UTCP: An Alternative Protocol to MCP for Calling Tools
The article introduces UTCP (Universal Tool Calling Protocol), an open protocol that allows AI agents to directly call external tools and services using their native protocols, without the need for intermediate servers or wrappers.
Why it matters
UTCP provides a simpler and more efficient way for AI systems to leverage external tools and services, reducing infrastructure and complexity compared to existing solutions.
Key Points
- 1UTCP enables AI agents to call tools directly using their native protocols, without additional infrastructure
- 2It supports multiple protocols like HTTP, WebSocket, CLI, and gRPC, making it flexible for heterogeneous environments
- 3UTCP can reuse existing specifications like OpenAPI and CLI command definitions, avoiding the need to recreate APIs for AI
- 4The protocol aims to reduce latency, failure points, and operational complexity compared to solutions like MCP that use intermediate servers
Details
UTCP is an open protocol that addresses the challenge of how AI agents can securely and efficiently call external tools and services. Current solutions often rely on intermediate layers, wrapper servers, or protocols that require additional infrastructure. UTCP takes the opposite approach, allowing AI agents to directly call tools using their native protocols, without the need for translation or intermediaries. This reduces latency, failure points, and operational complexity. The protocol supports a wide range of protocols beyond just HTTP, including WebSocket, CLI, and gRPC, making it applicable in heterogeneous environments. UTCP also enables reuse of existing specifications like OpenAPI and CLI command definitions, avoiding the need to recreate APIs specifically for AI integration.
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