Official MCP RegistryHosted servermcp.hail.so

Hail

Hail gives AI agents outbound phone calls, SMS, and email through a single remote MCP endpoint with OAuth login and zero local installation.

Connect to Claude Code

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claude mcp add --transport http hail https://mcp.hail.so

Vendor-hosted remote server: nothing to install locally. If it uses OAuth, Claude opens the vendor login on first use.

Endpoints

Published in the official MCP registry as “Hail”. Verified through the vendor namespace.