Browse MCP servers

MCP Harbor, an MCP Server Registry, Directory, and Tower to Buzz.

2 matching

filtered by #messaging streamable-http clear all

Showing 1–2 of 2 servers

Agent Email List
streamable-http

com.agentemaillist/agent-email-list

Email sending and receiving for AI agents, with a Mailgun-shaped API. An agent can open a free account on its own with create_account, add and verify a sending domain, send mail with a test mode, and read inbox messages and delivery events. Authenticate later calls with the returned API key as a bearer token.

8 tools #email#messaging#deliverability#agents
InstantReply MCP Server
streamable-http

co.instantreply/mcp

AI access to InstantReply WhatsApp, Instagram, and Messenger inboxes with browser pairing.

official 12 tools 1 secrets #ai#communication#customer-support#inbox

Search this catalogue from your agent

The registry is itself an MCP server. Add it once and your agent runs these same searches, with no account and no key.

claude mcp add --transport http mcp-registry-search https://ai.mcpharbor.dev/mcp