ras-commander: Skill for Claude Code

.claude/skills/qa_rasmapper_spatial-review/SKILL.md

qa_rasmapper_spatial-review is a skill for Claude Code from gpt-cmdr/ras-commander. It costs 79 tokens per session (1,979 once invoked), scanned A, original, MIT.

A spatial review workflow for HEC-RAS models using RASMapper, the HEC-RAS tool for viewing maps, terrain, model geometry, and simulation results. It automates layer changes, map views, and screenshots.

In plain words
What is it for?
It is for reviewing flow areas, structures, breaklines, terrain, reference maps, basemaps, and results, then capturing screenshots from selected model extents.
Why use it?
It makes it easier to inspect whether spatial model data and map layers are correct and to create consistent visual evidence for quality checks or documentation.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is gpt-cmdr/ras-commander's own configuration. It tells Claude Code how to work on ras-commander itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything ras-commander configures →

Reuse

Borrowing it

Nothing to install: this file belongs to gpt-cmdr/ras-commander. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/gpt-cmdr/ras-commander/main/.claude/skills/qa_rasmapper_spatial-review/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/gpt-cmdr/ras-commander

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for qa_rasmapper_spatial-review

README.md
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Your own site
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Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for qa_rasmapper_spatial-review

Your own site · 80×15
<a href="https://agentmods.dev/skills/gpt-cmdr/ras-commander/qa_rasmapper_spatial-review"><img src="https://agentmods.dev/badge/skills/gpt-cmdr/ras-commander/qa_rasmapper_spatial-review.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 79 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,979 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00079 $0.01979
Opus 5 $0.00039 $0.00989
Sonnet 5 $0.00016 $0.00396
Haiku 4.5 $0.00008 $0.00198

Measured 5d ago against content hash eeebd63db56a, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

qa_rasmapper_spatial-review scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 5d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.claude/skills/qa_rasmapper_spatial-review/SKILL.md · 247 lines

How it starts

The opening of the file, as written. The whole thing — 247 lines — stays where its author put it; the contents beside it link to each section on GitHub.

RASMapper Spatial Review

Use this skill when a task needs agent-readable RASMapper context: visual QA/QC, spatial documentation, layer-state review, reference map verification, or a snapshot-driven inspection of 2D flow areas, structures, breaklines, and terrain.

This is a shared workflow skill. Keep it as a lightweight navigator that points agents to ras-commander APIs and tests instead of duplicating implementation.

Primary Sources

Read these first when exact behavior matters:

  • ras_commander/RasMap.py - public API surface
  • ras_commander/_rasmap_control_helper.py - RASMapper view, layer, launch, and snapshot helpers
  • ras_commander/_rasmap_layer_helper.py - reference map, basemap, and GeoJSON validation helpers
  • docs/user-guide/spatial-data.md - user-facing workflow examples
  • tests/test_rasmap_map_layers.py - expected XML/HDF behavior

When To Use

Use for:

  • Capturing RASMapper screenshots for documentation or agent review
  • Toggling geometry child elements such as RASD2FlowArea, LateralStructureLayer, StructureLayer, RASXS, and mesh perimeter layers
  • Reviewing terrain context with "Update Legend with View" enabled
  • Verifying reference map layers, shapefile layers, GeoJSON layers, and standard basemaps
  • Setting result and map-layer visibility state for deterministic figures
  • Checking whether a project is visually configured for spatial QA/QC
  • Preparing evidence for future numerical mesh/breakline alignment review

Do not use this skill for:

  • Running HEC-RAS computations
  • Mutating hydraulic geometry or results
  • Treating a screenshot as a substitute for numerical QA where numerical APIs exist

For deterministic RASMapper-to-MapLibre comparison, including matching desktop/mobile captures, semantic tree assertions, legend checks, and fixed-point COG probes, use the qa-rasmapper-web-parity skill after creating the native spatial review package.

Safety Notes

  • These workflows edit .rasmap layer, terrain, legend, and viewport state. Prefer a copied project in working/ when the user has not asked to mutate the original project presentation state.
  • RASMapper screenshots require Windows and a visible standalone RasMapper.exe window.
  • GeoJSON reference layers must be WGS84/EPSG:4326. RasMap.add_reference_map_layer validates this and raises ValueError for incompatible GeoJSON sources.
  • Always close RASMapper by PID after capture when the workflow launched it.

Read the full file on GitHub · 247 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 5d ago First seen · 247 lines · 79 tokens per session scan A eeebd63db56a

Subscribe to this mod's changes

qa_rasmapper_spatial-review is a skill published in the GitHub repository gpt-cmdr/ras-commander (79 stars, last pushed today), licensed MIT. It adds 79 tokens to every session and 1,979 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

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