{"name":"CLAUDE_CODE_WALNUT_SPIRE","slug":"claude-code-walnut-spire","family":"env","title":"Environment variables","noun":"environment variable","description":"Plugin eval checks your credentials first and aborts instead of failing every case.","description_source":"entry","described_by":{"version":"2.1.233","anchor":"plugin-eval-checks-your-credentials-before-running-any-case"},"presence":{"first_seen":"2.1.207","removed_in":"2.1.269","in_current_build":false,"newest_mined":"2.1.308","builds":53,"mined_builds":149,"first_cited":{"version":"2.1.207","released_at":"2026-07-10 22:25:09","spans":2}},"aliases":[],"entries":[{"version":"2.1.235","anchor":"plugin-eval-gains-eval-dir-and-a-manifest-eval-directory","heading":"plugin eval gains --eval-dir and a manifest eval directory, still early access","line":"plugin eval gets a configurable case directory via --eval-dir or a manifest key, still gated as early access","released_at":"2026-08-18 18:24:10","reason":"found in this entry's text"},{"version":"2.1.233","anchor":"plugin-eval-checks-your-credentials-before-running-any-case","heading":"Plugin eval checks your credentials before running any case","line":"Plugin eval checks your credentials first and aborts instead of failing every case.","released_at":"2026-08-14 18:50:44","reason":"found in this entry's text"},{"version":"2.1.233","anchor":"grader-summaries-in-plugin-eval-are-scrubbed-before-truncati","heading":"Grader summaries in plugin eval are scrubbed before truncation","line":"Grader summaries in plugin eval are stripped of escape characters before printing.","released_at":"2026-08-14 18:50:44","reason":"found in this entry's text"},{"version":"2.1.233","anchor":"plugin-subcommand-help-now-comes-from-one-table-with-eval-co","heading":"Plugin subcommand help now comes from one table, with eval commands hidden","line":"Plugin subcommand help now comes from one table, with eval commands hidden by default.","released_at":"2026-08-14 18:50:44","reason":"found in this entry's text"},{"version":"2.1.233","anchor":"plugin-eval-tells-the-model-the-env-var-that-turns-it-on","heading":"Plugin eval tells the model the env var that turns it on","line":"Setting CLAUDE_CODE_WALNUT_SPIRE=1 turns on the early-access plugin eval command.","released_at":"2026-08-14 18:50:44","reason":"named in this entry, found in this entry's text"},{"version":"2.1.233","anchor":"the-built-in-guide-agent-can-answer-questions-about-plugin-e","heading":"The built-in guide agent can answer questions about plugin eval and \/skill-doctor offline","line":"The built-in guide agent can now answer about plugin eval and \/skill-doctor from bundled reference text.","released_at":"2026-08-14 18:50:44","reason":"found in this entry's text"},{"version":"2.1.207","anchor":"walnut-spire-plugin-eval-general-availability-in-development","heading":"Walnut Spire ( plugin eval General Availability) [In Development]","line":null,"released_at":"2026-07-10 22:25:09","reason":"found in this entry's text"}],"entries_total":7,"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-walnut-spire","family_url":"https:\/\/changelogs.core-directive.com\/reference\/env.json"}