You can wire the Send Email node into an AI agent as a tool provider: the agent calls the operations you allow. See Agent tools.
Credentials
The Send Email node works without credentials. Add it to a workflow and it is ready to run.Operations
Send Email performs a single operation, Email Myself (send). Send an email to YOUR OWN account email address. The recipient is always the account email of the user running the workflow, no other recipients can be specified.