Support MCP StreamableHTTPClientTransport (#1014)

1 files changed, 0 insertions, 97 deletions

diff --git a/packages/core/src/tools/websocket-client-transport.ts b/packages/core/src/tools/websocket-client-transport.ts
deleted file mode 100644
index ff754c0a..00000000
--- a/packages/core/src/tools/websocket-client-transport.ts
+++ /dev/null
@@ -1,97 +0,0 @@
-/**
- * @license
- * Copyright 2025 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-import WebSocket from 'ws';
-import {
-  Transport,
-  TransportSendOptions,
-} from '@modelcontextprotocol/sdk/shared/transport.js';
-import { JSONRPCMessage } from '@modelcontextprotocol/sdk/types.js';
-import { AuthInfo } from '@modelcontextprotocol/sdk/server/auth/types.js';
-
-export class WebSocketClientTransport implements Transport {
-  private socket: WebSocket | null = null;
-  onclose?: () => void;
-  onerror?: (error: Error) => void;
-  onmessage?: (
-    message: JSONRPCMessage,
-    extra?: { authInfo?: AuthInfo },
-  ) => void;
-
-  constructor(private readonly url: URL) {}
-
-  async start(): Promise<void> {
-    return new Promise((resolve, reject) => {
-      const handshakeTimeoutDuration = 10000;
-      let connectionTimeout: NodeJS.Timeout | null = null;
-
-      try {
-        this.socket = new WebSocket(this.url.toString(), {
-          handshakeTimeout: handshakeTimeoutDuration,
-        });
-
-        connectionTimeout = setTimeout(() => {
-          this.socket?.close();
-          reject(
-            new Error(
-              `WebSocket connection timed out after ${handshakeTimeoutDuration}ms`,
-            ),
-          );
-        }, handshakeTimeoutDuration);
-
-        this.socket.on('open', () => {
-          clearTimeout(connectionTimeout!);
-          resolve();
-        });
-
-        this.socket.on('message', (data) => {
-          try {
-            const parsedMessage: JSONRPCMessage = JSON.parse(data.toString());
-            this.onmessage?.(parsedMessage, { authInfo: undefined }); // Auth unsupported currently
-          } catch (error: unknown) {
-            this.onerror?.(
-              error instanceof Error ? error : new Error(String(error)),
-            );
-          }
-        });
-
-        this.socket.on('error', (error) => {
-          clearTimeout(connectionTimeout!);
-          this.onerror?.(error);
-          reject(error);
-        });
-
-        this.socket.on('close', () => {
-          clearTimeout(connectionTimeout!);
-          this.onclose?.();
-          this.socket = null;
-        });
-      } catch (error: unknown) {
-        clearTimeout(connectionTimeout!);
-        reject(error instanceof Error ? error : new Error(String(error)));
-      }
-    });
-  }
-
-  async close(): Promise<void> {
-    if (this.socket) {
-      this.socket.close();
-      this.socket = null;
-    }
-  }
-
-  async send(
-    message: JSONRPCMessage,
-    _options?: TransportSendOptions,
-  ): Promise<void> {
-    if (!this.socket || this.socket.readyState !== WebSocket.OPEN) {
-      throw new Error(
-        'WebSocket is not connected or not open. Cannot send message.',
-      );
-    }
-    this.socket.send(JSON.stringify(message));
-  }
-}