diff --git a/packages/agent/src/prototyping/clients/dwn-rpc-types.ts b/packages/agent/src/prototyping/clients/dwn-rpc-types.ts
index 1371a8f98..4eff6fb9b 100644
--- a/packages/agent/src/prototyping/clients/dwn-rpc-types.ts
+++ b/packages/agent/src/prototyping/clients/dwn-rpc-types.ts
@@ -7,34 +7,49 @@ export interface SerializableDwnMessage {
 export type DwnEventSubscriptionHandler = (event: MessageEvent) => void;
 
 /**
- * Interface that can be implemented to communicate with
- * {@link https://github.com/TBD54566975/dwn-server | DWN Servers} via JSON-RPC.
+ * Interface for communicating with {@link https://github.com/TBD54566975/dwn-server | DWN Servers}
+ * via JSON-RPC, supporting operations like sending DWN requests.
  */
 export interface DwnRpc {
   /**
-   * TODO: add jsdoc
+   * Lists the transport protocols supported by the DWN RPC client, such as HTTP or HTTPS.
+   * @returns An array of strings representing the supported transport protocols.
    */
   get transportProtocols(): string[]
 
   /**
-   * TODO: add jsdoc
-   * @param request
+   * Sends a request to a DWN Server using the specified DWN RPC request parameters.
+   *
+   * @param request - The DWN RPC request containing the URL, target DID, message, and optional data.
+   * @returns A promise that resolves to the response from the DWN server.
    */
   sendDwnRequest(request: DwnRpcRequest): Promise<DwnRpcResponse>
 }
 
+
 /**
- * TODO: add jsdoc
+ * Represents a JSON RPC request to a DWN server, including the URL, target DID, the message to be
+ * processed, and optional data.
  */
 export type DwnRpcRequest = {
+  /** Optional data to be sent with the request. */
   data?: any;
-  subscriptionHandler?: DwnEventSubscriptionHandler;
+
+  /** The URL of the DWN server to which the request is sent. */
   dwnUrl: string;
+
+  /** The message to be processed by the DWN server, which can be a serializable DWN message. */
   message: SerializableDwnMessage | any;
+
+  /** The DID of the target to which the message is addressed. */
   targetDid: string;
+
+  /** Optional subscription handler for DWN events. */
+  subscriptionHandler?: DwnEventSubscriptionHandler;
 }
 
 /**
- * TODO: add jsdoc
+ * Represents the JSON RPC response from a DWN server to a request, combining the results of various
+ * DWN operations.
  */
 export type DwnRpcResponse = UnionMessageReply & RecordsReadReply;
\ No newline at end of file
diff --git a/packages/agent/src/rpc-client.ts b/packages/agent/src/rpc-client.ts
index 34efb0d65..25c479c1c 100644
--- a/packages/agent/src/rpc-client.ts
+++ b/packages/agent/src/rpc-client.ts
@@ -1,10 +1,12 @@
 import { utils as cryptoUtils } from '@web5/crypto';
-import { RecordsReadReply, UnionMessageReply } from '@tbd54566975/dwn-sdk-js';
 
 
+import type { DwnRpc, DwnRpcRequest, DwnRpcResponse } from './prototyping/clients/dwn-rpc-types.js';
+import type { JsonRpcResponse } from './prototyping/clients/json-rpc.js';
+
+import { createJsonRpcRequest } from './prototyping/clients/json-rpc.js';
 import { HttpDwnRpcClient } from './prototyping/clients/http-dwn-rpc-client.js';
 import { WebSocketDwnRpcClient } from './prototyping/clients/web-socket-clients.js';
-import { JsonRpcResponse, createJsonRpcRequest } from './prototyping/clients/json-rpc.js';
 
 /**
  * Interface that can be implemented to communicate with {@link Web5Agent | Web5 Agent}
@@ -32,60 +34,11 @@ export type DidRpcResponse = {
   status: RpcStatus;
 }
 
-/**
- * Interface for communicating with {@link https://github.com/TBD54566975/dwn-server | DWN Servers}
- * via JSON-RPC, supporting operations like sending DWN requests.
- */
-export interface DwnRpc {
-  /**
-   * Lists the transport protocols supported by the DWN RPC client, such as HTTP or HTTPS.
-   * @returns An array of strings representing the supported transport protocols.
-   */
-  get transportProtocols(): string[]
-
-  /**
-   * Sends a request to a DWN Server using the specified DWN RPC request parameters.
-   *
-   * @param request - The DWN RPC request containing the URL, target DID, message, and optional data.
-   * @returns A promise that resolves to the response from the DWN server.
-   */
-  sendDwnRequest(request: DwnRpcRequest): Promise<DwnRpcResponse>
-}
-
-
-/**
- * Represents a JSON RPC request to a DWN server, including the URL, target DID, the message to be
- * processed, and optional data.
- */
-export type DwnRpcRequest = {
-  /** Optional data to be sent with the request. */
-  data?: any;
-
-  /** The URL of the DWN server to which the request is sent. */
-  dwnUrl: string;
-
-  /** The message to be processed by the DWN server, which can be a serializable DWN message. */
-  message: SerializableDwnMessage | any;
-
-  /** The DID of the target to which the message is addressed. */
-  targetDid: string;
-}
-
-/**
- * Represents the JSON RPC response from a DWN server to a request, combining the results of various
- * DWN operations.
- */
-export type DwnRpcResponse = UnionMessageReply & RecordsReadReply;
-
 export type RpcStatus = {
   code: number;
   message: string;
 };
 
-export interface SerializableDwnMessage {
-  toJSON(): string;
-}
-
 export interface Web5Rpc extends DwnRpc, DidRpc {}
 
 /**