Developer Builds AI Bridge to Run Agents Safely in Linux VMs on Apple Silicon

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A macOS developer has designed an architecture called AI Bridge to address a core conflict in running AI coding agents on Apple Silicon: executing LLM-generated code safely in an isolated Linux VM while retaining full GPU acceleration. Most popular agent frameworks run unverified code directly on the host machine, exposing the filesystem, network, and credentials to potential misuse. Apple's Virtualization framework does not support GPU passthrough to Linux guests, making model inference inside a VM significantly slower than on the host. The AI Bridge solution splits the workload — the agent runs inside a disposable Linux VM for isolation, while the language model runs natively on the host via Ollama or MLX with Metal GPU access. The two components communicate through a vsock channel, allowing the in-VM agent to interact with the host-side model as if it were a local server.

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