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Category
Developer Tools
Rank
No. 1081Tools index
Pricing
Open Source
Platform
cli · web
Type
TOOL
GitHub
31 stars
Date

About

An open-source, Apache-2.0 text-to-SQL engine that lets you configure and measure every stage of the pipeline (schema enrichment, retrieval, model choice, query verification) against your own database rather than relying on generic benchmark accuracy. It enforces read-only, permission-checked, dialect-valid queries before execution and will explicitly refuse to answer when the schema lacks the needed data, rather than fabricating a plausible result.

What it can do

  • Convert natural language questions into SQL queries

    Natural language questionSQL query

  • Verify generated queries are read-only, permission-checked, and dialect-valid before execution

    SQL queryValidated query or rejection

  • Refuse to answer when the database schema lacks the needed data

    Natural language question and schemaRefusal response

  • Run an evaluation harness to measure text-to-SQL accuracy on a user's own database

    Database and test queriesAccuracy metrics

  • Perform tiered semantic enrichment of database schema

    Database schemaEnriched schema metadata

Tags

text-to-sqlnl2sqlsql-generationllmdatabaseopen-sourceevaluation-harnessduckdb

Tech Stack

Python

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Editorially curated, with community endorsements as a secondary signal. Corrections welcome.