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feat(MCP Client Tool Node): Add support for HTTP Streamable Transport (#15454)

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KGuillaume-chaps
2025-07-18 13:27:21 +02:00
committed by GitHub
parent 6fd45eb10d
commit a5d14a2509
4 changed files with 102 additions and 23 deletions
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15
packages/@n8n/nodes-langchain/nodes/mcp/McpClientTool/loadOptions.ts
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@@ -4,16 +4,25 @@ import {
NodeOperationError,
} from 'n8n-workflow';
import type { McpAuthenticationOption } from './types';
import type { McpAuthenticationOption, McpServerTransport } from './types';
import { connectMcpClient, getAllTools, getAuthHeaders } from './utils';
export async function getTools(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
const authentication = this.getNodeParameter('authentication') as McpAuthenticationOption;
const sseEndpoint = this.getNodeParameter('sseEndpoint') as string;
const node = this.getNode();
let serverTransport: McpServerTransport;
let endpointUrl: string;
if (node.typeVersion === 1) {
serverTransport = 'sse';
endpointUrl = this.getNodeParameter('sseEndpoint') as string;
} else {
serverTransport = this.getNodeParameter('serverTransport') as McpServerTransport;
endpointUrl = this.getNodeParameter('endpointUrl') as string;
}
const { headers } = await getAuthHeaders(this, authentication);
const client = await connectMcpClient({
sseEndpoint,
serverTransport,
endpointUrl,
headers,
name: node.type,
version: node.typeVersion,