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Sweep 28 Sep 2026 · 18:16Z Build v2.1.284 505 read Stable v2.1.277 Latest v2.1.284 Next v2.1.284 Feeds RSS JSON llms.txt llms-full.txt Unofficial

CLAUDE_CODE_WHIMSICAL_ELEPHANT

env in the build JSON

A Claude Code environment variable, read out of the shipped bundle. It has been in the build since v2.1.284, including the newest one read.

A new environment variable, CLAUDE_CODE_WHIMSICAL_ELEPHANT, overrides the remote switch for a reminder tag on turns passed between agents

Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.284.

First seen v2.1.284 28 Sep 2026
Last seen v2.1.284 28 Sep 2026
Builds1 / 127on this box, as of v2.1.284
Written about v2.1.284 first named in a changelog, 28 Sep 2026
v2.1.284in the build not in the build never minedv2.1.284

In the changelogs

2

Releases whose published page names CLAUDE_CODE_WHIMSICAL_ELEPHANT.

  1. v2.1.284
    New CLAUDE_CODE_WHIMSICAL_ELEPHANT variable overrides a multi-agent reminder feature

    A new environment variable, CLAUDE_CODE_WHIMSICAL_ELEPHANT, overrides the remote switch for a reminder tag on turns passed between agents

    found in this entry's text, named in this entry

  2. v2.1.284
    Messages relayed from other agents can be wrapped in tagged system reminders

    A new switch, also settable with CLAUDE_CODE_WHIMSICAL_ELEPHANT, wraps messages from peers and coordinators in tagged system-reminder markers

    found in this entry's text

First cited

1

The earliest release whose published evidence quoted CLAUDE_CODE_WHIMSICAL_ELEPHANT was v2.1.284, 28 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.

ReleaseDateThe span that was quoted
v2.1.28428 Sep 2026CLAUDE_CODE_WHIMSICAL_ELEPHANT

Presence across releases

1
BuildsHow manyDatesReading
v2.1.2841 build28 Sep 2026 ◆in the build

Build by build

1

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.

BuildDateStateThe record behind it
v2.1.28428 Sep 2026·addedverdict: added · triBool

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.

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