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Sweep 28 Aug 2026 · 16:06Z Build v2.1.251 479 read Stable v2.1.236 Latest v2.1.251 Next v2.1.251 Feeds RSS JSON llms.txt

DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

Reference / Environment variables

CLAUDE_CODE_MANAGED_SETTINGS_PATH

A Claude Code environment variable, read out of the shipped bundle. It has been in the build since v2.1.160, including the newest one read.

What it is

Admin and managed settings now merge their env blocks instead of one replacing the other; you can opt out.

Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.223.

Presence across releases

ReleasesReadingDeclared typeDefault
2.1.245 – 2.1.251 6 releases never mined — —
2.1.160 – 2.1.243 75 releases in the build str —

A row reading never mined is a release with no archived bundle behind it. Nothing was read out of it, so nothing here says whether the name was in it. A declared type or a default is only ever what that release's own bundle stated.

Changelog entries naming it

  1. v2.1.246An empty managed-settings tier can come from a host attestation

    Claude Code can skip reading policy settings from disk when the host says there are none.

    named in this entry

  2. v2.1.223Admin settings tiers now union their env blocks, with an opt-out

    Admin and managed settings now merge their env blocks instead of one replacing the other; you can opt out.

    named in this entry

Documentation pages

None of Anthropic's documentation pages this site has a copy of carries this name.

Names beside it

Every environment variable in the inventory starting claude_code, up to twelve of them.

CLAUDE_CODE_3P_PROBE_WROTE_OPUS_DEFAULTNo description from anybody. 2.1.207 CLAUDE_CODE_3P_PROBE_WROTE_SONNET_DEFAULTNo description from anybody. 2.1.207 CLAUDE_CODE_ACCESSIBILITYSet to 1 to keep the native terminal cursor visible and disable the inverted-text cursor indicator. Allows screen magnifiers like macOS Zoom to track cursor position 2.1.138 CLAUDE_CODE_ACCOUNT_TAGGED_IDNo description from anybody. 2.1.138 CLAUDE_CODE_ACCOUNT_UUIDThe device bridge is skipped entirely when the host's account UUID doesn't match the stored one. 2.1.138 CLAUDE_CODE_ACT_DONT_REDERIVEThree existing feature gates moved position; their defaults are unchanged. 2.1.162 CLAUDE_CODE_ACTIONNo description from anybody. 2.1.138 CLAUDE_CODE_ADDITIONAL_DIRECTORIES_CLAUDE_MDSet to 1 to load memory files from directories specified with --add-dir. Loads CLAUDE.md, .claude/CLAUDE.md, .claude/rules/*.md, and CLAUDE.local.md. By default, additional directories do not load memory files 2.1.138 CLAUDE_CODE_ADDITIONAL_PROTECTIONNo description from anybody. 2.1.138 CLAUDE_CODE_ADOPT_UNDERIVABLE_PARKED_PERMISSIONA resumed headless session could hand you back a permission prompt left unanswered, but three variables must be set. 2.1.238 CLAUDE_CODE_AGENTNo description from anybody. 2.1.138 CLAUDE_CODE_AGENT_COST_STEERNo description from anybody. 2.1.138

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.