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.
npx skills add sonomirco/agents-and-commands --skill grasshopper-analyzergit clone --depth 1 https://github.com/sonomirco/agents-and-commandsWrote 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/skills/sonomirco/agents-and-commands/grasshopper-analyzer)<a href="https://agentmods.dev/skills/sonomirco/agents-and-commands/grasshopper-analyzer"><img src="https://agentmods.dev/badge/skills/sonomirco/agents-and-commands/grasshopper-analyzer/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/skills/sonomirco/agents-and-commands/grasshopper-analyzer"><img src="https://agentmods.dev/badge/skills/sonomirco/agents-and-commands/grasshopper-analyzer.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 | $0.00034 | $0.00826 |
| Opus 5 | $0.00017 | $0.00413 |
| Sonnet 5 | $0.00007 | $0.00165 |
| Haiku 4.5 | $0.00003 | $0.00083 |
Grade A, and why
grasshopper-analyzer 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 10d 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 — 87 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Grasshopper Unified Analyzer
Automatically analyze Grasshopper XML definitions (.ghx) to understand workflow structure, extract custom C#/Python scripts, and generate comprehensive documentation suitable for porting to C#.
When to use this skill
Use this skill when the user:
- Asks to analyze a Grasshopper file or definition
- Wants to understand the structure of a .ghx file
- Needs to extract C# or Python scripts from Grasshopper components
- Requests documentation for a parametric workflow
- Mentions converting or porting Grasshopper logic to C#
- Needs algorithmic breakdown of a computational design script
What this skill does
- Parses Grasshopper XML (.ghx/.xml format) without requiring Rhino/Grasshopper runtime
- Builds workflow graph from components and connections
- Identifies topology: start/end nodes, branching points, merge points, primary workflow paths
- Extracts custom scripts: Full C# and Python code with input/output parameters
- Detects dependencies: Libraries, Rhino.Geometry, RhinoCommon SDK references
- Generates comprehensive report with:
- Executive Summary (purpose and scope)
- Workflow Summary (topology and primary flow)
- Libraries & Dependencies
- Custom Script Analysis (full code with I/O metadata)
- Algorithmic Analysis (A-E format for C# developers)
- Definition Summary (component counts, statistics)
How to use
Execute the unified analyzer script:
python ~/.claude/skills/grasshopper-analyzer/gh-unified-analyzer.py "path/to/file.ghx"
Arguments:
- Path to .ghx or .xml file (binary .gh files are NOT supported)
Example:
python ~/.claude/skills/grasshopper-analyzer/gh-unified-analyzer.py ~/Desktop/parametric-design.ghx
Output
The analyzer generates a comprehensive Markdown report:
- Location:
<input-filename>-grasshopper-report.md(same directory as input) - Format: Single structured Markdown document
Report Structure
- Executive Summary - Purpose, scope, and component counts
- Workflow Summary - Start/end nodes, branching, primary flow
- Libraries and Dependencies - External assemblies and references
- Key Grasshopper Components - Standard components used (grid, remap, etc.)
- Custom Script Analysis - Full code listings with I/O parameters
- Algorithmic Analysis (A-E format):
- A. High-Level Algorithmic Summary
- B. Core Algorithm Breakdown (input → processing → output)
- C. Key Computational Components (purpose, algorithm, dependencies)
- D. Data Flow Architecture (parameters and processing order)
- E. Implementation Notes for C# Developer (dependencies, performance, edge cases)
- Definition Summary - Statistics (component count, scripts, libraries, paths)
What ships with it
3 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.
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.
- 10d ago First seen · 87 lines · 34 tokens per session scan A 4d3812ab281a
grasshopper-analyzer is a skill published in the GitHub repository sonomirco/agents-and-commands (12 stars, last pushed 6mo ago), licensed Apache-2.0. It adds 34 tokens to every session and 826 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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