/env
A Claude Code slash command, read out of the shipped bundle. No mined inventory carries it: everything below comes from what this site has written about it.
On Windows, environment variables from settings or /env now reach sandboxed commands, and ones that cannot be passed are logged as left out
Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.299.
In the changelogs
1Releases whose published page names /env.
-
v2.1.299
Windows sandboxed commands now receive environment variables from settings
On Windows, environment variables from settings or
/envnow reach sandboxed commands, and ones that cannot be passed are logged as left outnamed in this entry, found in this entry's text
First cited
1The earliest release whose published evidence quoted /env was v2.1.299, 14 Oct 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.
Presence across releases
0The miner has never read a build containing this name. It is here because a changelog entry of ours names it, which is evidence that it existed and not evidence of which releases carried it. The inventory starts at v2.1.138 and everything older than that was never mined.
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 slash command does. All slash commands.