n8n

Add the Klardaten DATEV MCP server as a tool in your n8n workflows.

  1. Add an "MCP Client" node to your workflow.
  2. Configure it:
    • MCP Endpoint URL: https://api.klardaten.com/mcp
    • Authentication: MCP OAuth
  3. Create a new credential under "Credential for MCP OAuth2 API".
n8n: MCP Client node and endpoint
  1. In the credential:
    • Leave "Use Dynamic Client Registration" enabled.
    • Set "Server URL" to https://api.klardaten.com/mcp.
  2. Click "Connect to MCP".
n8n: MCP OAuth credential and Connect to MCP

You will see the same OAuth flow as in Open WebUI.

OAuth login screen for MCP

When authorization finishes, the tool list shows the available DATEVconnect tools.

n8n: MCP tools list after authorization