ResearchAgentAssay Token-Efficient Regression Testing for AgentsarXiv·high signalFirst regression testing framework for non-deterministic agents. 78-100% cost reduction via behavioral fingerprinting.SourceSource pagearXiv↳ Follow the threadStack layer / Threat patternMitigating Taint-Style MCP Server Vulnerabilities Without Touching Server Code (SPELLSMITH)arXivStack layer / ContrastLong-Horizon-Terminal-Bench: Best Frontier Agent Clears Just 15% of Real Terminal Tasks, Mean 4.3%arXiv (Tencent Hunyuan) / HuggingFace Daily PapersPolicy dependency / Stack layerFirst Recon AI ships AI Security Runtime GA — inline policy enforcement on every agent-to-agent and agent-to-tool callBusiness WirePolicy dependency / Stack layerCodenotary ships AgentMon 3 for agent runtime policy and compliance loggingAI Agent StoreThreat patternMalaika Grounds Agentic Malware Analysis in Domain, Program Semantics, and Threat IntelarXivPolicy dependency / Stack layerReason Less, Verify More: Deterministic Gates Catch a Silent Policy-Violation Failure in Tool-Using AgentsarXivStack layer'When Is Routing Meaningful?' Fewer Than 10 Agents Recover Most Diversity in Model SocietiesarXivStack layer'Stop Guessing When to Stop Testing' Pushes Sequential Evaluation to Cut Benchmark CostarXiv