support mcp client streamable http (#4650)

* support mcp streamable http

* fix

* fix

* remove deps

packages/service/core/workflow/dispatch/plugin/runTool.ts

@@ -2,10 +2,9 @@ import {
   DispatchNodeResultType,
   ModuleDispatchProps
 } from '@fastgpt/global/core/workflow/runtime/type';
-import { SSEClientTransport } from '@modelcontextprotocol/sdk/client/sse.js';
-import { Client } from '@modelcontextprotocol/sdk/client/index.js';
 import { DispatchNodeResponseKeyEnum } from '@fastgpt/global/core/workflow/runtime/constants';
 import { NodeOutputKeyEnum } from '@fastgpt/global/core/workflow/constants';
+import getMCPClient from '../../../app/mcp';
 
 type RunToolProps = ModuleDispatchProps<{
   toolData: {
@@ -27,34 +26,21 @@ export const dispatchRunTool = async (props: RunToolProps): Promise<RunToolRespo
   const { toolData, ...restParams } = params;
   const { name: toolName, url } = toolData;
 
-  const client = new Client({
-    name: 'FastGPT-MCP-client',
-    version: '1.0.0'
-  });
+  const mcpClient = getMCPClient({ url });
 
-  const result = await (async () => {
-    try {
-      const transport = new SSEClientTransport(new URL(url));
-      await client.connect(transport);
+  try {
+    const result = await mcpClient.toolCall(toolName, restParams);
 
-      return await client.callTool({
-        name: toolName,
-        arguments: restParams
-      });
-    } catch (error) {
-      console.error('Error running MCP tool:', error);
-      return Promise.reject(error);
-    } finally {
-      await client.close();
-    }
-  })();
-
-  return {
-    [DispatchNodeResponseKeyEnum.nodeResponse]: {
-      toolRes: result,
-      moduleLogo: avatar
-    },
-    [DispatchNodeResponseKeyEnum.toolResponses]: result,
-    [NodeOutputKeyEnum.rawResponse]: result
-  };
+    return {
+      [DispatchNodeResponseKeyEnum.nodeResponse]: {
+        toolRes: result,
+        moduleLogo: avatar
+      },
+      [DispatchNodeResponseKeyEnum.toolResponses]: result,
+      [NodeOutputKeyEnum.rawResponse]: result
+    };
+  } catch (error) {
+    console.error('Error running MCP tool:', error);
+    return Promise.reject(error);
+  }
 };