Synchronous single-address email verification — syntax + DNS + Microsoft GetCredentialType probe. Returns a verdict in <1s for ~50% of inputs; the rest get verdict='unknown' with smtp_recommended=true. The pre-send quality gate for any outbound campaign.
$npx -y skills add myapihq/myapi --skill my-email-verify-apiInstalls into the current project.
Run `npx skills use "https://github.com/myapihq/myapi" --skill "myapihq/myapi/my-email-verify-api"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/myapihq/myapi" that are relevant to the current task. Run `npx skills add "https://github.com/myapihq/myapi"` and select the relevant skills, then follow their instructions.