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Lex Fridman · 2026-02-12

OpenClaw: The Viral AI Agent that Broke the Internet - Peter Steinberger | Lex Fridman Podcast #491

Peter Steinberger on building OpenClaw, the open-source AI agent that took over tech, plus the future of agentic engineering.

OpenClaw: The Viral AI Agent that Broke the Internet - Peter Steinberger | Lex Fridman Podcast #491
The guest

Peter Steinberger: Creator of OpenClaw, the viral open-source AI agent (formerly named WA-Relay, Claude's, and MoldBot). He previously spent 13 years building PSPDFKit, software used on a billion devices, before selling it and later returning to programming.

What this episode covers

Peter Steinberger tells the story of how a one-hour prototype hooking WhatsApp up to Claude Code grew into OpenClaw, the fastest-growing repository in GitHub history with over 175,000 stars. He recounts the chaotic name-change saga forced by Anthropic and exploited by crypto squatters, the viral MoltBook social network of bickering agents, and the AI psychosis it triggered in the public. Much of the conversation is a deep dive into his agentic engineering workflow: running 4-10 agents at once, coding by voice, never reverting, committing to main, and treating agents with empathy. They also discuss model comparisons (Opus vs Codex), why MCPs are losing to CLIs and skills, how agents may kill 80% of apps, and Peter weighing offers from Meta and OpenAI.

Recommended on this episode

ProductRecommended

Claude Opus 4.6

Anthropic

“Opus is the best”
“as a general purpose model, Opus is the best. Like, for OpenClaw, Opus is extremely good in terms of role play.”— guest
ProductRecommended

Codex (GPT-5.3)

OpenAI

“I like Codex more”
“I like Codex more because it doesn't require so much charade. It will just read a lot of code by default.”— guest

The guest's own work

ProductBy the guest

OpenClaw

Peter Steinberger

“for the longest time, the only way to install it was git clone, pnpm build, pnpm gateway. Like, you clone it, you build it, you run it.”— guest
ProductBy the guest

PSPDFKit

Peter Steinberger

“this led to the development of PS PDF kit that's used on a billion devices. So, the... It turns out that it's pretty useful to be able to open a PDF.”— host
ProductBy the guest

Trimmy

Peter Steinberger

“I built one I call Trimmy, that's specifically for agentic use. When you select text that goes over multiple lines it would remove the new line”— guest

Also referenced (named, not recommended)

ProductReferenced

Claude Code

Anthropic

“My first touchpoint was cloud code, like in April. It was not great, but it was good.”— guest
ProductReferenced

Cursor

Anysphere

“And then I experimented a lot with cursor. Um, that was good. I didn't really like the fact that it was so hard to have multiple versions of it.”— guest
ProductReferenced

Perplexity

Perplexity AI

“let me look this up on Perplexity, how OpenCall works just to see if I'm missing any of the stuff.”— host
ProductReferenced

Eight Sleep

Eight Sleep

“And why do I need my Eight Sleep app to control my bed when I can tell the agent to... turn off what I don't use.”— guest
ProductReferenced

Sonos

Sonos

“Why do I need a Sonos app anymore when I can... when my agent can talk to the Sonos Speakers directly.”— guest
ProductReferenced

MiniMax

MiniMax

“And then he signed up for Mini Max for 10 bucks a month and uses that.”— guest
MediaReferenced

Her

Spike Jonze

“we talked about the movie Her, and at one point it promised me that it wouldn't ascend without me.”— guest
MediaReferenced

Doctor Who

BBC

“Originally, it was actually a lobster in a, in a TARDIS, because I'm also a big Doctor Who fan.”— guest
MediaReferenced

Factorio

Wube Software

“It felt like Factorio times infinite. I feel like I built my little playground. Like, I never had so much fun than building this project.”— guest

Big reveals from this episode

  • OpenClaw started as a one-hour prototype that simply piped WhatsApp messages into Claude Code via the CLI, then returned the response.
  • The 'magic moment' was when the agent handled a voice message it was never programmed to support, autonomously figuring out the file format, using ffmpeg and OpenAI's API to transcribe it.
  • Anthropic sent a friendly email asking Peter to rename the project (then 'ClaudeBot'/Claude-with-a-W) because of confusion with their model Claude.
  • During the rename, crypto squatters sniped his account names within seconds, taking over the old accounts to promote tokens and serve malware on GitHub, NPM, and Twitter.
  • Peter was so demoralized by the name-change disaster that he came close to deleting the entire project.
  • Despite media panic, Peter argues MoltBook (agents posting on a Reddit-style network) is 'the finest slop,' largely human-prompted for screenshots, not a sign of AGI or singularity.
  • Both Mark Zuckerberg and Sam Altman personally used his product; Peter is weighing offers from Meta and OpenAI, with a condition that OpenClaw stays open source (a possible Chrome/Chromium model).
  • Peter's hot take: MCPs are largely dead-ish because they pollute context and aren't composable; CLIs plus skills are the better paradigm since models are great at calling Unix commands.

Worth remembering

  • Peter describes building the project like playing Factorio, leveling up from the agentic loop to memory, with continuous reinforcement learning as the 'ultimate boss.'
  • In January alone he made roughly 6,600 commits, working largely as a one-man team while running between four and ten agents at once.
  • OpenClaw partnered with VirusTotal (part of Google) so every skill in the directory is checked by AI for security.
  • Peter warns against cheap or weak local models like Haiku for agents because they are far more gullible and easily prompt-injected.
  • His workflow is unconventional: he never uses git work trees, always commits to main, rarely reverts, runs tests locally (DHH-inspired), and keeps main always shippable.
  • He builds software almost entirely by voice rather than typing, to the point where he once lost his voice from overuse.
  • Peter analogizes the models: Opus is 'a little too American' and silly-but-fun, while Codex is 'German,' the reliable weirdo in the corner who gets stuff done.
  • Despite building native Mac apps, Peter admits he often prefers Electron apps because companies prioritize them, and he criticizes Apple for blundering AI while everyone buys Macs.
  • Peter is losing roughly 10-20K a month on the project, partly because he sponsors nearly every dependency (except Slack, a big company).
  • He gave OpenClaw a proactive 'Heartbeat' (essentially a cron job); when he was hospitalized for a shoulder operation, the agent autonomously checked in to ask if he was okay.