{"name":"CLAUDE_CODE_HOVER_REST","slug":"claude-code-hover-rest","family":"env","title":"Environment variables","noun":"environment variable","description":"Plaintext credential reads could come from memory instead of the file, but only under off-by-default storage.","description_source":"entry","described_by":{"version":"2.1.238","anchor":"plaintext-credential-store-gained-an-in-process-cache"},"presence":{"first_seen":"2.1.238","removed_in":null,"in_current_build":true,"newest_mined":"2.1.309","builds":61,"mined_builds":150,"first_cited":{"version":"2.1.238","released_at":"2026-08-20 18:01:54","spans":3}},"aliases":[],"entries":[{"version":"2.1.304","anchor":"tengu-hover-rest-gates-storage-backend-transcript-and-mailbo","heading":"Teammate mailboxes in diskless sessions now explain why nothing was read or written","line":"When a diskless session has no storage for teammate messages, Claude Code now logs that nothing was read or written and lists the likely causes","released_at":"2026-10-19 19:47:15","reason":"found in this entry's text"},{"version":"2.1.299","anchor":"headless-config-read-fails-closed-in-diskless-claude-code-h","heading":"Diskless sessions no longer fall back to reading config from local disk","line":"With `CLAUDE_CODE_HOVER_REST` on, a diskless session loads config only from its storage service, uses defaults if that fails, and skips backups","released_at":"2026-10-14 00:23:19","reason":"found in this entry's text, named in this entry"},{"version":"2.1.248","anchor":"an-in-memory-storage-backend-is-bundled-but-off-by-default","heading":"An in-memory storage backend is bundled but off by default","line":"A full in-memory storage backend ships, off unless you set an environment variable.","released_at":"2026-08-27 20:35:36","reason":"named in this entry, found in this entry's text"},{"version":"2.1.248","anchor":"a-memory-only-config-write-mode-exists-and-nothing-in-this-b","heading":"A memory-only config write mode exists, and nothing in this build turns it on","line":"Config can save to memory only, but nothing in this build enables that mode.","released_at":"2026-08-27 20:35:36","reason":"found in this entry's text"},{"version":"2.1.242","anchor":"on-disk-storage-layer-gains-symlink-and-permission-rules-per","heading":"On-disk storage layer gains symlink and permission rules per data type","line":"Where Claude Code stores your data gains per-type symlink and file-permission rules, off by default.","released_at":"2026-08-24 19:16:14","reason":"named in this entry, found in this entry's text"},{"version":"2.1.238","anchor":"plaintext-credential-store-gained-an-in-process-cache","heading":"Plaintext credential store gained an in-process cache","line":"Plaintext credential reads could come from memory instead of the file, but only under off-by-default storage.","released_at":"2026-08-20 18:01:54","reason":"named in this entry, found in this entry's text"},{"version":"2.1.238","anchor":"a-second-plugin-asset-cache-cleaner-exists-switched-off-in-t","heading":"A second plugin asset-cache cleaner exists, switched off in this build","line":"An alternative plugin cache cleaner exists, but you still get the old file-timestamp scan.","released_at":"2026-08-20 18:01:54","reason":"named in this entry, found in this entry's text"},{"version":"2.1.238","anchor":"claude-code-hover-rest-gives-a-local-override-for-the-new-cr","heading":"CLAUDE_CODE_HOVER_REST gives a local override for the new credential and settings storage","line":"You can pin the new credential and settings storage backend yourself with one environment variable.","released_at":"2026-08-20 18:01:54","reason":"named in this entry, found in this entry's text"},{"version":"2.1.238","anchor":"the-v5-storage-choice-reads-the-environment-variable-first","heading":"The v5 storage choice reads the environment variable first","line":"An environment variable now takes priority over the server flag when picking the new storage backend.","released_at":"2026-08-20 18:01:54","reason":"named in this entry, found in this entry's text"}],"entries_total":9,"docs":[],"docs_total":0,"gates":[],"related":[{"name":"CLAUDE_CODE_3P_PROBE_WROTE_HAIKU_DEFAULT","slug":"claude-code-3p-probe-wrote-haiku-default","description":"If your cloud account cannot use a model, Claude Code can step down to the next one; `CLAUDE_CODE_DISABLE_MODEL_ACCESS_FALLBACK` turns this off"},{"name":"CLAUDE_CODE_3P_PROBE_WROTE_OPUS_DEFAULT","slug":"claude-code-3p-probe-wrote-opus-default","description":"Internal marker on third-party providers. When Claude Code itself writes `ANTHROPIC_DEFAULT_OPUS_MODEL` into its environment (the model availability probe on Bedrock, Vertex or Mantle, or a move down the model fallback ladder), it sets this variable to the same model ID. An `ANTHROPIC_DEFAULT_OPUS_MODEL` equal to it is treated as Claude Code's own choice rather than a user pin: it does not count as pinned, the probe does not skip it, and the fallback ladder may move it."},{"name":"CLAUDE_CODE_3P_PROBE_WROTE_SONNET_DEFAULT","slug":"claude-code-3p-probe-wrote-sonnet-default","description":"On third-party providers, Haiku model names are no longer skipped by the check that sets up the Sonnet default model"},{"name":"CLAUDE_CODE_3P_SEEDED_OPUS_DEFAULT","slug":"claude-code-3p-seeded-opus-default","description":"If your cloud account cannot use a model, Claude Code can step down to the next one; `CLAUDE_CODE_DISABLE_MODEL_ACCESS_FALLBACK` turns this off"},{"name":"CLAUDE_CODE_3P_SEEDED_SONNET_DEFAULT","slug":"claude-code-3p-seeded-sonnet-default","description":"If your cloud account cannot use a model, Claude Code can step down to the next one; `CLAUDE_CODE_DISABLE_MODEL_ACCESS_FALLBACK` turns this off"},{"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":"Overrides the `user.account_id` attribute Claude Code attaches to its OpenTelemetry data. It applies only when an account UUID is known and `OTEL_METRICS_INCLUDE_ACCOUNT_UUID` is not turned off (default on); when unset or empty, `user.account_id` is derived from the account UUID as a tagged ID of the form `user_01...`."},{"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":"Marks a run as coming from the Claude Code GitHub Action. A truthy value (`1`, `true`, `yes` or `on`) makes Claude Code set `CLAUDE_CODE_ENTRYPOINT` to `claude-code-github-action`, but only when `CLAUDE_CODE_ENTRYPOINT` is not already set and the command is not `claude mcp serve`. It is also reported as `isClaudeCodeAction` in the environment details attached to telemetry."}],"url":"https:\/\/changelogs.core-directive.com\/reference\/env\/claude-code-hover-rest","family_url":"https:\/\/changelogs.core-directive.com\/reference\/env.json"}