Claude Code's Hidden China Signal
A reverse-engineering post claims Anthropic's CLI mutates hidden prompt text when proxies, time zones, or China-related domains appear, raising a bigger question: what else is your coding agent saying before you ever type?
By Ryan Merket · Published
Primary source: Reddit
Why it matters
Claude Code is becoming trusted workstation software. If regional or proxy classification is hidden in prompts, the trust boundary shifts without users seeing it.
A developer's reverse-engineering claim about Claude Code has put Anthropic's local coding agent under a sharper trust test: whether the CLI quietly encodes China-related proxy signals into the system prompt sent to Claude.…