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RAS Commander MCP

MCP Server to Access HEC-RAS Project Data via Claude Desktop, Claude Code and other LLMs

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Data offered docs-verified: server/version information · project length units · plan descriptions · selected project/plan metadata · bounded read-only HEC-RAS project and plan text
Formats docs-verified: MCP stdio
Access docs-verified: Open-source, MIT licence (per registry metadata). Free local install from PyPI with python -m pip install --upgrade ras-commander-mcp. Requires Python 3.10+. No HEC-RAS executable needed. No auth listed in entry.

Use cases llm-inferred: Check project length units and plan descriptions in existing HEC-RAS models during flood model QA · Pull selected plan metadata from HEC-RAS text files into a bounded review note for a model handover · Confirm ras-commander and ras-commander-mcp versions in a managed environment before starting modelling work
Audience llm-inferred: flood consultants · hydraulic modellers · hydrologists

Constraints docs-verified: Read-only: does not modify projects, compute, read HDF/DSS, inspect geometry, extract gridded data, export files or download into projects · Project metadata and plan configuration need ras-commander 0.104.0; on 0.103.0 those tools return an availability error · Project tools are meant only for bounded informational subagents; other hosts need a scoped Python workflow · Only project roots listed in RAS_MCP_ALLOWED_ROOTS are readable; no roots are trusted by default · Claude Code plugin is forthcoming and its repository is not yet published · Version 0.4 replaces the 0.3 tool set and needs migration · Windows: other tools in a workflow may still fail on paths over 260 characters · Independent project, not affiliated with or endorsed by USACE HEC

Auto-extracted, unverified fields: tools, install. Check upstream documentation.

GitHub metadata observed via gh api. Authentication unknown unless README explicitly states it; review upstream access.

Metadata observed 14/10/2026 · editorial seed