{"name":"tengu_swift_pelican","slug":"tengu-swift-pelican","family":"flag","title":"Feature flags","noun":"feature flag","description":"A new check allows an item through a built-in test, or for Anthropic API users when it appears on a list the server sends","description_source":"entry","described_by":{"version":"2.1.317","anchor":"new-tengu-swift-pelican-allowlist-check-first-party-only"},"presence":{"first_seen":"2.1.317","removed_in":null,"in_current_build":true,"newest_mined":"2.1.319","builds":3,"mined_builds":159,"first_cited":{"version":"2.1.317","released_at":"2026-11-02 23:57:53","spans":1}},"aliases":[],"entries":[{"version":"2.1.317","anchor":"new-tengu-swift-pelican-allowlist-check-first-party-only","heading":"New server-controlled allow list for Anthropic API users","line":"A new check allows an item through a built-in test, or for Anthropic API users when it appears on a list the server sends","released_at":"2026-11-02 23:57:53","reason":"gate cited by this entry"}],"entries_total":1,"docs":[],"docs_total":0,"gates":[{"version":"2.1.317","state":"unknown","account":null,"baseline":null,"code_default":null}],"related":[{"name":"tengu_swift_garden","slug":"tengu-swift-garden","description":"Default `true`. When on, opening the `\/model` picker can start an entitlement probe for the Fable model (a forced server-side validation of the model, at most `2` attempts, with the picker waiting up to `15000` ms for it), subject to further conditions such as the first-party API provider. The result is recorded as `accepted` or `refused`. `false` skips the probe."},{"name":"tengu_swift_lynx","slug":"tengu-swift-lynx","description":"A hidden new tool lets Claude open the page for a startup promotional offer"},{"name":"tengu_swift_whistle","slug":"tengu-swift-whistle","description":"Subagent report truncation accounting for a 'harness tail' section stays inert behind a flag."}],"url":"https:\/\/changelogs.core-directive.com\/reference\/flag\/tengu-swift-pelican","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}