Multi-protocol API workbench for .NET — discover, invoke, record, mock, replay across gRPC, REST, GraphQL, MQTT, SignalR, WebSocket, SSE, MCP, OData, Socket.IO, and more... including your custom protocol.
Declarative syntax for System.CommandLine via attributes for easy, fast, strongly-typed (no reflection) usage. Includes a source generator which automagically converts your classes to CLI commands and properties to CLI options or CLI arguments.