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The RAS Commander family

Open-source, LLM Forward automation for HEC-RAS and HEC-HMS — built by CLB Engineering Corporation. Pick a project below; the bar at the top switches between them on any page.

Libraries

  • The flagship Python library for automating HEC-RAS — 50+ modules spanning plan execution, HDF results extraction, geometry parsing, QA/QC, USGS integration, and remote distributed compute. The most robust and powerful way to use the library.

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  • The full companion library for automating HEC-HMS — basin/met/control models, runs, DSS, results analysis, Atlas-14 storms, and cloud-native export.

    Open the docs

Tools

These expose a focused subset of capabilities. For the most complete and powerful workflow, reach for the ras-commander library directly.

  • A Model Context Protocol server that lets Claude and other LLMs query HEC-RAS projects through a curated subset of ras-commander.

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  • Hydrology / Arc Hydro helper tools built on ras-commander.

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  • A QGIS plugin surfacing a subset of ras-commander inside the QGIS GUI.

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An open-source project of CLB Engineering Corporation · LLM Forward Engineering.

CLB Engineering Corporation  ·  LLM Forward Engineering
RAS Commander is a free and open-source project maintained by CLB Engineering Corporation. For agencies and firms modernizing H&H workflows with LLM Forward approaches, contact CLB to partner with the engineers who wrote the automation.