ToolsPageIndex Vectorless RAG 98.7 Percent AccuracyGitHub·high signalXBlueskyLinkedInCopy linkHierarchical tree indexing + LLM reasoning instead of embeddings. 98.7% accuracy on FinanceBench. Paradigm challenge to vector RAG.SourceSource pageGitHub↳ Follow the threadStack layer / ContrastMicrosoft's Agent Lightning v1.0.1 ships an agent skill whose job is optimizing other agents, installed through gh skillGitHubStack layer / ContrastCline v4.1.16 fixes hooks resolving from global state, and starts redacting credentials embedded in git remote URLs before they reach the modelGitHub (cline/cline)Policy dependency / Threat patternmcp-shell Ships Security Off in One Deploy Path and Bypassable in the Other (CVE-2026-55580/55581/55582)GitHub Security AdvisoriesPolicy dependency / Update threadAgno 3.0.1 caches tool schemas across runs and loads session history incrementally, so response time stops scaling with conversation lengthGitHub (agno-agi/agno)Update threadPageIndex v0.2.11 adds a Flash engine that builds the document tree from layout statistics with no LLM in the structure stepGitHubStack layer / Threat patternCROSS-CATEGORY: The Guardrail Layer Around Coding Agents Shipped at Four Different Points in the Lifecycle in 48 HoursHacker News Show HN and Product Hunt (2026-08-24 and 2026-08-25)Stack layerqwen-code Now Requires an Explicit Opt-In Before the Model Starts a Multi-Agent WorkflowGitHubStack layerAgno 3.0.0 ships stable with a breaking DB migration, tool-result offloading and a persistent IPython CodeModeGitHub (agno-agi/agno)