Show HN: MDV — Markdown Superset for Docs, Dashboards, and Slides with Live Data (116pts)

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MDV, a new open-source tool at 116pts/43 comments on HN, extends Markdown into a superset supporting docs, dashboards, and presentation slides with embedded live data queries. For builders running agentic pipelines or data workflows, this offers a single-file format that combines documentation with real-time data visualization — useful for AI pipeline dashboards and automated reporting without leaving the terminal-friendly Markdown ecosystem.