OSSVectifyAI/PageIndex — Vectorless RAG Outperforms Embeddings at 98.7% AccuracyGitHub·high signalXBlueskyLinkedInCopy linkReplaces vector similarity with hierarchical tree indexing + LLM reasoning. 98.7% on FinanceBench. Has MCP server companion. 16K+ stars.SourceSource pageGitHub↳ Follow the threadShared entity / Stack layerPageIndex 0.2.14 makes the local and cloud clients one surface and exports its tools straight into OpenAI, Anthropic and Claude agentsGitHubPolicy dependency / Stack layerA Show HN MCP Proxy Puts Policy Where the Model Cannot Reach ItGitHub (Show HN)Stack layer / ContrastToolJet, a 40.8k-Star Retool Alternative, Shipped an MCP Server That Builds Apps Without CodegenToolJet (Show HN)Stack layer / Contrastacademic-research-skills is at v3.21.1 and 45,352 stars six months after its first commitGitHub TrendingStack layer / ContrastAtlas took 895 stars in a day for linking every agent commit back to the prompts and tool calls that produced itGitHub TrendingPolicy dependency / Update threadArize Phoenix 20.5.0 gates agent browser actions behind whole-script approval and adds a session-level PII evaluatorGitHubContrast / Update threadLangChain 1.4.0a3 adds a first-party langchain.mcp namespace with client-side tool caching and elicitation as LangGraph interruptsGitHubContrast / Follow-up threadNous Research's hermes-agent has 25,617 open pull requests against 13,021 open issues, nearly 2 PRs per issueGitHub