{"version":"2.1.228","anchor":"agent-session-stream-passes-through-plain-tool-results","canonical_anchor":"agent-session-stream-passes-through-plain-tool-results","heading":"Agent session stream passes through plain tool results","tier":"internal","area":"Agents","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.228\/e\/agent-session-stream-passes-through-plain-tool-results","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.228","markdown":"### Agent session stream passes through plain tool results\n\nManaged agent sessions now pass through plain tool results, not just custom tool events.\n\n**What**\n\nThe event filter on the managed agent session stream now accepts `user.tool_result` alongside the custom tool result events it already allowed, and the session tool runner emits and reads that shape when reporting results from non-custom tools.\n\n**Evidence**\n\n`\"user.tool_result\"`\n\n- Area: Agents\n- Tier: Under the hood\n- Useful: 2\/5\n- Signal: 2\/5"}