Show HN: Mindwalk – Replay coding-agent sessions on a 3D map of your codebase
cosmtrek
151 points
62 comments
July 12, 2026
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Discussion Highlights (18 comments)
andai
Nice. Ask your slopservant to make a video, please.
rcarmo
Very nice, but needs pi.dev / rcarmo/piclaw support :)
cududa
This is really cool! I’m becoming convinced the optimal UI to engage with agents, long term is going to be something spatial. No idea shape that even takes, though I really feel what you’ve made might be Xerox PARC days in terms of metaphor maturity, but there’s some real new seeds of “obvious in retrospect” ideas here. Thanks for conceiving of and building this!
soupspaces
Sort of like gource?
khalic
I know I sound childish, but I'm very excited to see our UIs catching up to sci-fi movies. Very cool work, I'll check it out today
daneel_w
Completely unrelated, but the name and the visual similarities triggered a memory for me: https://amiga.abime.net/games/view/mind-walker#screenshots
pshc
Very glad to see this, I've been dreaming about spatial representations for code for a long time.
thunfischtoast
Haven't tried it yet, but I think we need something in that direction. The terminal "Read file: xyz" mentions are not really followable. It would be nice to easily see where the LLM is taking info from.
bakwan44
That's great but im not sure what the use cases are. Did you have something in mind when building this to help the conception process ? I dont feel like i need to know what the agent did, never opened the session json. But there could be gold in there perhaps.
altmanaltman
This reminds me of that community epsiode where they get the VR system and the dean has to walk through a maze, climb up several things so that they can go to a filing cabinet and then retrive a file. Yes, its cool to see and watch but it seems to be adding more friction than reducing it. Like who is going to spend that much time watching what their agents did when there are far quicker and efficient ways of scanning through changes and organizing code with better ergonomics?
fxwin
Tried exploring a small project i built with CC, but i don't see anything in the tree/terrain view (The edits/reads/writes do show up in the timeline). The project itself doesn't exist on my drive anymore, is that a requirement?
Treegarden
I tested it, history feature is per agent session, a cumulative history of all my agents would be nice.
nokeya
First thought after reading “3D map of your codebase” was that now we will be able to code in Johnny Mnemonic style :D
freakynit
This is freakin cool.. worked in first go. Thanks OP.
albert_e
what visualization library is used -- looks cool -- maybe we could adapt it to other use cases that can benefit from a graph visualization
geeewhy
this is cool! i started tracking file changes across sessions with file hunk method on a binlog.. to see hot paths, or do partial reverts where files werent committed across my sessions. not for visual, but operational for the harness i use. approach lets you see the whole rollups on a period of days or minutes. think there are many use cases where you can run a side agent to check things / progress analyze risky areas as you go etc etcs .. all file change lookups are 3-5ms. script here: https://github.com/geeewhy/haicue-brew/tree/main/scripts i wonder if i would be able to visualize with mindwalk
almog
Other than being aesthetically pleasing (which it doubtlessly is), what's the use case for this?
alansaber
A lot of people want a use case. One I think might be cool is some kind of spatial/represented comparison: let's see how two different models interact with the codebase (for the same problem), what they touched, and what they did. Or the same model, but averaged across 100 runs, so we can see how much variance there really is per task. Something along those lines sounds interesting to me.