Measure the Tool-Loop Tax Before You Ship Work Off the Laptop

Automated excerpt

Agent loops look inexpensive in screenshots because those screenshots omit the network path under every tool call. It classifies paths as SECRET or PUBLIC, refuses to recommend remote placement when any SECRET path is in the working set, and prints a tax estimate of cardinality * rtt_ms. Remote placement in this table never includes dotenv files, private keys, or customer extracts, even when the remote option is free.

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