[HN]score: 0.15Hubbele Open-Source Markdown Notetaking for AI AgentsJuly 28, 2026Hubbele is an open-source, Markdown and HTML-based notetaking application designed to facilitate shared environments for human users and AI agents.HOW THIS AFFECTS YOU●builderYou can use this to build agent-user collaborative workflows using standard file formats.●designerThis offers a structured way to design interfaces where agents and humans interact with the same document state.read original ↗hubble.mdDAILY DIGEST_all newsbuilderresearcherfounderinvestordesignerpolicyhealthsubscribe →you don't check 9 sources — we do. one email every morning, read in 2 min. free. unsubscribe anytime. privacy← back to feed