OSSVectifyAI/PageIndex — Vectorless RAG Outperforms Embeddings at 98.7% AccuracyGitHub·high signalReplaces vector similarity with hierarchical tree indexing + LLM reasoning. 98.7% on FinanceBench. Has MCP server companion. 16K+ stars.SourceSource pageGitHub↳ Follow the threadSame source URL / Stack layerPattern: Context Selection Is Consolidating Into Its Own Layer Beneath the AgentGitHubStack layer / Contrastbrowser-use Ships 'Browser Harness' — Agents Edit Their Own Browser Helpers Mid-Task Instead of FailingGitHubStack layer / ContrastNVIDIA Open-Sources nvDock, an All-Atom Diffusion Model for Protein Pocket DockingNVIDIA BioNeMoPolicy dependency / Stack layerponytail: A 'Laziest Senior Dev' Skill That Cuts Agent-Written Code by ~54% Is the Fastest-Rising Repo on GitHubGitHubStack layer / Threat patternCROSS-CATEGORY: Three Vendors in Three Unrelated Categories Shipped 'Agents That Supervise Other Agents' Inside Two WeeksVantaPolicy dependency / Stack layerLeanCTX Ships a Rust Binary That Decides What Your Agent Is Allowed to ReadGitHubStack layer / Threat patternOpenClaw ships broad July 6 platform update: GPT-5.6 support, external harness attach, hardened provider I/OReleasebotPolicy dependency / Stack layerPattern: Safety Rails Are Migrating From the Prompt Into the Harness's Auto ModeClaude Code Changelog