{"slug": "meet-everos-an-open-source-markdown-first-agent-memory-runtime-with-hybrid-bm25", "title": "Meet EverOS: An Open Source Markdown-First Agent Memory Runtime With Hybrid BM25 + Vector Retrieval and Self-Evolving Skills", "summary": "EverMind has open-sourced EverOS, a local-first memory runtime for AI agents that stores memory as plain Markdown indexed by SQLite and LanceDB, featuring hybrid BM25 + vector retrieval, multimodal ingestion, and self-evolving Skills under an Apache 2.0 license.", "body_md": "EverMind has open-sourced EverOS, a local-first memory runtime that stores AI agent memory as plain Markdown indexed by SQLite and LanceDB. It combines hybrid BM25 + vector retrieval, multimodal ingestion, and self-evolving Skills under an Apache 2.0 license. Here's what it is, how the architecture works, where the benchmarks stand, and where it still falls short — plus a runnable code walkthrough and an interactive demo.\n\nThe post [Meet EverOS: An Open Source Markdown-First Agent Memory Runtime With Hybrid BM25 + Vector Retrieval and Self-Evolving Skills](https://www.marktechpost.com/2026/06/29/meet-everos-an-open-source-markdown-first-agent-memory-runtime-with-hybrid-bm25-vector-retrieval-and-self-evolving-skills/) appeared first on [MarkTechPost](https://www.marktechpost.com).", "url": "https://wpnews.pro/news/meet-everos-an-open-source-markdown-first-agent-memory-runtime-with-hybrid-bm25", "canonical_source": "https://www.marktechpost.com/2026/06/29/meet-everos-an-open-source-markdown-first-agent-memory-runtime-with-hybrid-bm25-vector-retrieval-and-self-evolving-skills/", "published_at": "2026-06-29 10:42:47+00:00", "updated_at": "2026-06-29 12:44:46.053481+00:00", "lang": "en", "topics": ["ai-agents", "ai-tools", "ai-infrastructure"], "entities": ["EverMind", "EverOS", "SQLite", "LanceDB", "Apache 2.0", "MarkTechPost"], "alternates": {"html": "https://wpnews.pro/news/meet-everos-an-open-source-markdown-first-agent-memory-runtime-with-hybrid-bm25", "markdown": "https://wpnews.pro/news/meet-everos-an-open-source-markdown-first-agent-memory-runtime-with-hybrid-bm25.md", "text": "https://wpnews.pro/news/meet-everos-an-open-source-markdown-first-agent-memory-runtime-with-hybrid-bm25.txt", "jsonld": "https://wpnews.pro/news/meet-everos-an-open-source-markdown-first-agent-memory-runtime-with-hybrid-bm25.jsonld"}}