{
  "id": "lookup.email",
  "object": "tool",
  "name": "Check email address",
  "summary": "Syntax, MX, disposable, role.",
  "description": "Checks email addresses without sending anything: syntax, whether the domain has mail (MX) records, whether it's a known disposable domain, a role address (info@, support@…) or a free provider. It doesn't make an SMTP check, so it can't confirm a mailbox exists. Up to 100 per run.",
  "category": "lookup",
  "hosted_by": "Opentools",
  "runtime": "worker",
  "side_effects": false,
  "status": "live",
  "credits": 1,
  "price": "$0.0010",
  "providers": [
    {
      "id": "opentools",
      "name": "Opentools",
      "price": "$0.0010"
    }
  ],
  "mcp_name": "lookup_email",
  "input_schema": {
    "type": "object",
    "properties": {
      "emails": {
        "minItems": 1,
        "maxItems": 100,
        "type": "array",
        "items": {
          "type": "string",
          "maxLength": 320
        },
        "description": "Email addresses"
      },
      "check_mx": {
        "default": true,
        "description": "Look up MX records for each domain",
        "type": "boolean"
      }
    },
    "required": [
      "emails"
    ]
  },
  "kind": "tool"
}