A Ruby gem for reading and recording robotic dataset in LeRobot v3.0 format using OpenCV and Parquet.

Download, import, query, sync, and serve Overture Maps open geospatial data: bbox-filtered GeoParquet extracts via DuckDB, PostGIS imports with GERS changelog syncing, an ad-hoc query API, a mountable REST/MVT engine, and an MCP server. Unofficial community gem, not affiliated with the Overture M...

Tobias is a tool to help you find the optimal work_mem for your queries.