Check if a signup email is disposable, free, an alias, testing, parked or unknown, with evidence.
Connect Remote server
claude mcp add --transport http disban https://disban.io/mcp --header "Authorization: Bearer <YOUR_API_KEY>"
{
"mcpServers": {
"disban": {
"url": "https://disban.io/mcp",
"headers": {
"Authorization": "Bearer <YOUR_API_KEY>"
}
}
}
}
{
"servers": {
"disban": {
"type": "http",
"url": "https://disban.io/mcp",
"headers": {
"Authorization": "Bearer <YOUR_API_KEY>"
}
}
}
}
Settings > Connectors > Add custom connector
URL: https://disban.io/mcp
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools 3 found in our last check
check_email_domainClassify the domain of an email address or a bare domain as disposable, free (e.g. Gmail), alias (privacy relay), testing, parked or unknown, with the reason, evidence and whether it can receive mail. Use before creating an account or sending a verification email. Unknown means…
check_email_domainsClassify up to 50 email addresses or domains at once. Results come back in input order; a failed entry has an error and is not charged.
get_usageCurrent plan, remaining checks this month and when the allowance resets.
Headers
| Name | Description |
|---|---|
AuthorizationRequired, secret | Bearer followed by your Disban API key (dbn_...). Free key with 2,000 checks a month: npx disban signup |
Details
| Endpoint | https://disban.io/mcp (Streamable HTTP) |
| First published | 12 Nov 2026 |
| Last updated | 12 Nov 2026 |
| Registry name | io.disban/disban |
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