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Building Anvil: code-as-action with a capability sandbox that explains its refusals.

This story is from 2026-10-07. It is preserved in the archive; the latest stories are on the live feed.

The agent wrote import socket . Now what? Every agent framework got very good at making models write code. Almost none got good at the question that follows immediately afterwards: what is that code allowed to do to my machine? I built Anvil to answer that in the smallest honest shape I could: an a…

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  1. 2026-10-07 18:19 · DEV Community — AI
    Building Anvil: code-as-action with a capability sandbox that explains its refusals.

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