MetricFlow – open-source metric framework
Hi HN community, I’m Nick, co-founder/CEO of Transform.co. I’m thrilled to share MetricFlow, an open-source metric creation framework: https://github.com/transform-data/metricflow MetricFlow strives to make what has historically been an extremely repetitive process, writing SQL queries on core normalized data models, much more DRY. MetricFlow consolidates the definitions for joins, aggregations, filters, etc., and programmatically generates SQL to construct data marts. You can think of it like LookML, but more powerful and ergonomic (and open source!). The project…
MetricFlow – open-source metric framework launched on April 6, 2022 with 98 votes, #326 of 2,974 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 4 years on.
In plain words
MetricFlow is an open-source framework that automates SQL query generation for data analysis. It reduces repetitive work by consolidating metric definitions like joins, aggregations, and filters into reusable abstractions, then programmatically generates SQL for data marts. Designed for data engineers and analysts working with normalized data models, MetricFlow offers a more powerful and ergonomic alternative to existing metric definition tools.
written from the facts on this page · September 2026
From the sources
MetricFlow allows you to define, build, and maintain metrics in code. - dbt-labs/metricflow
In the maker’s words, at launch
Hi HN community, I’m Nick, co-founder/CEO of Transform.co. I’m thrilled to share MetricFlow, an open-source metric creation framework: https://github.com/transform-data/metricflow MetricFlow strives to make what has historically been an extremely repetitive process, writing SQL queries on…
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