staad-loading

staad-loading is a skill for Claude Code, Codex from BentleySystems/openstaad-mcp. It costs 898 tokens per session (9,563 once invoked), scanned A, original, MIT.

A skill for defining loads in STAAD.Pro, a structural engineering program. It covers load cases, self-weight, node and member loads, plate pressure, temperature, wind, seismic, and load combinations.

In plain words
What is it for?
Use it to create and activate load cases, apply gravity or other loads to model elements, define load combinations, and query load data.
Why use it?
It helps represent the forces and conditions a structural model must withstand in a consistent way.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to create and activate load cases, apply gravity or other loads to model elements, define load combinations, and query load data.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/bentleysystems/openstaad-mcp/staad-loading
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add BentleySystems/openstaad-mcp --skill staad-loading
Clone the repo
git clone --depth 1 https://github.com/BentleySystems/openstaad-mcp

Made for: Claude Code, Codex.

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 staad-loading

README.md
[![agentmods](https://agentmods.dev/badge/skills/bentleysystems/openstaad-mcp/staad-loading/github.svg)](https://agentmods.dev/skills/bentleysystems/openstaad-mcp/staad-loading)
Your own site
<a href="https://agentmods.dev/skills/bentleysystems/openstaad-mcp/staad-loading"><img src="https://agentmods.dev/badge/skills/bentleysystems/openstaad-mcp/staad-loading/github.svg" alt="Measured on agentmods" height="20"></a>

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 staad-loading

Your own site · 80×15
<a href="https://agentmods.dev/skills/bentleysystems/openstaad-mcp/staad-loading"><img src="https://agentmods.dev/badge/skills/bentleysystems/openstaad-mcp/staad-loading.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 898 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 9,563 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 $0.00898 $0.09563
Opus 5.5 $0.00359 $0.03825
Sonnet 5.5 $0.00180 $0.01913
Haiku 4.5 $0.00090 $0.00956

Measured 25d ago against content hash 6bf8fcae0f81, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

staad-loading 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 25d ago.

The scan reads SKILL.md. This mod also ships 6 executable files (scripts/enclosed-zone.py, scripts/hydrostatic-tank.py, scripts/load-lists-and-reference-loads.py, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

src/openstaad_mcp/staad_skills/staad-loading/SKILL.md · 539 lines

How it starts

The opening of the file, as written. The whole thing — 539 lines — stays where its author put it; the contents beside it link to each section on GitHub.

STAAD.Pro Loading

Instructions

  • Define the shorthand once per script: load = staad.Load

Load Cases

  • load.CreateNewPrimaryLoadEx(title, loadType) → load case ID, auto-assigned and typed (preferred — also available: CreateNewPrimaryLoad(title) untyped, CreateNewPrimaryLoadEx2(title, loadType, loadCaseNo) for an explicit case number)
  • Always call load.SetLoadActive(lcId) before adding any items to that case

Load type codes (full table in the Reference section — LOAD_CODES.md):

loadType Meaning
0 Dead
1 Live
3 Wind
4 Seismic-H
5 Snow
7 Fluids

Self-Weight

load.AddSelfWeightInXYZ(direction, factor) — direction is an integer, factor is a float.

direction Axis When to use
1 X Lateral
2 Y Gravity when IsZUp()==False (Y-up)
3 Z Gravity when IsZUp()==True (Z-up)

factor: -1.0 for gravity (negative = downward along the axis)

# Apply to all elements
load.AddSelfWeightInXYZ(3 if geo.IsZUp() else 2, -1.0)

# Apply to specific elements only
load.AddSelfWeightInXYZToGeometry(elementIds, 3 if geo.IsZUp() else 2, -1.0)

Nodal Loads

# FX/FY/FZ/MX/MY/MZ: CURRENT SetInputUnits, converted to base for storage
# (verified: FX=100 while input=kN is stored as 22.4809 kip). GetNodalLoads
# returns a FIXED base-unit value afterward. Same convention applies to
# essentially every other load-adding function below (AddMemberUniformForce,
# AddMemberConcForce, AddElementPressure, AddEnclosedZoneLoad, etc.).
load.AddNodalLoad(nodeIds, FX, FY, FZ, MX, MY, MZ)

# Support displacement (prescribed)
load.AddSupportDisplacement(nodeIds, direction, value)

Member Loads

Uniform force (full or partial span):

Read the full file on GitHub · 539 lines

Files

What ships with it

7 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 25d ago Changed · +304 lines · +721 tokens per session 6bf8fcae0f81
  2. 1mo ago First seen · 235 lines · 177 tokens per session scan A a4a9b956abdc

Subscribe to this mod's changes

staad-loading is a skill published in the GitHub repository BentleySystems/openstaad-mcp (52 stars, last pushed yesterday), licensed MIT. It adds 898 tokens to every session and 9,563 once invoked, about $0.0036 per session on Opus 5.5. 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 2026-08-30.

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