UTCP

UTCP

The scalable, secure alternative to MCP for tool calling

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UTCP (Universal Tool Calling Protocol) is an open standard for AI agents to call tools directly, positioned as a lightweight alternative to MCP. It eliminates the "wrapper tax" for lower latency by using a simple JSON manifest to connect to native APIs.

UTCP

Launch date
Ruby UTCP
Ruby UTCPThe scalable, secure alternative to MCP for tool calling

Launched on September 19th, 2026

Code Mode
Code ModeSlash MCP token usage by 68%

Launched on November 23rd, 2025

UTCP Agent
UTCP AgentBuild tool-calling agents in 4 lines of code

Launched on August 31st, 2025

UTCP
UTCPThe open, direct alternative to MCP for tool calling

Launched on July 17th, 2025