Show HN: Desktop GUI sandbox for AI agents and MCP servers

Category: security

Tags: ai-agents, sandbox, security, virtual-machine, mcp

Score: 7.5/10 (Innovation: 8, Technical: 8, Documentation: 7, Utility: 7)

Nilbox is a desktop GUI sandbox that runs untrusted AI agents inside real virtual machines, providing stronger isolation than containers. Its zero-token architecture and host-controlled network proxy prevent API key exposure, making it a novel security tool for running autonomous AI coding agents safely.

Target audience: backend devs, security engineers, AI/ML engineers

Repository: https://github.com/rednakta/nilbox · Rust · GPL-3.0 · 4 stars

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