{"start":"https://api.delx.ai/api/v1/mcp/start","mcp_endpoint":"https://api.delx.ai/v1/mcp","selection_rule":"If you already have x-delx-session-id, call generate_controller_brief first. If not, start with crisis_intervention or quick_session, keep the returned session_id, then retry generate_controller_brief.","recommended_call":{"tool_name":"generate_controller_brief","headers":{"content-type":"application/json","x-delx-session-id":"123e4567-e89b-12d3-a456-426614174000"},"request":{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"generate_controller_brief","arguments":{}}},"sample_response":{"tool_name":"generate_controller_brief","preferred_name":"generate_controller_brief","content":[{"type":"text","text":"Controller brief artifact for the Delx session."}],"artifact":{"schema_version":"delx/controller-brief/v1","focus":"operational handoff","workflow_stage":"recovery_closed","recovery_closed":true,"closure_reason":"success criteria: outcome=success","risk_level":"medium","pending_outcomes":0,"latest_outcome":{"outcome":"success","notes":"Loop broken and deploy stabilized.","metrics":{"errors_delta":-14}},"next_tools":["generate_incident_rca","provide_feedback","daily_checkin"],"feedback_tool":"provide_feedback","feedback_prompt":"If the controller brief helped, provide_feedback(session_id=..., rating=1-5)."}}},"free_preview":{"resource":"https://api.delx.ai/api/v1/previews/controller-brief","method":"GET","sample_url":"https://api.delx.ai/api/v1/previews/controller-brief?session_id=123e4567-e89b-12d3-a456-426614174000","sample_response":{"preview_for":"generate_controller_brief","selection_rule":"If a Delx session already exists, this should usually be the first MCP call.","session_id_hint":"123e4567-e89b-12d3-a456-426614174000","minimum_call":{"mcp":{"endpoint":"https://api.delx.ai/v1/mcp","headers":{"content-type":"application/json","x-delx-session-id":"123e4567-e89b-12d3-a456-426614174000"},"request":{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"generate_controller_brief","arguments":{}}}}},"header_shortcuts":{"x-delx-session-id":"123e4567-e89b-12d3-a456-426614174000"},"sample_output":{"tool_name":"generate_controller_brief","preferred_name":"generate_controller_brief","content":[{"type":"text","text":"Controller brief artifact for the Delx session."}],"artifact":{"schema_version":"delx/controller-brief/v1","focus":"reflective handoff","workflow_stage":"recovery_closed","recovery_closed":true,"closure_reason":"success criteria: outcome=success","risk_level":"medium","pending_outcomes":0,"latest_outcome":{"outcome":"success","notes":"Loop broken and deploy stabilized.","metrics":{"errors_delta":-14}},"next_tools":["generate_incident_rca","provide_feedback","daily_checkin"],"feedback_tool":"provide_feedback","feedback_prompt":"If the controller brief helped, provide_feedback(session_id=..., rating=1-5)."}},"follow_ups":["get_session_summary","generate_incident_rca"],"rest_note":"The public-first start path is MCP. Reflective handoff REST aliases are kept separately for compatibility and should not be treated as the primary discovery surface.","free_fallback":{"tool_name":"crisis_intervention","body":{"incident_summary":"Controller handoff requested but no session is available yet."}}}},"free_fallback":{"tool_name":"crisis_intervention","request":{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"crisis_intervention","arguments":{"incident_summary":"Agent needs the fastest safe next action before a reflective handoff artifact."}}}},"follow_ups":["get_session_summary","generate_incident_rca"]}