Signal Over Noise

Signal Over Noise

Fail Open, Fail Closed, or Ask: The Guardrail Choice
An unavailable judge should change the next state, not silently enlarge the grant.
 • Justin Wilson
The Tool Authorization Envelope
Bind permission to the operation that actually runs, not the explanation that requested it.
 • Justin Wilson
Steer, Confirm, or Deny: Three Different Guardrail Jobs
Choose the response by the authority it needs, not the severity of its warning.
 • Justin Wilson
Pi-Warden: Guardrails That Steer Instead of Interrupt
Inspect which findings guide the agent and which ones actually stop the call.
 • Justin Wilson
Permission Is a Decision, Not a Prompt
The authority that releases an action must survive the model being wrong.
 • Justin Wilson
A Four-Tier Model Router You Can Explain
Every destination needs an eligibility rule, an acceptance test, and an owned way out.
 • Justin Wilson
Fallbacks Can Hide a Broken Router
Recovery should preserve the evidence of what failed before the answer arrived.
 • Justin Wilson
The Model Router Scorecard: Quality, Cost, Latency, and Failure
A cheaper route earns traffic only after quality, deadlines, and failure boundaries survive review.
 • Justin Wilson
Cost per Accepted Answer Is the Routing Metric That Matters
Charge the failed attempts and the work of repair before declaring a cheaper route.
 • Justin Wilson
SAGE Router: Should the Agent Work Alone, Recruit, or Hand Off?
The useful routing decision accounts for the work already done and the evidence still missing.
 • Justin Wilson
The Best Model Router Sometimes Chooses No Model
Skipping inference is useful only when the request still has an owner and a next state.
 • Justin Wilson
A Model Router Is a Policy Engine with a Benchmark Problem
The cheapest allowed route still has to pass the workload that gives it consequences.
 • Justin Wilson
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