What’s the issue?**
Describe the problem/error/question
have an MCP tool server and I am trying to integrate it with an AI agent. It is accessible through HTTP Streaming. I know it works because Claude Desktop is able to use it. Connecting it to the agent works, the n8n UI shows the different tools available with the server. However, when the workflow runs, I get the error.
What is the error message (if any)?
ToolExecutor can not be found
Please share your workflow
(Select the nodes on your canvas and use the keyboard shortcuts CMD+C/CTRL+C and CMD+V/CTRL+V to copy and paste the workflow.)
{
“nodes”: [
{
“parameters”: {
“options”: {
“systemMessage”: “You are a helpful assistant. Use the weather tool to get the weather for the city mentioned.”
}
},
“type”: “@n8n/n8n-nodes-langchain.agent”,
“typeVersion”: 2.2,
“position”: [
208,
0
],
“id”: “ed8eedc3-c180-4eb8-9443-6395c8500f69”,
“name”: “AI Agent”
}
],
“connections”: {},
“pinData”: {},
“meta”: {
“templateCredsSetupCompleted”: true,
“instanceId”: “5ff714de7143ef8ac36a79d482e40d49a0d35b405548a00c0c1748432a94125f”
}
}
Share the output returned by the last node
Information on your n8n setup
- n8n version: 1.116.2
- Database (default: SQLite):
- n8n EXECUTIONS_PROCESS setting (default: own, main):
- Running n8n via (Docker, npm, n8n cloud, desktop app):
- Operating system: