--- title: GitHub - cosmtrek/mindwalk: A visualization tool that... description: 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... canonical: https://daily.dev/posts/github---cosmtrek-mindwalk-a-visualization-tool-that-replays-coding-agent-sessions-on-a-3d-map-of-y-1qqoqsp2f twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: GitHub - cosmtrek/mindwalk: A visualization tool that replays coding-agent sessions on a 3D map of your codebase. | daily.dev og:description: 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... og:url: https://daily.dev/posts/github---cosmtrek-mindwalk-a-visualization-tool-that-replays-coding-agent-sessions-on-a-3d-map-of-y-1qqoqsp2f og:image: https://api.daily.dev/og/posts/1QqOQSp2F.png og:image:alt: GitHub - cosmtrek/mindwalk: A visualization tool that replays coding-agent sessions on a 3D map of your codebase. og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # 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: ## Questions this post answers ### Is there a tool to visualize what a Claude Code or Codex agent actually did during a session? Mindwalk is an open-source Go tool that replays coding-agent session logs as light moving across a 3D map of the repository, showing which files were searched, read, or edited. It reads Claude Code and Codex JSONL session logs locally with no data leaving the machine, and includes a playback deck, touch-state coloring, and timeline marks for context compactions and subagent launches. _Developers debugging agent behavior can browse tools like mindwalk for visualizing coding-agent sessions on daily.dev._ ### How can I inspect which files an AI coding agent explored versus actually edited in a session? Mindwalk assigns each file a deepest touch state — seen, read, or edited, color-coded moss green, moon white, or warm amber respectively — derived from parsing the session's normalized trace of file-touch events. A review strip in the HUD also surfaces friction signals like error rate, churned files, and edits made after the last verification step. _Teams evaluating agent transparency tools can track approaches like this on daily.dev._ --- Tags: [#ai-agents](https://daily.dev/tags/ai-agents), [#golang](https://daily.dev/tags/golang), [#claude-code](https://daily.dev/tags/claude-code) [View this post on daily.dev](https://daily.dev/posts/github---cosmtrek-mindwalk-a-visualization-tool-that-replays-coding-agent-sessions-on-a-3d-map-of-y-1qqoqsp2f) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"GitHub - cosmtrek/mindwalk: A visualization tool that replays coding-agent sessions on a 3D map of your codebase.","url":"https://daily.dev/posts/github---cosmtrek-mindwalk-a-visualization-tool-that-replays-coding-agent-sessions-on-a-3d-map-of-y-1qqoqsp2f","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/github---cosmtrek-mindwalk-a-visualization-tool-that-replays-coding-agent-sessions-on-a-3d-map-of-y-1qqoqsp2f"},"datePublished":"2026-07-12T09:50:31.187Z","dateModified":"2026-09-14T09:15:34.090Z","description":"mindwalk is an open-source Go tool that visualizes AI coding-agent sessions (Claude Code, Codex) as a 3D interactive map of your codebase. 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