Run a single payload test from a workflow config JSON file.

Run a single payload test and return evaluation score + issues.

Run all payloads in a workflow config and return per-payload results and scores.

Fetch a workflow summary from n8n by workflow ID.

Create a new n8n workflow from JSON.

Replace an existing n8n workflow by ID with JSON.

Delete an n8n workflow by ID.

Append a node JSON object to an existing workflow.

Create a main connection between two nodes in an existing workflow.

List available node types from the connected n8n instance.

Get full schema/details for a specific node type.

List recent executions, optionally filtered by workflowId and status.

Fetch full execution details by execution ID.

Return a lightweight per-node trace summary for an execution.

Return counts of catalogued nodes, triggers, and credentials from the imported n8n catalog.

Search nodes from the imported n8n catalog by name.

List trigger nodes from the imported n8n catalog.

Validate a node type against the imported n8n catalog and suggest close matches.

Suggest relevant n8n nodes from the imported catalog for a natural-language task.