Problem with AI Agent node - no supplyData method

Questions
1

Describe the problem/error/question

AI Agent using an MCP tool encounters a ‘Node does not have a supplyData method’

Please share your workflow

Share the output returned by the last node

image
image357×142 7.31 KB

Information on your n8n setup

  • n8n version:1.64.3
  • Database (default: SQLite): ?
  • n8n EXECUTIONS_PROCESS setting (default: own, main): ?
  • Running n8n via (Docker, npm, n8n cloud, desktop app): npm
  • Operating system: Mac Sequoia 15.1

Using this community node: GitHub - nerding-io/n8n-nodes-mcp: n8n custom node for MCP

2

I am also facing the same exact issue

3

Hi @jalakoo,

since this isn’t a native n8n node I can’t help you much here, please raise an issue in the node’s repository. Alternatively you could try our native MCP Client node. You’ll find it under “Tools > MCP Client Tool”.