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ARC-Relay

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com.arc-relay/mcpv1.2.0 Domain verified

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

Communication Security

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https://arc-relay.com/mcp

Authorization (required)

Bearer ar_agent_... from POST https://arc-relay.com/api/v1/agents/register

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Tool list from our last check. Connect live to refresh it.

check_dmarc Read-only

Check a domain's DMARC, SPF, and MX records. Use this to diagnose email authentication issues.

domainstring, required

Domain name to check (e.g. example.com)

Tools (6)

ARC-Relay MCP server | mcptry

Argument	Type	Description
domain*	string	Domain name to check (e.g. example.com)

Input schema (JSON)

{
  "type": "object",
  "required": [
    "domain"
  ],
  "properties": {
    "domain": {
      "type": "string",
      "description": "Domain name to check (e.g. example.com)"
    }
  }
}

check_email_health

Get a 0-100 email health score for any domain. Checks DMARC, SPF, MX, and DKIM records and returns a letter grade (A+ to F) with actionable recommendations. Use this to audit any domain's email security posture.

read-only

Argument	Type	Description
domain*	string	Domain name to score (e.g. example.com)

Input schema (JSON)

{
  "type": "object",
  "required": [
    "domain"
  ],
  "properties": {
    "domain": {
      "type": "string",
      "description": "Domain name to score (e.g. example.com)"
    }
  }
}

check_spf

Validate a domain's SPF record. Shows mechanisms, DNS lookup count, and warns if over the 10-lookup limit.

read-only

Argument	Type	Description
domain*	string	Domain name to validate (e.g. example.com)

Input schema (JSON)

{
  "type": "object",
  "required": [
    "domain"
  ],
  "properties": {
    "domain": {
      "type": "string",
      "description": "Domain name to validate (e.g. example.com)"
    }
  }
}

network_leaderboard

View top relay nodes ranked by reputation score. Filter by region.

read-only

Argument	Type	Description
limit	number	Max results (1-100, default 25)
region	string	Filter by region (e.g. us-west, eu-central)

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "number",
      "description": "Max results (1-100, default 25)"
    },
    "region": {
      "type": "string",
      "description": "Filter by region (e.g. us-west, eu-central)"
    }
  }
}