rs-utcp: Official Rust implementation of the UTCP

by universal-tool-calling-protocol · MCP Server · ★ 59

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How to install rs-utcp

git clone https://github.com/universal-tool-calling-protocol/rs-utcp.git

Taken from the project's README on GitHub. Check the security audit before running it.

Security audit verdict: SAFE · quality 65/100

None of the 42 rules matched — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against 42 published rules built on the SlowMist agent-security taxonomy, refreshed every 8 hours. Full audit →

The quality score combines nine heuristic checks of the repo and its README: completeness, clarity, specificity, examples, structure, agent readiness, step-by-step content, instruction quality and security notes. It rates how well the project explains itself to an agent, not the code.

agentsaiai-agent-toolsdeveloper-toolsmcpmodel-context-protocolrustrust-langutcp

Quick Facts

Stars59
Forks5
LanguageRust
CategoryMCP Server
LicenseMPL-2.0
Quality Score65/100
Open Issues1
Last Updated2026-05-12
Created2025-11-25
Platformsmcp, rust
Est. Tokens~53k

About rs-utcp

rs-utcp Universal Tool Calling Protocol Client for Rust A powerful, async-first Rust implementation of the Universal Tool Calling Protocol (UTCP) 🌟 Features 🔌 12 Communication Protocols (formerly transports) - HTTP, MCP, WebSocket, gRPC, CLI, GraphQL, TCP, UDP, SSE, WebRTC, HTTP Streams, and Text-based 🚀 Async/Await Native - Built with Tokio for high-performance concurrent operations 📦...

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How this security grade is produced

Grades come from a rule-based scan built on the SlowMist agent-security taxonomy: 42 published rules, covering credential harvesting, data exfiltration, curl | sh installers and more. It is a first-layer scan, not a manual audit — we say so rather than overstate it.

The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.

Sources & who's responsible:

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