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
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