What Should You Actually Track in AI Usage

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Before you can optimize AI adoption, you need to understand what you're actually measuring — and why.

At my work, we run two AI interfaces in parallel: Claude Code CLI for engineering work, and a desktop interface for the broader team. They generate different signals — so we monitor them separately. Today I want to share what I track, what the data showed me, and how I apply the learnings.

Claude Code CLI

The foundation is active engineers and active time — the baseline we rely on to understand whether the tool is really in use or just installed and idle. Below that, we monitor commits and PRs created with AI assistance as output and delivery signals, watching the trend over time rather than individual counts.

The efficiency metric we anchor on most is cost per commit. Our internal baseline is $5.13, derived from real billing data, and not telemetry...

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Claude flags nearly 500 worrying open source security issues — C, Java, and Python code all at risk as one flaw…

* Anthropic used Claude to analyze 25 open source projects and uncovered nearly 500 security issues * Research found exposed pre-authentication code paths, conflicting security settings, and long-hidden flaws * AI identified attack-surface reductions that removed unnecessary code exposure before vulnerabilities could be exploited Anthropic recently used Claude to analyze 25 major open