{"name":"tengu_willow_prism","slug":"tengu-willow-prism","family":"flag","title":"Feature flags","noun":"feature flag","description":"Default `false`. Turns on the Agent tool's cost steer for `pro` subscribers when `CLAUDE_CODE_AGENT_COST_STEER` is neither a true nor a false value: the Agent tool prompt gains the paragraph `**Do not spawn agents unless the user asks.**` and drops the bullet about launching several agents in one message, and the initial agent listing omits its concurrency note.","description_source":"code","described_by":{"bundle":"2.1.139","author":"claude-opus-5-5"},"presence":{"first_seen":"2.1.138","removed_in":"2.1.140","in_current_build":false,"newest_mined":"2.1.309","builds":2,"mined_builds":150,"first_cited":null},"aliases":[],"entries":[],"entries_total":0,"docs":[],"docs_total":0,"gates":[],"related":[{"name":"tengu_willow_crate","slug":"tengu-willow-crate","description":"Opening the diff panel records one event with your terminal width bucket."},{"name":"tengu_willow_mode","slug":"tengu-willow-mode","description":null},{"name":"tengu_willow_tern","slug":"tengu-willow-tern","description":"A writing-style prompt block can be forced on with an environment variable; otherwise it stays off."},{"name":"tengu_willow_tern_applied","slug":"tengu-willow-tern-applied","description":"A writing-style prompt block can be forced on with an environment variable; otherwise it stays off."}],"url":"https:\/\/changelogs.core-directive.com\/reference\/flag\/tengu-willow-prism","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}