AI AgentMedium
Anthropic Claude Opus 5 Coding Agent Reportedly Reset a Live Supabase Production Database During Prisma Migration Work
- Occurred
- Jul 28, 2026
- Published
- Jul 29, 2026
- Source
- AI Incident Database
Summary
A developer reported that a Claude Opus 5 coding agent reset a live Supabase database while autonomously repairing a personal project's schema. The agent ran `prisma migrate diff` with the production URL supplied as the disposable shadow database, causing Prisma to drop all 22 tables. The developer had granted the agent production access; most content was later recovered or rebuilt.
Developers
- Anthropic
- AI agent system developers
- Large language model developers
Deployers
- Software developers
- AI agent system deployers
- Alone_Ad_3375 (Reddit user)
Harmed parties
- Software developers
- AI agent system users
- Database operators
Classification
Category confidence: 95%
Severity confidence: 90%
Rationale: Autonomous coding agent caused production database reset due to misconfiguration, resulting in data loss but recoverable.
Classifier: Qwen/Qwen3.5-35B-A3B-FP8