diff --git a/packages/core/src/client/actions/rpc.ts b/packages/core/src/client/actions/rpc.ts
index 0e3948d3..28d31474 100644
--- a/packages/core/src/client/actions/rpc.ts
+++ b/packages/core/src/client/actions/rpc.ts
@@ -103,6 +103,11 @@ export interface ListAgentsResult {
   agents: { id: string; closed: boolean }[];
 }
 
+/** listConversations - no params needed (conversation-first alias of listAgents) */
+export interface ListConversationsResult {
+  conversations: { id: string; closed: boolean }[];
+}
+
 /** createAgent - request params */
 export interface CreateAgentParams {
   id?: string;
@@ -113,6 +118,16 @@ export interface CreateAgentResult {
   id: string;
 }
 
+/** createConversation - request params (conversation-first alias of createAgent) */
+export interface CreateConversationParams {
+  id?: string;
+}
+
+/** createConversation - response payload */
+export interface CreateConversationResult {
+  id: string;
+}
+
 /** deleteAgent - request params */
 export interface DeleteAgentParams {
   id: string;
@@ -123,6 +138,16 @@ export interface DeleteAgentResult {
   ok: boolean;
 }
 
+/** deleteConversation - request params (conversation-first alias of deleteAgent) */
+export interface DeleteConversationParams {
+  id: string;
+}
+
+/** deleteConversation - response payload */
+export interface DeleteConversationResult {
+  ok: boolean;
+}
+
 /** updateGateway - request params */
 export interface UpdateGatewayParams {
   url: string;
diff --git a/packages/core/src/hub/hub.ts b/packages/core/src/hub/hub.ts
index 9d838b2c..e5312626 100644
--- a/packages/core/src/hub/hub.ts
+++ b/packages/core/src/hub/hub.ts
@@ -24,6 +24,9 @@ import { createGetHubInfoHandler } from "./rpc/handlers/get-hub-info.js";
 import { createListAgentsHandler } from "./rpc/handlers/list-agents.js";
 import { createCreateAgentHandler } from "./rpc/handlers/create-agent.js";
 import { createDeleteAgentHandler } from "./rpc/handlers/delete-agent.js";
+import { createListConversationsHandler } from "./rpc/handlers/list-conversations.js";
+import { createCreateConversationHandler } from "./rpc/handlers/create-conversation.js";
+import { createDeleteConversationHandler } from "./rpc/handlers/delete-conversation.js";
 import { createUpdateGatewayHandler } from "./rpc/handlers/update-gateway.js";
 import { createGetLastHeartbeatHandler } from "./rpc/handlers/get-last-heartbeat.js";
 import { createSetHeartbeatsHandler } from "./rpc/handlers/set-heartbeats.js";
@@ -123,6 +126,9 @@ export class Hub {
     this.rpc.register("listAgents", createListAgentsHandler(this));
     this.rpc.register("createAgent", createCreateAgentHandler(this));
     this.rpc.register("deleteAgent", createDeleteAgentHandler(this));
+    this.rpc.register("listConversations", createListConversationsHandler(this));
+    this.rpc.register("createConversation", createCreateConversationHandler(this));
+    this.rpc.register("deleteConversation", createDeleteConversationHandler(this));
     this.rpc.register("updateGateway", createUpdateGatewayHandler(this));
     this.rpc.register("last-heartbeat", createGetLastHeartbeatHandler(this));
     this.rpc.register("set-heartbeats", createSetHeartbeatsHandler(this));
diff --git a/packages/core/src/hub/rpc/handlers/create-conversation.ts b/packages/core/src/hub/rpc/handlers/create-conversation.ts
new file mode 100644
index 00000000..15a570ab
--- /dev/null
+++ b/packages/core/src/hub/rpc/handlers/create-conversation.ts
@@ -0,0 +1,13 @@
+import type { RpcHandler } from "../dispatcher.js";
+
+interface HubLike {
+  createConversation(id?: string): { sessionId: string };
+}
+
+export function createCreateConversationHandler(hub: HubLike): RpcHandler {
+  return (params: unknown) => {
+    const { id } = (params ?? {}) as { id?: string };
+    const conversation = hub.createConversation(id);
+    return { id: conversation.sessionId };
+  };
+}
diff --git a/packages/core/src/hub/rpc/handlers/delete-conversation.ts b/packages/core/src/hub/rpc/handlers/delete-conversation.ts
new file mode 100644
index 00000000..ecc93f8d
--- /dev/null
+++ b/packages/core/src/hub/rpc/handlers/delete-conversation.ts
@@ -0,0 +1,19 @@
+import { RpcError, type RpcHandler } from "../dispatcher.js";
+
+interface HubLike {
+  closeConversation(id: string): boolean;
+}
+
+export function createDeleteConversationHandler(hub: HubLike): RpcHandler {
+  return (params: unknown) => {
+    if (!params || typeof params !== "object") {
+      throw new RpcError("INVALID_PARAMS", "params must be an object");
+    }
+    const { id } = params as { id?: string };
+    if (!id) {
+      throw new RpcError("INVALID_PARAMS", "Missing required param: id");
+    }
+    const ok = hub.closeConversation(id);
+    return { ok };
+  };
+}
diff --git a/packages/core/src/hub/rpc/handlers/list-conversations.ts b/packages/core/src/hub/rpc/handlers/list-conversations.ts
new file mode 100644
index 00000000..42508ca6
--- /dev/null
+++ b/packages/core/src/hub/rpc/handlers/list-conversations.ts
@@ -0,0 +1,16 @@
+import type { RpcHandler } from "../dispatcher.js";
+
+interface HubLike {
+  listConversations(): string[];
+  getConversation(id: string): { closed: boolean } | undefined;
+}
+
+export function createListConversationsHandler(hub: HubLike): RpcHandler {
+  return () => {
+    const conversations = hub.listConversations().map((id) => {
+      const conversation = hub.getConversation(id);
+      return { id, closed: conversation?.closed ?? true };
+    });
+    return { conversations };
+  };
+}
diff --git a/packages/sdk/src/actions/rpc.ts b/packages/sdk/src/actions/rpc.ts
index 8a665a3e..2849e655 100644
--- a/packages/sdk/src/actions/rpc.ts
+++ b/packages/sdk/src/actions/rpc.ts
@@ -112,6 +112,11 @@ export interface ListAgentsResult {
   agents: { id: string; closed: boolean }[];
 }
 
+/** listConversations - no params needed (conversation-first alias of listAgents) */
+export interface ListConversationsResult {
+  conversations: { id: string; closed: boolean }[];
+}
+
 /** createAgent - request params */
 export interface CreateAgentParams {
   id?: string;
@@ -122,6 +127,16 @@ export interface CreateAgentResult {
   id: string;
 }
 
+/** createConversation - request params (conversation-first alias of createAgent) */
+export interface CreateConversationParams {
+  id?: string;
+}
+
+/** createConversation - response payload */
+export interface CreateConversationResult {
+  id: string;
+}
+
 /** deleteAgent - request params */
 export interface DeleteAgentParams {
   id: string;
@@ -132,6 +147,16 @@ export interface DeleteAgentResult {
   ok: boolean;
 }
 
+/** deleteConversation - request params (conversation-first alias of deleteAgent) */
+export interface DeleteConversationParams {
+  id: string;
+}
+
+/** deleteConversation - response payload */
+export interface DeleteConversationResult {
+  ok: boolean;
+}
+
 /** updateGateway - request params */
 export interface UpdateGatewayParams {
   url: string;