There are several steps to using the recaptcha library.

•	Wrap the responder in a <recaptcha>
•	Wrap the responder in an <alloy> if it is not already, to enable conversations and database access
•	Call validate-recaptcha from the validate slot of the action
•	Put the chloe tag <recaptcha/> inside a form tag in the template served by your action

There is an example web app using recaptcha support: