{"name":"tengu_modular_marble","slug":"tengu-modular-marble","family":"flag","title":"Feature flags","noun":"feature flag","description":"Claude Code dropped four server-controlled experiment switches and added many others, nearly all off unless switched on remotely","description_source":"entry","described_by":{"version":"2.1.323","anchor":"experiment-gate-list-changed"},"presence":{"first_seen":"2.1.323","removed_in":null,"in_current_build":true,"newest_mined":"2.1.323","builds":1,"mined_builds":162,"first_cited":{"version":"2.1.323","released_at":"2026-11-12 20:29:28","spans":1}},"aliases":[],"entries":[{"version":"2.1.323","anchor":"experiment-gate-list-changed","heading":"The set of server-controlled experiments has changed","line":"Claude Code dropped four server-controlled experiment switches and added many others, nearly all off unless switched on remotely","released_at":"2026-11-12 20:29:28","reason":"gate cited by this entry, found in this entry's text"},{"version":"2.1.323","anchor":"deferred-tool-when-to-use-hints-behind-tengu-snug-nautilus","heading":"Deferred tools can come with \"when to use\" hints, behind a remote setting","line":"A remote setting can now make Claude Code add \"when to use\" hints when it tells the model about tools it has not loaded yet","released_at":"2026-11-12 20:29:28","reason":"gate cited by this entry"},{"version":"2.1.323","anchor":"dark-gates-tengu-modular-marble-and-tengu-snug-nautilus","heading":"Two new remote switches do nothing unless the server turns them on","line":"Claude Code now checks two new remote switches whose purpose is not stated, and both stay off unless the server sends a value","released_at":"2026-11-12 20:29:28","reason":"gate cited by this entry"}],"entries_total":3,"docs":[],"docs_total":0,"gates":[{"version":"2.1.323","state":"unknown","account":null,"baseline":false,"code_default":false}],"related":[{"name":"tengu_modular_mochi","slug":"tengu-modular-mochi","description":"Destructive MCP calls under remote auto mode can now be allowed by either the existing gate or a new flag."},{"name":"tengu_modular_seal","slug":"tengu-modular-seal","description":"Claude Code can now count Claude's refusals since the conversation was last summarised, behind a setting that is off by default"}],"url":"https:\/\/changelogs.core-directive.com\/reference\/flag\/tengu-modular-marble","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}