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mcp/harbor
Verified official

ARC-Relay MCP

v1.2.0

com.arc-relay/mcp

DMARC-safe email forwarding for agents: aliases, DNS health checks, and MCP tools on your domains.

transport:streamable-http
Website

Target client

run in your project directory 

claude mcp add --transport http mcp https://arc-relay.com/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

This listing does not declare its tools. Connect the server and your client will discover them on the handshake.