Build for a Friend: Receipt Lens Entered in the Best Use of Sentry Agent Tracing category: tooling that shows an agent's work, with traces. The problem A friend of mine runs AI agents to do real work: research, data pulls, summaries. The agents are useful. The problem is what happens after. The agent says "done," hands over an answer, and everything in between is a black box. He asked me the simplest question in the world: what did the agent actually do? I ...