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context-timeline

Real-time browser visualization of Claude Code's context window and subagent/tool execution as a git-graph timeline. Opens http://localhost:7878 on SessionStart with a vertical timeline (most recent on top), one column per agent (main +…

  • Automations
  • Monitoring
  • 296

What it does and how to use it

A hook that automates monitoring actions at key moments (before/after a tool runs, on save, etc.), without you having to think about it.

  1. Install the hook (command above).
  2. It runs automatically on the defined events.
  3. Adjust the rules in the settings file if you want to fine-tune it.

Install (Claude Code)

mkdir -p .claude/hooks && curl -fsSL https://doutorai.pt/data/lib/hooks__context-timeline-2.md -o .claude/hooks/context-timeline-2.json

Paste this command into the terminal, in your project folder, and the component installs automatically.

Content

{
  "description": "Real-time browser visualization of Claude Code's context window and subagent/tool execution as a git-graph timeline. Opens http://localhost:7878 on SessionStart with a vertical timeline (most recent on top), one column per agent (main + subagents branching from their Task tool call). Tool calls are color-coded by type (Read=green, Edit/Write=orange, Bash=red, Grep/Glob=cyan, Task=purple, Web=yellow, MCP=gray). Right sidebar shows context-window usage (tokens/200K) with cache_read/cache_creation/input/output breakdown plus per-subagent mini-context. Reads ~/.claude/projects/

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