I made an open-source VS Code extension to visualize and debug Claude Code sessions in real-time

Reddit r/AI_Agents Tools

Summary

Argus is an open-source VS Code extension that provides real-time visualization and debugging for Claude Code sessions, including a timeline, dependency graph, and cost/loop detection.

Hey everyone! Running Claude Code in the terminal is amazing, but I hated the "black box" feeling of not knowing exactly what the agent was doing behind the scenes, or when it got stuck in an infinite loop. To solve this, I built \*\*Argus\*\* — an open-source visual debugger and observability tool for Claude Code right inside VS Code. Key features: \* \*\*Real-time Timeline:\*\* Streams the JSONL transcripts instantly to show agent steps (Bash, Read, Write, WebFetch). \* \*\*Dependency Graph:\*\* Visually maps out which files the agent is touching and how they connect. \* \*\*Cost & Loop Detection:\*\* Caught a few duplicate reads and retry loops that were burning tokens unnecessarily. It’s completely open-source (MIT) and lightweight. I’d love to hear your feedback on the architecture or features you'd like to see next!
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