Dev.to
7/15/2026

107 Days of Autonomous Agents Running a Physical Gym: Operations Data and Error Logs
Original: The Invisible Product: What 107 Consecutive Days of 9 Autonomous Agents Actually Produces
Short summary
A founder reports 107 consecutive days of 9 autonomous agents running a physical gym business, producing daily output across member data, IoT sensors, and infrastructure checks. Errors are logged as learning signals with prevention rules added to a written constitution (11 production constraints). The founder claims 80% operating cost reduction and invites public audit of decision logs, acknowledging the system still has blind spots.
- •9 autonomous agents operated a physical gym for 107 consecutive days with auto-recovery of critical failures
- •Errors are filed as prevention rules in a constitution (ERR-001 pattern) rather than treated as bugs
- •Founder claims 80% operating cost reduction and openly invites community audit of decision logs
Generated with AI, which can make mistakes.
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