{"profile_id":"uai.client.multi-agent-runtime.v1","record_code":"UAI-CAP-0008","title":"UAI Multi-Agent Runtime Client v1","summary":"L5 client capability profile for external multi-agent runtimes that coordinate agents while UAIX remains the reviewed record, trust, memory, evidence, and handoff boundary.","expected_status":"pass","message":{"uai_version":"1.0","profile":"uai.client.multi-agent-runtime.v1","message_id":"msg_uaix_client_multi_agent_runtime_0001","source":{"type":"service","id":"svc_uaix.publisher","label":"UAIX Standards Publisher","uri":"https:\/\/uaix.org\/","role":"standard-publisher","project":"uaix.org"},"target":{"type":"runtime","id":"runtime_multi.agent","label":"Multi-Agent Runtime Client","uri":"https:\/\/example.invalid\/multi-agent-runtime","role":"multi-agent-runtime-client","project":"example-client"},"conversation":{"conversation_id":"conv_20260531_multi_agent_runtime","turn_id":"turn_001","parent_message_id":"none","correlation_id":"corr_20260531_multi_agent_runtime","traceparent":"00-99999999999999999999999999999999-0000000000000001-01","sequence":1},"delivery":{"mode":"async","priority":"interactive","expires_at":"2030-12-31T23:59:00Z","reply_requested":true,"ack_required":true,"idempotency_key":"idem_20260531_multi_agent_runtime_0001","retry_count":0,"sequence":1,"lifecycle":"accepted","timeout_ms":900000,"fallback_directive":"Coordinate only inside the external runtime and keep UAIX records as reviewed handoff and evidence boundaries."},"trust":{"channel":"credentialed","auth_scheme":"oauth-reference","principal":"https:\/\/example.invalid\/multi-agent-runtime","credential_ref":"https:\/\/example.invalid\/credentials\/reference-only","replay_window_id":"rw-uaix-multi-agent-runtime-20260531"},"body":{"client_level":"L5","client_name":"Multi-Agent Runtime","can_fetch_static":true,"can_fetch_json":true,"can_execute_javascript":true,"can_use_browser_ui":true,"can_post_data":true,"can_authenticate":true,"can_call_tools":true,"can_run_long_tasks":true,"can_store_memory":true,"can_coordinate_agents":true,"requires_human_consent_for":["authentication","tool_call","public_posting","destructive_action","memory_write","memory_promotion","agent_coordination"],"recommended_uaix_profiles":["uai.client.multi-agent-runtime.v1","uai.agent.message.v1","uai.agent.ack.v1","uai.agent.task-status.v1","uai.agent.memory-proposal.v1","uai.agent.handoff.v1","uai.agent.final-report.v1"],"fallback_behavior":"Downgrade to workflow-agent records when coordination or memory review is unavailable; return blockers for unapproved memory writes or public posting.","known_limits":["UAIX does not execute the runtime","Memory writes require proposal and review","Agent coordination requires external runtime evidence and human consent"],"evidence_requirements":["correlation ID","idempotency key","agent handoff records","memory proposal records","task status records","final report"],"safe_default_response":"Prepare the coordination packet, require external-runtime execution evidence, and block memory or public actions until reviewed consent exists.","support_boundary":"Agent runtimes execute. 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