UTCP
The open, direct alternative to MCP for tool calling
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.
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