Sandboxing MCP Servers: Isolation Models and Trade-offs (EXPLAINED)
TL;DR — Quick Answer
Run untrusted MCP servers in containers or microVMs with no default network, read-only filesystems, seccomp/AppArmor profiles, and egress allowlists. Match sandbox strictness to server trust tier; never run unknown servers on bare metal with user credentials.
The Interview Question
Third-party and internal MCP servers can execute code and access networks. Compare sandboxing strategies (containers, WASM, macOS seatbelt, VM) for MCP workloads.
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