---
title: "Tripwire / circuit-breaker · agent human oversight · Agent Fieldbook"
url: https://agentfieldbook.org/security/oversight/tripwire/
description: "An anomaly signal automatically halts the agent; a human investigates and resumes. Fail-safe by default rather than fail-open."
section: "Security · Human Oversight"
source: Agent Fieldbook — generated from the published page
---

# Tripwire / circuit-breaker

An anomaly signal automatically halts the agent; a human investigates and resumes. Fail-safe by default rather than fail-open.

Verified against [nist.gov](https://www.nist.gov/itl/ai-risk-management-framework)

- [nist.gov](https://www.nist.gov/itl/ai-risk-management-framework)

## How it works

## At a glance

| Field | Value |
| --- | --- |
| Mode | HOTL |
| Exemplifies | sentinel |
| Example | Egress-spike halt· spend-cap breaker· rate-limit kill switch |

## Basis

## Verified against

- [https://www.nist.gov/itl/ai-risk-management-framework](https://www.nist.gov/itl/ai-risk-management-framework)

The corpus does not rewrite vendor documentation. Where copy is quoted verbatim it is marked as such and attributed to its source.