# Anthropic quietly built code that flagged users linked to Chinese AI labs, then killed it

> This is a rare look at how a safety-obsessed lab operationalizes its own paranoia, building surveillance-like logic into a developer tool rather than just writing about risk in blog posts. That it got walked back only after scrutiny suggests it was tested quietly in the hope nobody would notice, which sits awkwardly next to a public image built on transparency. It also raises a broader question worth watching, how many other labs are running similar undisclosed heuristics inside their products right now.

_Section: [Interesting AI Articles](https://www.wortins.com/articles) · Source: Semafor · Published Sunday, July 5, 2026_

## Wortins' read

This is a rare look at how a safety-obsessed lab operationalizes its own paranoia, building surveillance-like logic into a developer tool rather than just writing about risk in blog posts. That it got walked back only after scrutiny suggests it was tested quietly in the hope nobody would notice, which sits awkwardly next to a public image built on transparency. It also raises a broader question worth watching, how many other labs are running similar undisclosed heuristics inside their products right now.

## Source

[Read the full story at Semafor](https://www.semafor.com/article/07/01/2026/anthropic-rolls-back-china-tracking-code)

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_Curated and written by [Wortins](https://www.wortins.com) — The daily AI briefing. Every story links to its original source; the "Wortins read" on each is our own original analysis. [About Wortins & our editorial approach](https://www.wortins.com/about)._