{"name":"UTCP Specification: A Standard for Universal Tool Calling","description":"The `utcp-specification` repository hosts the official documentation for the Universal Tool Calling Protocol (UTCP). This protocol provides a modern, flexible, and scalable standard for AI systems and clients to discover and interact with tools across various communication protocols. It aims to standardize tool discovery, call formats, authentication, and error handling for enhanced interoperability.","github":"https://github.com/universal-tool-calling-protocol/utcp-specification","url":"https://osrepos.com/repo/universal-tool-calling-protocol-utcp-specification","source":"osrepos.com","sourceDescription":"This repository profile is provided by osrepos.com, an open source repository discovery platform.","repositoryProfile":"https://osrepos.com/repo/universal-tool-calling-protocol-utcp-specification","generatedFor":"open source discovery and AI-assisted research","markdown":"https://osrepos.com/repo/universal-tool-calling-protocol-utcp-specification.md","json":"https://osrepos.com/repo/universal-tool-calling-protocol-utcp-specification.json","topics":["ai","ai-agent-tools","protocol","specification","utcp","TypeScript","AI Protocols","Tool Calling"],"keywords":["ai","ai-agent-tools","protocol","specification","utcp","TypeScript","AI Protocols","Tool Calling"],"stars":null,"summary":"The `utcp-specification` repository hosts the official documentation for the Universal Tool Calling Protocol (UTCP). This protocol provides a modern, flexible, and scalable standard for AI systems and clients to discover and interact with tools across various communication protocols. It aims to standardize tool discovery, call formats, authentication, and error handling for enhanced interoperability.","content":"## Introduction\n\nThe `utcp-specification` repository contains the official documentation for the Universal Tool Calling Protocol (UTCP). UTCP is designed as a modern, flexible, and scalable standard for defining and interacting with tools across diverse communication protocols, such as HTTP, WebSocket, and CLI. Its primary goal is to provide a standardized way for AI systems and other clients to seamlessly discover and call tools from different providers, regardless of the underlying communication method.\n\nVersion 1.0 of UTCP introduces significant architectural improvements, including a robust plugin architecture for modularity, enhanced Pydantic data models for comprehensive validation, and support for multiple protocols. It also features advanced authentication methods, improved error handling, performance optimizations, and full asynchronous client interface support.\n\n## Installation\n\nTo get started with UTCP, you can install the core package and its protocol plugins using pip:\n\nbash\n# Install the core UTCP package\npip install utcp\n\n# Install protocol plugins as needed\npip install utcp-http utcp-cli utcp-websocket utcp-text utcp-mcp\n\n\nIf you wish to build and preview the documentation site locally, you will need Node.js (v18.0 or higher) and npm or yarn. Follow these steps:\n\n1.  Clone the repository:\n    bash\n    git clone https://github.com/universal-tool-calling-protocol/utcp-specification.git\n    cd utcp-specification\n    \n\n2.  Install dependencies:\n    bash\n    npm install\n    \n\n3.  Run the documentation site:\n    bash\n    npm start\n    \n    This will start a local development server at `http://localhost:3000`.\n\n## Examples\n\nWhile the specification itself defines the *how*, UTCP's design enables AI systems to interact with tools in a standardized manner. For instance, an AI agent can use the defined tool discovery mechanisms to find available tools and then invoke them using the specified call formats, regardless of whether the tool is exposed via HTTP, WebSocket, or a command-line interface. The protocol plugins (like `utcp-http` or `utcp-websocket`) provide the concrete implementations for these interactions.\n\nFor detailed guidance on implementing tool providers or tool callers, the documentation includes dedicated sections such as `for-tool-providers.md` and `for-tool-callers.md`, which outline the practical steps and examples for integrating with the UTCP ecosystem.\n\n## Why Use UTCP?\n\nUTCP addresses a critical need for interoperability in the rapidly evolving AI landscape. By providing a universal standard, it offers several key advantages:\n\n*   **Standardization**: It eliminates the fragmentation in how AI systems interact with tools, promoting a consistent and predictable interface.\n*   **Flexibility**: Its multi-protocol support means tools can be accessed and called across various communication channels without requiring custom integrations for each.\n*   **Extensibility**: The plugin-based architecture allows for easy expansion and adaptation to new protocols or functionalities.\n*   **Scalability**: Designed with modern AI systems in mind, it supports complex interactions and robust error handling.\n*   **Comprehensive**: From tool discovery to response validation, UTCP covers the entire lifecycle of tool interaction, simplifying development for both tool providers and callers.\n\n## Links\n\n*   **GitHub Repository**: [https://github.com/universal-tool-calling-protocol/utcp-specification](https://github.com/universal-tool-calling-protocol/utcp-specification){target=\"_blank\"}\n*   **UTCP GitHub Organization**: [https://github.com/universal-tool-calling-protocol](https://github.com/universal-tool-calling-protocol){target=\"_blank\"}\n*   **UTCP Website**: [https://utcp.io](https://utcp.io){target=\"_blank\"}\n*   **Reference Implementations**: [https://github.com/universal-tool-calling-protocol/python-utcp](https://github.com/universal-tool-calling-protocol/python-utcp){target=\"_blank\"}\n*   **Community Discussions**: [https://github.com/universal-tool-calling-protocol/utcp-specification/discussions](https://github.com/universal-tool-calling-protocol/utcp-specification/discussions){target=\"_blank\"}","metrics":{"detailViews":9,"githubClicks":12},"dates":{"published":null,"modified":"2026-04-18T19:25:08.000Z"}}