Verify email deliverability by SMTP. Catch-all/disposable/role detection. EU-hosted, GDPR-ready.
Connect Remote server
claude mcp add --transport http checkmails https://checkmails.eu/api/mcp --header "Authorization: Bearer <YOUR_API_KEY>"
{
"mcpServers": {
"checkmails": {
"url": "https://checkmails.eu/api/mcp",
"headers": {
"Authorization": "Bearer <YOUR_API_KEY>"
}
}
}
}
{
"servers": {
"checkmails": {
"type": "http",
"url": "https://checkmails.eu/api/mcp",
"headers": {
"Authorization": "Bearer <YOUR_API_KEY>"
}
}
}
}
Settings > Connectors > Add custom connector
URL: https://checkmails.eu/api/mcp
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server asks for a key before it lists its tools. Connect it with your own key to see them.
Headers
| Name | Description |
|---|---|
AuthorizationRequired, secret | Bearer chk_<your API key> - paid checkmails plan, get it at https://checkmails.eu/app |
Details
| Endpoint | https://checkmails.eu/api/mcp (Streamable HTTP) |
| First published | 28 Jun 2026 |
| Last updated | 28 Jun 2026 |
| Registry name | eu.checkmails/checkmails |
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