SpaceXAI engineer Lingxi Li, Lingxi Li, runs code cleanup while everyone else is asleep. Nobody is shipping at 3 AM, so conflicts are rare and the changes are low risk. His bots start a research agent that sweeps the monorepo for quality issues, poor modularization, comment bloat and security... gaps. He wakes up to a stack of PRs.show more

@lingxi @lingxi is the goat, great guy also

@lingxi a special mind

@lingxi Facts.

@lingxi So dis bro is da one shipping in the middle of my grinds Bahahha

@lingxi bro is agi

@lingxi Real G's move in silence

@lingxi Lingxi is an absolute pro 💪

@lingxi give every overnight cleanup a kill switch. if tests miss a behavior change, the first engineer online should be able to revert the whole batch before reading the summary

@lingxi This is actually the best way to ship

@lingxi The low-conflict window is interesting, but the real unlock is having the agent surface small, reviewable changes instead of opening one giant cleanup PR.

@elonmusk @lingxi That guy is brilliant

@lingxi 3am club 😎🫡

@lingxi 3 AM merges with zero conflicts?

@lingxi oh wow, we used to do that at @Meta and nobody even noticed. Like upgraded C++ version of a very large codebase with only a handful of people. But AI does it and suddenly it is cool!

@lingxi they talked about peadpod too :)

@lingxi 3am is cheap because conflict rate drops, not because judgment does. overnight cleanup only works if the bot can fail closed and leave a receipt a morning human can reject without archaeology.

@lingxi

@lingxi Facts: When you work with a lot of people, sometimes find times when you can work off-hours from everybody else. Or have the bots work when nobody else is working and coordinate with the other bots who happen to be working.

@lingxi Overnight agents are compelling because they turn idle hours into a durable inbox, not because they merge unattended. In @puffoai, agents can work in parallel, leave results in shared threads, and hand consequential changes back to humans for review.

@lingxi Ohh

@elonmusk @lingxi 👏👏👏👏👏

@lingxi Great 👍🏻 follow me