Show HN: Skardi – SQL across Postgres, S3, and data lakes, served as a REST API

Category: devtools

Tags: sql-federation, rest-api, data-engineering

Score: 7.5/10 (Innovation: 7, Technical: 8, Documentation: 8, Utility: 7)

Skardi is a Rust-based tool that provides federated SQL querying across diverse data sources (Postgres, S3, data lakes, vector stores) and automatically exposes those queries as parameterized REST APIs. It's interesting because it combines a powerful query engine (Apache DataFusion) with a declarative, low-code API generation layer, targeting both local data exploration and production API serving.

Target audience: data engineers, backend devs, devops

Repository: https://github.com/SkardiLabs/skardi · Rust · Apache-2.0 · 36 stars

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