TRACE: Trajectory Reasoning through Adaptive Cross-Step Evidence Aggregation for LLM Agents
On the map: LLM reasoning → Reasoning for agents, planning and code
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Abstract (arXiv)
Autonomous LLM agents can pursue hidden malicious objectives through sequences of individually benign actions, making sabotage difficult to detect using standard trajectory-level monitoring. Existing approaches either evaluate complete trajectories in a single pass or partition them into independently scored windows, limiting their ability to connect evidence across temporally distant actions. We propose TRACE, a monitoring framework for long-horizon LLM agent trajectories. TRACE operates through a TIJ (Triage-Inspect-Judge) loop that identifies high-signal regions, performs targeted inspection while maintaining accumulated evidence across reasoning steps, and synthesizes a trajectory-level verdict. We evaluate TRACE on ten task domains from SHADE-Arena against state-of-the-art baselines. TRACE achieves an aggregate F1 of 0.713 and recall of 0.844, with the largest gains on tasks requiring long-range evidence linking.
Key facts. Cited by 3 papers in the map (data through 7 Oct 2026). Placed in Reasoning for agents, planning and code, one of 17 directions in LLM reasoning. Builds on 30 of its 41 references that are in the map. First posted on arXiv 5 Jun 2026.
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30 of 41 references.
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Other references · 29
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- 2025Towards Machine Theory of Mind with Large Language Model-Augmented Inverse Planningcited by 4
Built on by
Citing papers per year: 2026: 3.
3 papers.
Similar, not cited
Close in wording, no citation either way
- 2026TRACE: Trajectory Risk-Aware Compression for Long-Horizon Agent Safety
- 2026TRACES: Proactive Safety Auditing for Multi-Turn LLM Agents via Trajectory-State Modeling
- 2025Beyond the Final Answer: Evaluating the Reasoning Trajectories of Tool-Augmented Agents
- 2026SkillTV-Bench: Benchmarking How Well Judges Perform on Skill-Augmented Agentic Execution
- 2026Agent-ToM: Learning to Monitor Autonomous LLM Agents via Theory-of-Mind Reasoning
- 2026FALAT: Tracing Failures in LLM Agent Trajectories via Dependency-Guided Search
- 2026Trust No Tool: Evaluating and Defending LLM Agents under Untrusted Tool Feedback
- 2026Long-Horizon Agent Trajectory Attribution: A Unified Benchmark and Fine-Grained Annotation Framework