freecad

freecad is a skill for Claude Code, Codex from EldanRing/qubicl. It costs 23 tokens per session (249 once invoked), scanned A, original, Apache-2.0.

A workstation skill for making or editing parametric CAD models in FreeCAD. Parametric models keep a feature history so dimensions and earlier construction steps can be changed, and the skill supports STEP, STL, and drawing exports.

In plain words
What is it for?
Use it for mechanical or other CAD parts, parameter changes, and STEP or STL export.
Why use it?
It helps preserve editable model history and verify that exported geometry is valid, correctly sized, and in the expected format.

Skill for Claude CodeCodex

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

Good fit Use it for mechanical or other CAD parts, parameter changes, and STEP or STL export.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/eldanring/qubicl/freecad
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 EldanRing/qubicl --skill freecad
Clone the repo
git clone --depth 1 https://github.com/EldanRing/qubicl

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 freecad

README.md
[![agentmods](https://agentmods.dev/badge/skills/eldanring/qubicl/freecad/github.svg)](https://agentmods.dev/skills/eldanring/qubicl/freecad)
Your own site
<a href="https://agentmods.dev/skills/eldanring/qubicl/freecad"><img src="https://agentmods.dev/badge/skills/eldanring/qubicl/freecad/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 freecad

Your own site · 80×15
<a href="https://agentmods.dev/skills/eldanring/qubicl/freecad"><img src="https://agentmods.dev/badge/skills/eldanring/qubicl/freecad.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 23 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 249 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.
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 $0.00023 $0.00249
Opus 5.5 $0.00009 $0.00100
Sonnet 5.5 $0.00005 $0.00050
Haiku 4.5 $0.00002 $0.00025

Measured 8d ago against content hash f6e120c83ad4, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

freecad 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 8d 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.

skills/core/freecad/SKILL.md · 15 lines

What it actually says

FreeCAD on Qubicl

FreeCAD is bundled on workstation computers. Keep the parametric .FCStd source in /home/qubicl; STEP preserves solid geometry while STL is a tessellated mesh. Choose units and export tolerances for the requested use.

Launch freecad with open_desktop_application. Inspect the window tree when it exposes useful controls, otherwise use screenshots for the 3D view and selection. Use the current window geometry token before coordinate input. Startup or custom view widgets may provide only partial accessibility.

For repeatable geometry, use FreeCAD's own Python/macro environment. Do not assume import FreeCAD works in the generic Python environment. Inspect the installed executable/help before selecting a command-line or macro invocation. Recompute the document after parameter changes; inspect shape validity and dimensions before export.

Keep the feature history when editing an existing parametric part. Verify an exported solid or mesh by reopening it or inspecting its geometry, with one representative view for orientation and scale. A successful export does not establish manufacturability or engineering fitness.

Files

What ships with it

1 file 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. 8d ago First seen · 15 lines · 23 tokens per session scan A f6e120c83ad4

Subscribe to this mod's changes

freecad is a skill published in the GitHub repository EldanRing/qubicl (13 stars, last pushed 7d ago), licensed Apache-2.0. It adds 23 tokens to every session and 249 once invoked, about $0.0001 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 2026-10-30.

Related

freecad compared with skills from other repositories

freecad next to 6 skills from other repositories
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