mcp · Global

Agentic-HEC-RAS

Skills + MCP server to drive HEC-RAS headless (run plans, read HDF results, plot, compare) via natural language. Sibling of agentic-swmm-workflow and Agentic-MIKE-Plus.

Visit source ↗GitHub repository ↗

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What's in it

Data offered llm-inferred: HEC-RAS plan execution headless via Ras.exe -c (ras_run; needs Windows + HEC-RAS) · run QA status: max WSEL error, volume error %, ERROR/WARNING lines · HDF results summary: cross-section peaks, 2D wet cells, max depth, volume accounting · single-series timeseries with peak and timing · baseline vs scenario comparison: delta peak, timing, RMSE, NSE, volume · hydrograph overlay, max-WSE profile and 2D max-depth map plots · boundary table edits (flow, stage, lateral, precipitation, gate) and plan settings · sha256 provenance manifest
Coverage llm-inferred: Global (ENTRY regions); works on any existing HEC-RAS 1D, 2D or 1D/2D project
Formats docs-verified: .p##.hdf (HDF5 results) · PNG (figures) · HEC-RAS project text files (.prj, .u##, .p##) · MCP stdio
Access docs-verified: Free and open, MIT licence (per ENTRY); no API key or OAuth. ras_run needs HEC-RAS 6.x / 7.0.1 installed on Windows (free download, no licence).

Useful for

Use cases llm-inferred: Flood sensitivity test: run a 2D plan with +20% upstream inflow and compare downstream peak stage against baseline · Scenario comparison for a flood risk or FRA study: peak, timing, RMSE/NSE and volume deltas across runs · QA audit of client HEC-RAS results: run status, volume error and sha256 provenance manifest · Teammate review of existing .p##.hdf results on machines without HEC-RAS installed
Audience llm-inferred: flood consultants · hydraulic modellers · hydrologists · civils engineers

Limitations

Constraints docs-verified: Experimental / pre-release; v0.1 scope · Operates on existing HEC-RAS projects only; building new terrain, 2D mesh, cross sections or structures still needs RAS Mapper / GUI · Runs need Windows + HEC-RAS; Linux compute engines are not wired into ras_run · Gridded (DSS) precipitation and steady-flow (.f##) profiles are read but not edited · HEC-RAS may show a Terms and Conditions for Use form on headless launches; ras_run accepts it by default (accept_tcu) · Verified end to end on the Muncie 2D example with HEC-RAS 7.0.1 only

Licence: MIT
Authentication: Unknown — review source docs
GitHub stars: 2
Last commit: 16/08/2026
Last successful page check: 14/10/2026
Page health: healthy
Package: Not recorded
Verification: Not independently verified

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

Provenance & evidence

Tools/install/auth auto-extracted from README; quality score heuristic (stars, recency, tool count, licence).

Metadata observed 16/10/2026 · research sweep: github-search