I Built a Profiler to Audit My Own AI Tool Calls. Here's What I Learned About Observability

I built a profiler to audit my own tool calls. After loading 157 skills in 12 days, I realized I had zero visibility into whether I was using them efficiently. So I built AgentLens. The Problem Nobody Talks About Most AI agent demos look magical because the demo is 30 seconds long. Run the same agent for a day and watch the logs. You will find: Redundant tool calls (same file checked 3 times in one session) Silent failures that retry with no backoff Token burn per task vs. actual...