CLI TOOLS

Vercel Labs' fx installs as a 7.8 MiB Zig binary and runs as a shell-like CLI, a JSON script endpoint, an ACP server, or an embeddable WebAssembly module. Here is the verified setup path, the three auth routes, and the workflows each surface unlocks.

Two minimal coding agents are taking swings at the platform era, but they minimize opposite things: pi refuses features, fx shrinks the bytes. Placing both on the harness spectrum against Claude Code and raw shells shows who each bet is actually for.