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# GitHub - cosmtrek/mindwalk: A visualization tool that replays coding-agent sessions on a 3D map of your codebase.

**[Hacker News](https://daily.dev/sources/hn)** · 4 min read · 0 upvotes · 0 comments

## Summary

mindwalk is an open-source Go tool that visualizes AI coding-agent sessions (Claude Code, Codex) as a 3D interactive map of your codebase. It replays session logs as light moving through a night-map of the repo, showing which files the agent searched, read, or edited. The tool runs fully locally, parses JSONL session logs, and serves a React/Three.js frontend with tree and terrain views, playback controls, a timeline with marks for context compactions and subagent launches, and a file inspector. The architecture separates trace normalization from citymap layout, making replays comparable across sessions.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://github.com/cosmtrek/mindwalk>

---

Tags: [#golang](https://daily.dev/tags/golang), [#ai-agents](https://daily.dev/tags/ai-agents), [#claude-code](https://daily.dev/tags/claude-code)

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