Universal Tool Calling Protocol
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The Universal Tool Calling Protocol (UTCP) is an open standard, as an alternative to the MCP, that describes how to call existing tools rather than proxying those calls through a new server. After discovery, the agent speaks directly to the tool’s native endpoint (HTTP, gRPC...
Cost / License
- Free
- Open Source
Platforms
- Self-Hosted
- Python
- Go (Programming Language)
- Typescript
Features
- Golang
- Model Context Protocol (MCP) Support
- Python-based
Tags
- typescript
- go-sdk
- python-sdk
- typescript-sdk
- protocol
- utcp
- AI-agents
Universal Tool Calling Protocol News & Activities
Highlights All activities
Recent activities
- POX updated Universal Tool Calling Protocol
POX added Universal Tool Calling Protocol as alternative to PromptDesk, Laminar AI, NLUX and Model Context Protocol- POX added Universal Tool Calling Protocol
Universal Tool Calling Protocol information
Developed by
UTCP ContributorsLicensing
Open Source (MPL-2.0) and Free product.Alternatives
4 alternatives listedSupported Languages
- English
AlternativeTo Category
AI Tools & Services
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Post comment/reviewWhat is Universal Tool Calling Protocol?
The Universal Tool Calling Protocol (UTCP) is an open standard, as an alternative to the MCP, that describes how to call existing tools rather than proxying those calls through a new server. After discovery, the agent speaks directly to the tool’s native endpoint (HTTP, gRPC, WebSocket, CLI, …), eliminating the “wrapper tax,” reducing latency, and letting you keep your existing auth, billing and security in place.