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Essay Warns AI Coding Agents Run at Ring 0 Without Checks

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An essay argues that coding agents such as Claude Code, Codex CLI and Gemini CLI operate with the developer's full authority — effectively at ring 0 — with no independent check between model output and system action. The author proposes a reference monitor that stages each effect before it happens and gates every change on fixed rules rather than on a model, so a deterministic supervisor rather than the agent decides what reaches the system. The proposal is not yet tested: the essay outlines a study to see whether such a deterministic supervisor adds anything over existing systems, but that study has not been run. The claim that current agents lack an independent check is the author's argument, not a demonstrated result.

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November 15
  1. Hacker News · AI
    The Missing Ring-0 Protections for AI Agents

    An essay argues that coding agents like Claude Code, Codex CLI and Gemini CLI act with the developer's full authority, effectively at ring 0, with no independent check between model output and system action. It proposes a reference monitor that stages effects first and gates each change on fixed rules rather than a model, and outlines an unrun study to test whether such a deterministic supervisor adds anything over existing systems.

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