Description
Hello,
I have created a test application and I'm trying to use it with the n8n MCP Client in sse mode.
Unfortunately, it is not working.
Here is the error:
NodeOperationError: Error in sub-node MCP Client at ExecuteContext.getInputConnectionData (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@file+packages+core_openai@4.78.1_encoding@0.1.13_zod@3.24.1_/node_modules/n8n-core/src/execution-engine/node-execution-context/utils/get-input-connection-data.ts:207:11) at processTicksAndRejections (node:internal/process/task_queues:95:5) at ExecuteContext.getInputConnectionData (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@file+packages+core_openai@4.78.1_encoding@0.1.13_zod@3.24.1_/node_modules/n8n-core/src/execution-engine/node-execution-context/execute-context.ts:160:10) at getConnectedTools (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/@n8n+n8n-nodes-langchain@file+packages+@n8n+nodes-langchain_39a83bf1c88ed87503d738f11cd59364/node_modules/@n8n/n8n-nodes-langchain/utils/helpers.ts:195:5) at getTools (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/@n8n+n8n-nodes-langchain@file+packages+@n8n+nodes-langchain_39a83bf1c88ed87503d738f11cd59364/node_modules/@n8n/n8n-nodes-langchain/nodes/agents/Agent/agents/ToolsAgent/common.ts:303:17) at ExecuteContext.toolsAgentExecute (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/@n8n+n8n-nodes-langchain@file+packages+@n8n+nodes-langchain_39a83bf1c88ed87503d738f11cd59364/node_modules/@n8n/n8n-nodes-langchain/nodes/agents/Agent/agents/ToolsAgent/V2/execute.ts:40:16) at ExecuteContext.execute (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/@n8n+n8n-nodes-langchain@file+packages+@n8n+nodes-langchain_39a83bf1c88ed87503d738f11cd59364/node_modules/@n8n/n8n-nodes-langchain/nodes/agents/Agent/V2/AgentV2.node.ts:167:10) at WorkflowExecute.runNode (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@file+packages+core_openai@4.78.1_encoding@0.1.13_zod@3.24.1_/node_modules/n8n-core/src/execution-engine/workflow-execute.ts:1185:9) at /usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@file+packages+core_openai@4.78.1_encoding@0.1.13_zod@3.24.1_/node_modules/n8n-core/src/execution-engine/workflow-execute.ts:1534:27 at /usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@file+packages+core_openai@4.78.1_encoding@0.1.13_zod@3.24.1_/node_modules/n8n-core/src/execution-engine/workflow-execute.ts:2098:11