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.
git clone --depth 1 https://github.com/jasperhartong/sketchup-codeWrote 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.
[](https://agentmods.dev/rules/jasperhartong/sketchup-code/sketchup-ruby-api-docs)<a href="https://agentmods.dev/rules/jasperhartong/sketchup-code/sketchup-ruby-api-docs"><img src="https://agentmods.dev/badge/rules/jasperhartong/sketchup-code/sketchup-ruby-api-docs/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.
<a href="https://agentmods.dev/rules/jasperhartong/sketchup-code/sketchup-ruby-api-docs"><img src="https://agentmods.dev/badge/rules/jasperhartong/sketchup-code/sketchup-ruby-api-docs.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00602 | $0.00602 |
| Opus 5.5 | $0.00241 | $0.00241 |
| Sonnet 5.5 | $0.00120 | $0.00120 |
| Haiku 4.5 | $0.00060 | $0.00060 |
Grade A, and why
sketchup-ruby-api-docs 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 2mo 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.
How it starts
The opening of the file, as written. The whole thing — 44 lines — stays where its author put it; the contents beside it link to each section on GitHub.
SketchUp Ruby API — Docs in Agent Context
Use this rule and the project index file for any SketchUp Ruby API lookup.
Index file (single source of truth)
The full class/module index with links is in:
docs/sketchup-ruby-api-index.md
When you need a class, method, or guide: open that file. It contains the official SketchUp Ruby API index (file listing + namespace A–Z with URLs).
Quick reference (always available)
- Docs root: https://ruby.sketchup.com/
- Alphabetic index: https://ruby.sketchup.com/_index.html
- Generating geometry: https://ruby.sketchup.com/file.generating_geometry.html
- Sketchup::Entities: https://ruby.sketchup.com/Sketchup/Entities.html
- Entities#add_dimension_linear: https://ruby.sketchup.com/Sketchup/Entities.html#add_dimension_linear-instance_method
- Sketchup::DimensionLinear: https://ruby.sketchup.com/Sketchup/DimensionLinear.html
- Sketchup::Model: https://ruby.sketchup.com/Sketchup/Model.html
- Geom module: https://ruby.sketchup.com/Geom.html (Point3d, Vector3d, BoundingBox, Transformation)
- Sketchup::ComponentInstance: https://ruby.sketchup.com/Sketchup/ComponentInstance.html
- Sketchup::Group: https://ruby.sketchup.com/Sketchup/Group.html
- UI::Notification: https://ruby.sketchup.com/UI/Notification.html (non-blocking toast; constructor: extension, message, icon_name, icon_tooltip; use
.show; auto-dismisses if no on_accept/on_dismiss)
For any other class or method, use docs/sketchup-ruby-api-index.md or the official alphabetic index above.
Keeping the quick reference up to date
When you use or learn a new important SketchUp Ruby API method (non-obvious, easy to get wrong, or likely to be needed again):
- Add it to the Quick reference in this file (
.cursor/rules/sketchup-ruby-api-docs.mdc). - Use one line per entry:
- **Class#method_or_class:** URLwith the official docs link (e.g.#method_name-instance_methodfor instance methods). - Prefer methods we had to look up, debug, or that have subtle behavior (e.g.
d.start/d.send(:end)for DimensionLinear, units in inches, etc.).
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.
- 2mo ago First seen · 44 lines · 602 tokens per session scan A 4c72917101af
sketchup-ruby-api-docs is a cursor rule published in the GitHub repository jasperhartong/sketchup-code (6 stars, last pushed 5mo ago), licensed MIT. It adds 602 tokens to every session, about $0.0024 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 2026-08-31.
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