{"version":"2.1.311","anchor":"tool-usage-recorded-per-turnsession-toolsused-tools-used","canonical_anchor":"tool-usage-recorded-per-turnsession-toolsused-tools-used","heading":"Results and saved sessions now record which tools were used","tier":"notice","area":"SDK","scope":"individual","heads_up":false,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.311\/e\/tool-usage-recorded-per-turnsession-toolsused-tools-used","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.311","markdown":"### Results and saved sessions now record which tools were used\n\nResults now include a list of the tools used when there were any, and saved sessions keep a record of tool usage\n\n**What**\n\nA tool is an action Claude can take, such as reading a file or running a command. Results now carry a list of the tools that were used, whenever that list is not empty.\n\nThe saved record of a session now has a new kind of entry for tools used. When there are several such entries, the most recent one wins.\n\n**Why**\n\nSession records and results now include data about which tools were used.\n\n- Area: SDK\n- Tier: You'll notice\n- Useful: 2\/5\n- Signal: 2\/5\n- Scope: individual\n- Heads-up: no"}