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Aw1-breaker: Sub-millisecond execution circuit breaker for AI agents

Laveto Labs released aw1-breaker, an MIT-licensed Python library that enforces an out-of-band execution interlock between an AI agent's reasoning node and downstream execution sockets, intercepting tool calls in sub-millisecond time. The package is installed via pip and configured with a baseline velocity parameter, as shown in the example ExecutionBreaker(baseline_velocity=50000.0) intercepting a disburse_funds call of 12000.0 from actor agent_treasury_01. Laveto Labs positions the breaker against in-band guardrails such as RLHF and system prompt boundaries, which it says adversarial injections or goal drift can bypass via Base64 obfuscation, polyglot payloads, or velocity micro-drains.

read1 min views2 publishedSep 29, 2026
Aw1-breaker: Sub-millisecond execution circuit breaker for AI agents
Image: Michielbdejong (auto-discovered)

Deterministic, sub-millisecond execution circuit breaker for autonomous AI agent tool-calls.

Standard LLM guardrails (RLHF, system prompt boundaries) operate in-band: models evaluate their own compliance. When autonomous agents are granted tool-calling access to system shells, databases, or financial disbursement rails, adversarial injections or goal drift can bypass prompt restrictions via Base64 obfuscation, polyglot payloads, or velocity micro-drains.

aw1-breaker enforces an out-of-band execution interlock between the agent reasoning node and downstream execution sockets.

pip install aw1-breaker
python
from aw1 import ExecutionBreaker

breaker = ExecutionBreaker(baseline_velocity=50000.0)
result = breaker.intercept(
    actor_id="agent_treasury_01",
    tool_name="disburse_funds",
    payload='{"target": "core_ledger", "action": "payout"}',
    amount=12000.0
)
print(result)

MIT License. Designed and maintained by Laveto Labs.

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