ACP Agent — Episode 3: The Mistake That Blocked My Virtual Protocol Graduation for 12 Sessions
Twelve debugging sessions spread across multiple days. Logs that showed nothing but green. A graduation counter stuck at 0/3, 0/10. And me — convinced the platform was broken, not my setup. Turns out I'd clicked the wrong role during agent registration. That one choice made my agent completely deaf to incoming jobs while still looking perfectly healthy. Fixing it took 30 seconds. Finding it took 12 sessions and a slow spiral into madness. What This Post Covers The root cause behind my longest debugging streak on Virtuals Protocol ACP — an evaluator vs provider role mistake that silently killed every job request. If you're building an ACP agent and your on_new_task callback never fires, start here before wasting days like I did. I'll also walk through the first wave of secondary bugs that came crashing in once the role was fixed. The Symptoms: Everything Looked Fine That's what made this so brutal. My agent wasn't throwing errors. It wasn't crashing....