{"name":"tengu_tool_use_success","slug":"tengu-tool-use-success","family":"flag","title":"Feature flags","noun":"feature flag","description":"Bash tool telemetry now breaks commands into class, program name, subcommand, and pipe usage, behind a beta flag","description_source":"entry","described_by":{"version":"2.1.268","anchor":"new-bash-command-classification-added-to-tool-telemetry-gat"},"presence":{"first_seen":null,"removed_in":null,"in_current_build":false,"newest_mined":"2.1.308","builds":0,"mined_builds":149,"first_cited":{"version":"2.1.302","released_at":"2026-10-16 16:48:28","spans":1}},"aliases":[],"entries":[{"version":"2.1.281","anchor":"tool-telemetry-memory-deltas-replaced-by-a-sampler-result","heading":"Tool telemetry: memory deltas replaced by a sampler; result-shape fields added","line":"Tool success and error reports now take memory figures from a sampler and add details about the shape of the tool's result","released_at":"2026-09-23 17:01:17","reason":"found in this entry's text"},{"version":"2.1.268","anchor":"new-bash-command-classification-added-to-tool-telemetry-gat","heading":"New bash-command classification added to tool telemetry, gated behind an enhanced-telemetry beta flag","line":"Bash tool telemetry now breaks commands into class, program name, subcommand, and pipe usage, behind a beta flag","released_at":"2026-09-10 18:41:11","reason":"gate cited by this entry, found in this entry's text"}],"entries_total":2,"docs":[],"docs_total":0,"gates":[],"related":[{"name":"tengu_tool_use_diff_computed","slug":"tengu-tool-use-diff-computed","description":"Writing over a very large file skips diff computation, so it no longer stalls."},{"name":"tengu_tool_use_granted_in_config","slug":"tengu-tool-use-granted-in-config","description":"An analytics event, not a feature flag. Claude Code logs it when its permission check allows a tool use without asking the user, for example through an allow rule or, in auto mode, through the classifier. It carries the tool-use metadata fields plus, for shell commands, `destructive_category`, `destructive_target_scope`, `git_destructive_target` and `permission_mode`."},{"name":"tengu_tool_use_show_permission_request","slug":"tengu-tool-use-show-permission-request","description":"Auto-mode telemetry now tags MCP tool calls with which server they connect to and whether that's ambiguous"},{"name":"tengu_tool_use_tool_result_mismatch_error","slug":"tengu-tool-use-tool-result-mismatch-error","description":"Error reports about mismatched tool calls now scrub odd identifiers instead of sending them raw."}],"url":"https:\/\/changelogs.core-directive.com\/reference\/flag\/tengu-tool-use-success","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}