ARC-Relay MCP Server: Install & Setup

Install ARC-Relay in Claude Code

Claude Code

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

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "arc-relay": {
      "url": "https://arc-relay.com/mcp"
    }
  }
}

Frequently asked questions

What does the ARC-Relay MCP server do?

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

Is the ARC-Relay MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does ARC-Relay run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add ARC-Relay to Claude Code?

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

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