{"name":"CLAUDE_CODE_CARVED_SLATE","slug":"claude-code-carved-slate","family":"env","title":"Environment variables","noun":"environment variable","description":"A mode keeps the system prompt static and moves environment details into conversation reminders, off by default.","description_source":"entry","described_by":{"version":"2.1.251","anchor":"a-stripped-down-system-prompt-mode-off-in-this-build"},"presence":{"first_seen":"2.1.251","removed_in":"2.1.268","in_current_build":false,"newest_mined":"2.1.280","builds":11,"mined_builds":123,"first_cited":{"version":"2.1.251","released_at":"2026-08-28 15:34:26","spans":1}},"aliases":[],"entries":[{"version":"2.1.252","anchor":"new-instructionfiles-context-channel-gated-behind-carved","heading":"New \"instructionFiles\" context channel, gated behind carved-slate flag","line":"A separate instruction-files context channel exists but is off by default, part of a static system prompt rework.","released_at":"2026-08-31 17:07:28","reason":"named in this entry, found in this entry's text"},{"version":"2.1.251","anchor":"a-stripped-down-system-prompt-mode-off-in-this-build","heading":"A stripped-down system prompt mode, off in this build","line":"A mode keeps the system prompt static and moves environment details into conversation reminders, off by default.","released_at":"2026-08-28 15:34:26","reason":"named in this entry, found in this entry's text"}],"entries_total":2,"docs":[],"docs_total":0,"gates":[],"related":[{"name":"CLAUDE_CODE_3P_PROBE_WROTE_OPUS_DEFAULT","slug":"claude-code-3p-probe-wrote-opus-default","description":null},{"name":"CLAUDE_CODE_3P_PROBE_WROTE_SONNET_DEFAULT","slug":"claude-code-3p-probe-wrote-sonnet-default","description":null},{"name":"CLAUDE_CODE_ACCESSIBILITY","slug":"claude-code-accessibility","description":"Set 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"},{"name":"CLAUDE_CODE_ACCOUNT_TAGGED_ID","slug":"claude-code-account-tagged-id","description":null},{"name":"CLAUDE_CODE_ACCOUNT_UUID","slug":"claude-code-account-uuid","description":"The device bridge is skipped entirely when the host's account UUID doesn't match the stored one."},{"name":"CLAUDE_CODE_ACT_DONT_REDERIVE","slug":"claude-code-act-dont-rederive","description":"Three existing feature gates moved position; their defaults are unchanged."},{"name":"CLAUDE_CODE_ACTION","slug":"claude-code-action","description":null},{"name":"CLAUDE_CODE_ADDITIONAL_DIRECTORIES_CLAUDE_MD","slug":"claude-code-additional-directories-claude-md","description":"Set 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"},{"name":"CLAUDE_CODE_ADDITIONAL_PROTECTION","slug":"claude-code-additional-protection","description":null},{"name":"CLAUDE_CODE_ADOPT_UNDERIVABLE_PARKED_PERMISSION","slug":"claude-code-adopt-underivable-parked-permission","description":"A resumed headless session could hand you back a permission prompt left unanswered, but three variables must be set."}],"url":"https:\/\/changelogs.core-directive.com\/reference\/env\/claude-code-carved-slate","family_url":"https:\/\/changelogs.core-directive.com\/reference\/env.json"}