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Start free trial →devtools.fm: Developer Tools, Open Source, Software Development · Hands-On Engineering Podcasts · November 2026
Asked how his own team reviews code now, Tarun admits they haven't solved it: they have dozens of open PRs and still read the code. He sets out why he thinks the pull request needs rethinking for the agent era.
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So I'm curious, when you're actually performing a review, are you just using an agent within MCP to probe different parts of the code? What is your process? How's your process in doing a review on GitHub or whatever changed?
Man, I don't want to say that we figured it out. I think that I think pull requests and just code review is just probably the biggest pain point for every development team. I don't want to sit here and pretend like we've gotten that stuff solved. As I'm talking, we're sitting on 40 open PRs and there's a lot of work that we have to do to figure out how PRs are going to really work for us. Because one thing that we care about, we still care about is we do still read the code. So we try to understand what's happening. We try to make sure that we can reason around these things. And perhaps that's a kind of relic of the past in some ways. And there's arguments for and against that. And it's an interesting conversation, of course. And very much, we're not trying to hold on to something that is maybe not relevant. But right now, for us, it is quite relevant. We're building product that requires us to understand what is happening at every step of the way. Andrew Lisowski pull requests are the things that we're trying are obviously all of the automated review tools we're putting in place. I think one of the things that we are, and this is kind of goes to one of the things that we're building right now, which is called surfaces, is actually just like understanding and visualizing what is actually happening in a PR in a better way…
So what constitutes a service? I don't think the listeners might really grock that quite yet.
A service in what sense?
A surface. Like what? Oh, a surface. Yeah. Okay, sorry.