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Claude Code

Claude Code Observability Guide

Add logging and observability to Claude Code so you can see what it did and why.

Published April 2026

Look inside

See exactly what your Claude Code agents are doing, locally, with no API key. There is no pip install, no virtual environment, and no build step. It runs on Python's standard library only and works on API, Pro, and Max plans, reading the JSONL logs Claude Code already writes to your machine.

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