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Ruby UTCP

The scalable, secure alternative to MCP for tool calling

Listing details

HiCyou directory record

Listed
Listed website
github.com
Directory record created
Sep 20, 2026
Last record update
Sep 20, 2026

Listing information

  • Overview
  • 6 key features
  • 4 use cases

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Ruby UTCP preview

What is Ruby UTCP

Ruby UTCP is an open-source Ruby implementation of the Universal Tool Calling Protocol (UTCP) 1.1, providing 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, along with streaming, authentication, OpenAPI discovery, and CodeMode for programmable multi-tool workflows.

Key Features

Implements UTCP 1.1 for standardized tool discovery and calling in Ruby
Supports 12 transports including HTTP, CLI, WebSocket, gRPC, GraphQL, MCP, and WebRTC
Streaming support for real-time tool responses
Authentication handling across transports
OpenAPI-based tool discovery
CodeMode for programmable multi-tool workflows

Use Cases

  • Connecting AI agents to external tools over native protocols
  • Integrating tool calling into Ruby applications
  • Building programmable multi-tool workflows with CodeMode
  • Discovering and calling tools exposed via OpenAPI specifications

Why do startups need this tool?

Ruby UTCP gives startups building in Ruby an open-source, standards-based way to connect AI agents and applications to external tools without protocol lock-in, with broad transport coverage including MCP compatibility.

FAQs

Ruby UTCP Alternatives

MCP