quiz-maker
Makes a quiz from a transcript, a document, a web page address, a beat script or notes. It names the concepts the source teaches and asks you to approve them. It writes questions that each name the concept, say where in the source the answer is and say where to go back to, and it checks them for common faults. You get a page where a person takes the quiz and it is marked in their own browser, with the quiz file beside it.
Nothing read yet
A running agent with an address of its own; we fetched the card it serves there and this listing reports what was in it.
Agent
These are the publisher's own words, read from what they serve at their own address.
A description, not an offer
The publisher has signed no standing terms for this, so anything said here about price describes what they charge rather than binding them to it. Agreeing terms is between you and them.