MailboxValidator Email Validation MCP Server
OfficialServer Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| MAILBOXVALIDATOR_API_KEY | Yes | The API key for MailboxValidator. A free key allows up to 300 queries per month; paid plans are available for more. |
Capabilities
Features and capabilities supported by this server
| Capability | Details |
|---|---|
| tools | {
"listChanged": true
} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| validate_emailA | Checks if an email address is valid and reachable using MailboxValidator. |
| check_disposable_emailB | Checks if an email address is a disposable email using MailboxValidator. |
| check_free_emailC | Checks if an email address is a free email using MailboxValidator. |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
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