{"version":"2.1.288","anchor":"brief-tool-refuses-attachments-at-call-time-plugin-settings","canonical_anchor":"brief-tool-refuses-attachments-at-call-time-plugin-settings","heading":"Brief tool rechecks attachments, and untrusted-folder agents are skipped","tier":"notice","area":"Agent Tools","scope":"individual","heads_up":false,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.288\/e\/brief-tool-refuses-attachments-at-call-time-plugin-settings","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.288","markdown":"### Brief tool rechecks attachments, and untrusted-folder agents are skipped\n\nThe Brief tool rechecks attachments when it runs, and agent definitions from untrusted folders are now skipped entirely\n\n**Unclear.** Whether the skipping of untrusted-folder agent definitions is reachable in this build is not known.\n\n**What**\n\nSeveral small checks are tighter:\n\n- The Brief tool now checks its attachments again at the moment it runs, not only beforehand, and refuses any that fail.\n\n- Settings that come from plugins are dropped, with a note in the log, when no enabled plugin supplies any.\n\n- Agent definitions (descriptions of helper agents Claude can hand work to) found in a folder you have not marked as trusted are now skipped as a whole. Before, only their hooks were skipped.\n\n**Why**\n\nThese close small gaps where an attachment or an untrusted agent definition could slip through.\n\n- Area: Agent Tools\n- Tier: You'll notice\n- Useful: 1\/5\n- Signal: 1\/5\n- Scope: individual\n- Heads-up: no"}