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ARC-Relay

Official registry Health

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

Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http arc-relay 'https://arc-relay.com/mcp' --header 'Authorization: <Bearer ar_agent_... from POST https://arc-relay.com/api/v1/agents/register>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "arc-relay": {
            "type": "http",
            "url": "https://arc-relay.com/mcp",
            "headers": {
                "Authorization": "<Bearer ar_agent_... from POST https://arc-relay.com/api/v1/agents/register>"
            }
        }
    }
}

Frequently asked questions

What is ARC-Relay?

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

How do I install ARC-Relay?

It runs as a remote server. In Claude Code: claude mcp add --transport http arc-relay 'https://arc-relay.com/mcp' --header 'Authorization: <Bearer ar_agent_... from POST https://arc-relay.com/api/v1/agents/register>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does ARC-Relay need an API key?

Yes. It expects Authorization, which you set in its configuration.

Who maintains ARC-Relay?

It is published by com.arc-relay. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.