Show HN: MDV – a Markdown superset for docs, dashboards, and slides with data

Re:Show HN: MDV – a Markdown superset for docs, dashboards, ... by amcaskill on Saturday April 18, 2026 @01:50PM (#47817913)

I work on a dashboarding / BI solution that is also built around markdown and clickhouse. www.evidence.dev

We moved to stripe's Markdoc variant for the component syntax last year and have been really happy with it. Models are good at writing it, people are good at reviewing it.

Here's an area chart that would issue a SQL query for weekly revenue totals:

``` {% area_chart data="my_table" x="date" y="sum(revenue)" date_grain="week" /%} ```

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Re:Show HN: MDV – a Markdown superset for docs, dashboards, ... by tnolet on Saturday April 18, 2026 @05:01PM (#47819493)

This is XML without the < and >

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Re:Show HN: MDV – a Markdown superset for docs, dashboards, ... by Diti on Saturday April 18, 2026 @05:50PM (#47819817)

Yeah, why not go directly the route of custom HTML elements in Markdown anyway, since HTML inside Markdown is valid?

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Re:Show HN: MDV – a Markdown superset for docs, dashboards, ... by mbreese on Saturday April 18, 2026 @09:09PM (#47820979)

My guess is parsability. It’s easier to look for sentinel ``` blocks as opposed to building an HTML processor. An XML processor would have been easier, but people like Markdown. So, here we are.

At least, that would’ve my rationale.

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