-API-Key)
Freshdesk MCP Pack — helpdesk ticket and contact management via Freshdesk API v2.
Gmail MCP Pack
Gong MCP — wraps the Gong API v2 (OAuth)
Intercom MCP Pack — contacts, conversations, companies via OAuth.
Klaviyo MCP Pack — wraps the Klaviyo API for email marketing
LeadConnector / GoHighLevel MCP Pack — wraps the GoHighLevel CRM for AI agents.
Lemmy federated link-aggregator public reads (any instance)
Mailchimp MCP Pack — manage audiences, campaigns, and members via Mailchimp Marketing API.
Mastodon MCP — public Mastodon data via mastodon.social (no auth required)
Phonetic & Morse code MCP.
Outlook Calendar MCP Pack
Outlook Contacts (Microsoft 365) MCP Pack
Outlook Mail (Microsoft 365) MCP Pack
Postmark MCP.
Postscript MCP Pack — SMS marketing for Shopify.
send-that-email MCP — wraps StupidAPIs (requires X-API-Key)
Slack MCP Pack