diff --git a/agents/src/voice/index.ts b/agents/src/voice/index.ts
index 3507ef19a..decd22bbc 100644
--- a/agents/src/voice/index.ts
+++ b/agents/src/voice/index.ts
@@ -6,5 +6,6 @@ export { AgentSession, type AgentSessionOptions } from './agent_session.js';
 export * from './avatar/index.js';
 export * from './background_audio.js';
 export * from './events.js';
+export * from './report.js';
 export * from './room_io/index.js';
 export { RunContext } from './run_context.js';
diff --git a/agents/src/voice/report.ts b/agents/src/voice/report.ts
new file mode 100644
index 000000000..1580df29e
--- /dev/null
+++ b/agents/src/voice/report.ts
@@ -0,0 +1,72 @@
+// SPDX-FileCopyrightText: 2025 LiveKit, Inc.
+//
+// SPDX-License-Identifier: Apache-2.0
+import type { ChatContext } from '../llm/chat_context.js';
+import type { VoiceOptions } from './agent_session.js';
+import type { AgentEvent } from './events.js';
+
+export interface SessionReport {
+  jobId: string;
+  roomId: string;
+  room: string;
+  options: VoiceOptions;
+  events: AgentEvent[];
+  chatHistory: ChatContext;
+  enableUserDataTraining: boolean;
+  timestamp: number;
+}
+
+export interface SessionReportOptions {
+  jobId: string;
+  roomId: string;
+  room: string;
+  options: VoiceOptions;
+  events: AgentEvent[];
+  chatHistory: ChatContext;
+  enableUserDataTraining?: boolean;
+  timestamp?: number;
+}
+
+export function createSessionReport(opts: SessionReportOptions): SessionReport {
+  return {
+    jobId: opts.jobId,
+    roomId: opts.roomId,
+    room: opts.room,
+    options: opts.options,
+    events: opts.events,
+    chatHistory: opts.chatHistory,
+    enableUserDataTraining: opts.enableUserDataTraining ?? false,
+    timestamp: opts.timestamp ?? Date.now(),
+  };
+}
+
+export function sessionReportToJSON(report: SessionReport): Record<string, unknown> {
+  const events: Record<string, unknown>[] = [];
+
+  for (const event of report.events) {
+    if (event.type === 'metrics_collected') {
+      continue; // metrics are too noisy, Cloud is using the chat_history as the source of truth
+    }
+
+    events.push({ ...event });
+  }
+
+  return {
+    job_id: report.jobId,
+    room_id: report.roomId,
+    room: report.room,
+    events,
+    options: {
+      allow_interruptions: report.options.allowInterruptions,
+      discard_audio_if_uninterruptible: report.options.discardAudioIfUninterruptible,
+      min_interruption_duration: report.options.minInterruptionDuration,
+      min_interruption_words: report.options.minInterruptionWords,
+      min_endpointing_delay: report.options.minEndpointingDelay,
+      max_endpointing_delay: report.options.maxEndpointingDelay,
+      max_tool_steps: report.options.maxToolSteps,
+    },
+    chat_history: report.chatHistory.toJSON({ excludeTimestamp: false }),
+    enable_user_data_training: report.enableUserDataTraining,
+    timestamp: report.timestamp,
+  };
+}