AgentsMastra Observational Memory: 94.87% LongMemEval SOTAMastra Blog·high signalMastra v1.2 introduces Observer+Reflector background agents compressing conversations 5-40x. 94.87% on LongMemEval with gpt-5-mini. Cuts agent memory costs 10x.SourceSource pageMastra Blog↳ Follow the threadPolicy dependency / Stack layerIAPS warns on Kimi Claw: security and governance risks of Chinese-hosted 'always-on' AI agentsIAPSStack layer / ContrastShow HN: Rowboat — Open-Source, Local-First Alternative to Claude Cowork With a Knowledge GraphHacker News / rowboatlabsStack layer / Threat patternArmadin details full sandbox escape in Anthropic's Claude Cowork; Anthropic disputes, silently patchesSiliconANGLEStack layer / Threat patternMalicious agent skills evade every scanner: HKUST's SkillCloak beats detectors 90%+ of the time, SkillDetonate catches 97%Help Net SecurityStack layer / Threat patternOpenClaw ships broad July 6 platform update: GPT-5.6 support, external harness attach, hardened provider I/OReleasebotStack layer / Threat patternDefend against prompt injection with an embedding-scored Threat Library, not brittle regex rulesPromptHaloContrastDefend agent memory against forged-reasoning poisoning, not just forged facts (FARMA/SENTINEL)arXivStack layer / Threat patternMeta Stands Up a Cloud Business to Sell AI Compute — CoreWeave Stock Drops 14%The Motley Fool