Email Address Validator (Syntax, MX, Disposable & Role Checks)

omnial/email-validate

Checks one or more email addresses (comma-separated, up to 25 per call) for RFC syntax validity, a live MX record lookup, disposable/throwaway domain membership, and role-account or free-provider status, returning a per-address verdict with the reasons behind it.

activeper callv4

Price

$0.0451 per call

You pay the price shown. If a call turns out to cost more than its quote, you pay the actual price, capped at twice the quote. No monthly minimum. Top-ups start at $0.50.

Data source

Public DNS records

Data from public DNS records.

Use it

Five steps: search, inspect, learn, run, settle. No per-tool setup; your agent reaches this tool through the meta-tools it already has.

Connect once and your AI can find and run this tool, and any other it needs.

Install it Create an account

agent

// 1. search: find the tool
omnial_search({ query: "what you need" })

// 2. inspect: price and input schema
omnial_inspect({ tool: "omnial/email-validate" })

// 3. learn: read the usage guide at runtime
omnial_learn({ tool: "omnial/email-validate" })

// 4. run: price the exact call first, then run it
omnial_execute({ tool: "omnial/email-validate", input: { /* see input_schema */ }, dry_run: true })
omnial_execute({ tool: "omnial/email-validate", input: { /* ... */ } })

// 5. settle: the call is charged when it finishes, nothing to do

Not connected yet? Point your MCP client at https://mcp.eden-engine.com/mcp, then copy a config for your client.

Pricing

Every charge this tool can incur.

Charge	Price
Per call	$0.0451

Updated: Oct 25, 2026

Input and output schemas

Input schema

input_schema.json

{
  "type": "object",
  "required": [
    "emails"
  ],
  "properties": {
    "emails": {
      "type": "string",
      "description": "comma-separated email addresses, up to 25 per call (a single address works too)"
    }
  },
  "additionalProperties": false
}

Output schema

output_schema.json

{
  "type": "object",
  "properties": {
    "count": {
      "type": "number",
      "description": "Number of addresses validated in this call."
    },
    "items": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "type": {
            "type": "string",
            "description": "Typically the literal string 'email_validation'."
          },
          "email": {
            "type": "string",
            "description": "The address as submitted, echoed back exactly as given in the input."
          },
          "domain": {
            "type": "string",
            "description": "The portion of the address after the '@'."
          },
          "mxFound": {
            "type": "boolean",
            "description": "True when the domain has at least one resolvable MX record."
          },
          "reasons": {
            "type": "array",
            "items": {
              "type": "string"
            },
            "description": "Human-readable reason strings behind the verdict."
          },
          "verdict": {
            "type": "string",
            "description": "Confirmed as 'risky' in testing (a role account and a disposable domain). The endpoint's own documentation also describes 'ok' and 'invalid' verdicts, but neither has been seen in a real call -- treat those two as documented-but-unconfirmed rather than guaranteed values."
          },
          "localPart": {
            "type": "string",
            "description": "The portion of the address before the '@'."
          },
          "mxRecords": {
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "host": {
                  "type": "string"
                },
                "priority": {
                  "type": "number"
                }
              },
              "additionalProperties": true
            },
            "description": "The domain's mail-exchange hosts. Empty when mxFound is false."
          },
          "normalized": {
            "type": "string",
            "description": "The address after normalization -- typically identical to `email` (no case-folding or alias-stripping difference has been seen)."
          },
          "roleAccount": {
            "type": "boolean",
            "description": "True for a generic mailbox local part (e.g. 'support', 'sales', 'info') rather than an individual's own address."
          },
          "syntaxValid": {
            "type": "boolean"
          },
          "freeProvider": {
            "type": "boolean",
            "description": "True when the domain is a known free consumer email provider."
          },
          "disposableDomain": {
            "type": "boolean",
            "description": "True when the domain matches a known throwaway/disposable list."
          }
        },
        "additionalProperties": true
      }
    }
  },
  "description": "The validation batch.",
  "additionalProperties": true
}