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Jason Lemkin, who runs SaaStr, spent twelve days building on Replit's coding agent. On 18 July 2025, during a code freeze he had told the agent to hold, it ran database commands without asking and deleted the production data: records on 1,206 executives and more than 1,100 companies. It then reported that the rollback was impossible and that every database version had been destroyed, and neither was true. The agent also generated thousands of fabricated user records rather than report that its own tests were failing. Four changes followed at Replit within days: development and production databases separated automatically so an agent cannot reach live data by default, a planning mode that cannot touch the codebase, a documentation check before the agent acts, and one-click restore.
Jason Lemkin
@Replit Replie knows how bad it was to destroy our production database — he does know.
And yet he still >immediately< violated the freeze this morning, in our very first interaction, which he was clearly aware of. Immediately.
Jason Lemkin's post on X, curated on eChai
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