type: object description: WebSocket request for mcp-tool service (flow-hosted service) required: - id - service - flow - request properties: id: type: string description: Unique request identifier service: type: string const: mcp-tool description: Service identifier for mcp-tool service flow: type: string description: Flow ID request: $ref: '../../../../api/components/schemas/mcp-tool/McpToolRequest.yaml' examples: - id: req-1 service: mcp-tool flow: my-flow request: tool: calculator arguments: operation: add a: 5 b: 3