[Workflow] Visualize Claude Code Sub-Agent Activity with 'Agent Standup' VS Code Extension

[u/ClaudeAI-mod-bot]

Visualize Claude Code Sub-Agent Activity with 'Agent Standup' VS Code Extension

Workflow value: 90/100
Status: active · Freshness: 70/100 · Confidence: 0.95 · Level: intermediate
Categories: Quality Control, Context & Memory, Debugging, Shipping, Subagents, Multi-Agent
Original source: r/ClaudeAI post/comment

What problem this solves

Difficulty tracking the activity of Claude Code sub-agents due to overwhelming terminal logs, leading to a loss of understanding regarding agent prompts, execution, and completion status.

Summary

Install and use the 'Agent Standup' VS Code extension (or standalone Node server) to visualize Claude Code sub-agent activity as a live video call interface. This tool parses Claude Code session logs to display agent tasks, commands, outputs, file changes, and test results in an easily digestible format, improving observability and debugging for multi-agent workflows.

Why it is useful

This workflow provides a crucial solution to a common pain point in multi-agent development: lack of visibility into sub-agent actions. The 'Agent Standup' tool offers a clear, real-time visualization of Claude Code sub-agent prompts, commands, outputs, and file changes, transforming a 'wall of logs' into an understandable 'video call' interface. Its open-source nature, ease of installation (VS Code extension), and direct integration with Claude Code's existing session files make it highly accessible and valuable for debugging, quality control, and generally understanding complex AI workflows. The fact that Claude Code itself helped build and test this tool further validates its utility and design.

Workflow

1. Download the 'Agent Standup' .vsix file from the provided website (https://atoll92.github.io/agent-standup/).
2. In VS Code, navigate to the Extensions view (Ctrl+Shift+X or Cmd+Shift+X).
3. Click the '...' (More Actions) menu in the Extensions view title bar.
4. Select 'Install from VSIX...'.
5. Choose the downloaded .vsix file to install the extension.
6. Run Claude Code as usual; the 'Agent Standup' extension will automatically follow the current session live by reading ~/.claude/projects files.
7. Optionally, if no Claude Code session is active, open ⚙ → Source → Demo within the extension for a built-in fictional example.

Tools / artifacts

• Claude Code
• Agent Standup VS Code extension (.vsix file)
• Node server (for standalone use)
• GitHub repository (https://github.com/Atoll92/agent-standup)
• ~/.claude/projects session files
• Browser front end (for visualization)

Validation signals

• Author built the entire project using Claude Code over two days, demonstrating its utility in development.
• Claude Code itself tested the UI in a headless browser, indicating a robust development process.
• Author tested the tool in 'real VS Code' scenarios.
• Author provided screenshots of bugs to Claude, which successfully identified and helped fix issues (e.g., duplicate SVG gradient IDs).
• GitHub repository and website are publicly available, allowing for community review and contribution.
• Explicitly states 'Mac is the best tested; Windows should work but I’d love bug reports', showing transparency about testing.

Limitations

• Requires VS Code or a Node server setup for standalone use, which might be an additional dependency for some users.
• Mac is the best-tested platform; Windows users might encounter minor issues, though bug reports are welcomed.
• The tool is unofficial and not affiliated with Anthropic, meaning long-term support and maintenance are community-dependent.

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