🔬Agent-ToM: Catching Bad Agents with Theory-of-Mind Probes
TL;DR
New arXiv paper trains a learned monitor to flag autonomous LLM agents going off the rails by modeling their beliefs and intents, not just their outputs. Beats output-only baselines on a security-analysis benchmark.
New arXiv paper trains a learned monitor to flag autonomous LLM agents going off the rails by modeling their beliefs and intents, not just their outputs. Beats output-only baselines on a security-analysis benchmark.

Key Points
Frames agent monitoring as a Theory-of-Mind problem: infer the agent's belief state, not just classify the next action
Targets the same problem Anthropic, OpenAI, and Google all flag as the biggest blocker to long-horizon agents
Reports gains over output-only and trace-only baselines on a security analysis benchmark
Public arXiv preprint with code references for reproducibility
Why It Matters
Output-classifier guardrails miss the agent that's about to make a fine action for a bad reason. ToM-style monitors are the direction enterprise agent platforms are heading.
Quick Facts
Frequently Asked Questions
Why does this matter?
Output-classifier guardrails miss the agent that's about to make a fine action for a bad reason. ToM-style monitors are the direction enterprise agent platforms are heading.
What happened?
New arXiv paper trains a learned monitor to flag autonomous LLM agents going off the rails by modeling their beliefs and intents, not just their outputs. Beats output-only baselines on a security-analysis benchmark.
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