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UTCP

UTCP

The open, direct alternative to MCP for tool calling

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170 Upvotes

About

The Universal Tool Calling Protocol (UTCP) is a lightweight, secure, and scalable standard designed to enable AI agents and applications to discover and call tools directly using their native protocols, eliminating the need for wrapper servers. It extends OpenAPI with agent-focused enhancements like categorization tags, response size planning, and multi-protocol support (HTTP, CLI, gRPC, MCP). UTCP aims to simplify AI tool integration by allowing direct API calls with existing security, reducing latency and complexity. It provides solutions for both tool providers looking to expose their APIs to AI agents and tool consumers building AI applications that need external capabilities.


Color Palette

Black

#000000

40%

White

#FFFFFF

50%

Primary Blue

#007bff

5%

Light Grey

#f0f0f0

5%

Typography

Sans-serif

Body, Headings

Aa

Design Review

The design of the UTCP website is highly functional, clean, and professional, perfectly suiting its purpose as a technical documentation platform. The 'Light' theme, characterized by a white background and dark text, ensures excellent readability and a crisp aesthetic. The layout is minimal and uncluttered, with clear headings, bullet points, and well-formatted code examples that are easy to follow. A modern sans-serif font is consistently used throughout, contributing to a contemporary and accessible feel. Blue is effectively utilized for links and interactive elements, providing clear visual cues without being distracting. The overall design prioritizes clarity and ease of information access, making it highly usable for developers and technical users. The structured navigation, including a prominent sidebar table of contents, significantly enhances usability by allowing quick and intuitive navigation through the extensive documentation.

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