Test your AI agent for silent tool argument hallucination
before it hits production
ICLR 2026 · Reasoning Trap Noveum.ai 2026 · Production Failures v1.0 · 2026-07-08
78% of tool hallucinations return HTTP 200 — invisible success
3.2 steps avg cascade depth before detection (ICLR 2026)
96% of enterprises running agents in production this year
Top-1 silent failure: parameter fabrication with valid-looking output
Schema Lab
Select a tool schema to test. HalluciTrap generates hallucination scenarios and shows the cascade impact.
Hallucination Risk Score
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Step 0/0
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Simulation Ready
Press Run to watch the agent fabricate tool arguments in real time and see where it goes wrong.
Cascade Impact
downstream steps corrupted
Run a simulation to see the cascade.
Defense Mode
✅ Attack caught at Step 1 — cascade prevented
Research Basis
ICLR 2026 "The Reasoning Trap"
More reasoning depth = more argument hallucination. Statistically significant across 14 model families tested. The models most trusted for production are also the most likely to silently fabricate tool arguments.