{"version":"2.1.280","anchor":"new-safety-monitor-cancellation-message-for-tool-calls","canonical_anchor":"new-safety-monitor-cancellation-message-for-tool-calls","heading":"New safety-monitor cancellation message for tool calls","tier":"notice","area":"Permissions","url":"https:\/\/changelogs.core-directive.com\/v\/2.1.280\/e\/new-safety-monitor-cancellation-message-for-tool-calls","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.280","markdown":"### New safety-monitor cancellation message for tool calls\n\nNew message explains when a safety monitor cancels a tool call mid-turn\n\n**What**\n\nClaude Code now shows a specific message when a tool call is cancelled partway through by a safety monitor: \"A safety monitor blocked this turn, so this tool call was cancelled. If it had already started, some of its effects may have happened.\" A new helper also detects this specific type of API error.\n\n**Why**\n\nThis gives users and Claude a clear, specific explanation when a safety monitor interrupts a tool call, including the important warning that some effects of the cancelled call may already have taken place.\n\n- Area: Permissions\n- Tier: You'll notice\n- Useful: 2\/5\n- Signal: 2\/5"}