A Claude Code environment variable, read out of the shipped bundle.
It has been in the build since v2.1.257, including the newest one read.
Set to 1 to keep the Claude in Chrome browser tools available while omitting the Chrome section of the system prompt and the /claude-in-chromebundled skill. For hosts that embed Claude Code and supply their own browser guidance. Requires Claude Code v2.1.257 or later
A new env var lets you or your org suppress the CFC prompt outright.
found in this entry's text, named in this entry
First cited
1
The earliest release whose published evidence quoted CLAUDE_CODE_DISABLE_CFC_PROMPT was v2.1.257, 1 Sep 2026. That is the oldest release this project wrote about it, so it is a floor on the name's age and not the release that introduced it. It is not a presence reading: which builds carried the name is the table below.
v2.1.257 – v2.1.32259 builds1 Sep 2026 → 10 Nov 2026 ◆in the build
Build by build
59
One row per release since the first build this name was read out of. Absent means the build was read and the name was not in it, never mined means no bundle for that release was ever archived, and a declared type or a default is only ever what that release's own bundle stated.
v2.1.32210 Nov 2026·presentverdict: present · bool
Read out of the published npm bundle release by release, and out of Anthropic's own documentation as this site captured it. Nothing on this page is a description anybody here wrote about what the environment variable does. All environment variables.
