
The scalable, secure alternative to MCP for tool calling
Ruby UTCP brings UTCP 1.1 to Ruby, giving apps and AI agents a standard way to discover and call tools over native protocols. It supports 12 transports, including HTTP, CLI, WebSocket, gRPC, GraphQL, MCP and WebRTC, plus streaming, auth, OpenAPI discovery, and CodeMode for programmable multi-tool workflows. Open source and built for the Ruby ecosystem.
Ruby UTCP is an open-source framework that implements UTCP 1.1 for Ruby, enabling applications and AI agents to discover and call tools using various native protocols. It supports 12 transport methods, including HTTP and WebSocket, and features capabilities like streaming, authentication, and OpenAPI discovery.
A source that found nothing is a measurement. A source that has not run is a gap. Neither means the launch lacks the thing.