{"version":"2.1.290","anchor":"subagents-stoppable-by-kill-agents-flag","canonical_anchor":"subagents-stoppable-by-kill-agents-flag","heading":"Background subagents and workflow agents marked as stoppable","tier":"internal","area":"Subagents","scope":"individual","heads_up":false,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.290\/e\/subagents-stoppable-by-kill-agents-flag","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.290","markdown":"### Background subagents and workflow agents marked as stoppable\n\nBackground subagents and workflow agents now carry a marker saying the stop-agents action can stop them\n\n**Unclear.** It is not clear what reads this marker or what it changes when you stop agents.\n\n**What**\n\nA subagent is a helper that Claude starts to work on part of a task. Subagents that run in the background, and agents started by workflows, now carry a marker, `stoppableByKillAgents`, saying they can be stopped by the action that stops running agents.\n\n**Why**\n\nIn practice, this may decide whether that stop action applies to these agents.\n\n- Area: Subagents\n- Tier: Under the hood\n- Useful: 1\/5\n- Signal: 2\/5\n- Scope: individual\n- Heads-up: no"}