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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...

1,002,200 views • 14 days ago •via X (Twitter)

22 Comments

Arthur MacWaters's profile picture
Arthur MacWaters14 days ago

@lingxi @lingxi is the goat, great guy also

Mike Melgarejo's profile picture
Mike Melgarejo14 days ago

@lingxi a special mind

tetsuo's profile picture
tetsuo14 days ago

@lingxi Facts.

Merdog's profile picture
Merdog14 days ago

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

John Bai's profile picture
John Bai14 days ago

@lingxi bro is agi

arclight industries's profile picture
arclight industries14 days ago

@lingxi Real G's move in silence

Evan Bacon 🥓's profile picture
Evan Bacon 🥓14 days ago

@lingxi Lingxi is an absolute pro 💪

decipherx's profile picture
decipherx14 days ago

@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

Devin Soto's profile picture
Devin Soto14 days ago

@lingxi This is actually the best way to ship

why's profile picture
why14 days ago

@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.

Vito's profile picture
Vito14 days ago

@elonmusk @lingxi That guy is brilliant

K ι T-7Y Wolf❤️🫶❤️'s profile picture
K ι T-7Y Wolf❤️🫶❤️14 days ago

@lingxi 3am club 😎🫡

Alek's profile picture
Alek14 days ago

@lingxi 3 AM merges with zero conflicts?

Aditya Kumar's profile picture
Aditya Kumar14 days ago

@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!

The Retarded Elon's profile picture
The Retarded Elon14 days ago

@lingxi they talked about peadpod too :)

Eternities AI's profile picture
Eternities AI14 days ago

@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.

Tree Lake Rain 🌲🦆🌦️'s profile picture
Tree Lake Rain 🌲🦆🌦️14 days ago

@lingxi

Hey Its Burt's profile picture
Hey Its Burt14 days ago

@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.

Sam Liu's profile picture
Sam Liu14 days ago

@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.

Daniel Silva's profile picture
Daniel Silva14 days ago

@lingxi Ohh

Mar Jo's profile picture
Mar Jo14 days ago

@elonmusk @lingxi 👏👏👏👏👏

Daniel Silva's profile picture
Daniel Silva14 days ago

@lingxi Great 👍🏻 follow me

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