NewsAI Brain Fry BCG HBR Study 39 Percent More Errors Three Tool LimitHarvard Business Review·high signalBCG/HBR study of 1488 workers finds 14% experience AI brain fry, 39% higher major error rates, productivity cliff at 3 simultaneous toolsSourceSource pageHarvard Business Review↳ Follow the threadStack layer / Threat patternA New Security Category Emerges: Tools That Police the Coding Agent, Not the Code — Snyk's Evo Agentic Development SecuritySiliconANGLEThreat pattern / ContrastMid-Session Tool Injection weaponized against WebMCP agents via threshold poisoning and fake diagnostic eventsAdversa AIThreat pattern / ContrastTaxonomy Structure Shapes BERT Errors in CVE-to-CWE Security MappingarXivStack layer / Update threadPerplexity Is Building 'Teammate,' a Long-Horizon Coding Agent to Rival Cursor and OpenAIBusiness InsiderStack layer / Threat patternArmadin details full sandbox escape in Anthropic's Claude Cowork; Anthropic disputes, silently patchesSiliconANGLEPolicy dependency / Stack layerIAPS warns on Kimi Claw: security and governance risks of Chinese-hosted 'always-on' AI agentsIAPSStack layer / ContrastLazy schema loading: stop paying the MCP 'tools tax' by gating tool schemas until neededarXivStack layer / Follow-up threadThe 'AI Decision-Fatigue' Backlash: Productivity Expectations Outrun Real Gainsreptile.haus