ARC-Relay for Windsurf

com.arc-relay/mcp

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

client:Windsurf transport:streamable-http

Install ARC-Relay in Windsurf

~/.codeium/windsurf/mcp_config.json · windows: %USERPROFILE%\.codeium\windsurf\mcp_config.json

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

Global only — Windsurf has no per-project MCP config. Refresh Cascade after saving. Windsurf docs