1

Curious builder0 XP earned · 300 to level 2

0 daysFinish a lesson to begin

Badge collection0 of 6 unlocked

29 small wins to finish your pathNext lesson →

More than one agent quiz

Question 1 of 5

A tool calls writer.run(ticket, usage=ctx.usage). Why pass usage?

Back toHarness Coder: a ready-made coding agentTesting, observability and shipping →

Getting one wrong here is cheaper than getting it wrong in your own code.