//CRYPTOGRAPHICALLY VERIFIED ENFORCEMENT

AI Guardrails That Can't Be Bypassed Or Ignored.

Every other AI guardrail is itself an AI — and AI can be jailbroken, prompt-injected, or reasoned around. PreFlight replaces model judgment with formal verification. Every agent action gets a cryptographic proof in under a second.

Try PreFlight API No sub. x402 enabled.
SAT = allowed
UNSAT = blocked
<1s
Proof per action
100%
Decisions provable
0
Model judgment calls
Abstract formal-proof motif setting a cryptographic-verification mood

AI agents don't just assist anymore.

They transact, approve, and spend autonomously, at machine speed, with no human watching.

$1,000 $10,000,000

A vulnerability that steals $1,000 from a human-speed system steals $10 million from a machine-speed one. The exploit is identical. Only the clock changes. 

1,000actions / sec × 60sec investigation
= 60,000actions before anyone understands what happened
Actions accumulating faster than humans can respond at machine speed
Two ways to guard an agent.
Reactive, after-the-fact failure of LLM safety judges
Reactive

Most AI guardrails and observability platforms are reactive — they tell you what might have gone wrong, after it has. LLM-based safety judges are built from the same models they're meant to check.

Proactive mathematical proof attached before the action runs
Proactive

PreFlight is proactive — mathematical proof every rule was followed, before the action runs. Every decision ships with a cryptographic proof.

How PreFlight works.

01

Agent proposes an action

02

Rules compile to a formal constraint problem

03

Solver returns SAT (allowed) or UNSAT (blocked)

04

Cryptographic proof - verifiable in under one second, even for thousands of guardrail calls

Formal verification, not model judgment. Sub-second latency. Tamper-evident proofs.

The four-step PreFlight verification pipeline shown as a clean diagram

ICME PreFlight.

Watch an agent action get evaluated — SAT or UNSAT, in under one second, with the cryptographic proof hash attached.

Result: SAT / UNSAT
Latency < 1s
Proof hash attached
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preflight.icme.io / console / verdicts
The PreFlight verdict console UI evaluating an agent action with SAT result, sub-second latency, and proof hash
A security and platform engineering team running the PreFlight system

Used by the teams who can't afford an unverifiable guardrail.

Security and platform engineers run PreFlight in front of their autonomous agents — the engineering teams shipping agentic systems that transact, approve, and spend in production.

Contact us to learn more about our suite of proactive guardrails and defensive AI.

A qualified inquiry — we'll reach out. No spam, no countdown clocks.
Quiet closing visual reinforcing cryptographic certainty