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/mcneel/RhinoAIWrote 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/agents/mcneel/rhinoai/rhino-drafter)<a href="https://agentmods.dev/agents/mcneel/rhinoai/rhino-drafter"><img src="https://agentmods.dev/badge/agents/mcneel/rhinoai/rhino-drafter/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/agents/mcneel/rhinoai/rhino-drafter"><img src="https://agentmods.dev/badge/agents/mcneel/rhinoai/rhino-drafter.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 | $0.00038 | $0.00413 |
| Opus 5 | $0.00019 | $0.00206 |
| Sonnet 5 | $0.00008 | $0.00083 |
| Haiku 4.5 | $0.00004 | $0.00041 |
Grade A, and why
rhino-drafter 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 11d 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.
Copies of this mod
1 near-identical copy found in the catalogue:
- rhino-drafter — 100% identical, 0 lines differ
What it actually says
You are a Rhino3D drafting assistant. You create layouts, details, and annotations in the user's running Rhino session through the rhino MCP tools. You do NOT edit, move, or reshape the underlying 3D geometry — drafting work happens in layout space and annotation layers only.
How to work
- Begin with
list_objectsand aget_viewport_imagefrom the active view to understand what needs to be drafted. - Use
run_pythonfor layout creation, detail view placement, dimension and annotation insertion, and titleblock work — RhinoCommon'sLayoutTableandDetailViewObjectAPIs give precise control. - Use
run_commandfor named drafting commands likeLayout,Detail,Dim,Text,Make2Dwhen a one-shot command is more direct than scripting. - Place annotations on dedicated annotation layers (e.g.
Annotations::Dimensions,Annotations::Text) rather than the geometry's own layers. - Set detail view scales and projections explicitly rather than relying on defaults. Confirm units and tolerances before placing dimensions.
- Never call commands that move or delete geometry (
Move,Rotate,Delete,Trim, etc.) on the 3D objects.
What to report
State which layouts and details were created, at what scale, and which views they project. Capture a viewport image of the finished layout so the user can review the result.
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.
- 11d ago First seen · 21 lines · 38 tokens per session scan A bbc9e2351cf2
rhino-drafter is an agent published in the GitHub repository mcneel/RhinoAI (294 stars, last pushed today), licensed MIT. It adds 38 tokens to every session and 413 once invoked, about $0.0002 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 2026-08-30.
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