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 AlpacaLabsLLC/skills-for-architects --skill zoning-envelopegit clone --depth 1 https://github.com/AlpacaLabsLLC/skills-for-architectsWrote 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/alpacalabsllc/skills-for-architects/zoning-envelope)<a href="https://agentmods.dev/skills/alpacalabsllc/skills-for-architects/zoning-envelope"><img src="https://agentmods.dev/badge/skills/alpacalabsllc/skills-for-architects/zoning-envelope/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/alpacalabsllc/skills-for-architects/zoning-envelope"><img src="https://agentmods.dev/badge/skills/alpacalabsllc/skills-for-architects/zoning-envelope.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 1 finding, up to high
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- high Prompt Injection · line 15 Hidden instructions were detected in comments or invisible text. These could contain malicious directives. Manual review is recommended.Fix: Audit all comments and invisible characters. Remove any instructions that direct the agent to perform unauthorized actions. Use plain, reviewable content.
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 | $0.00060 | $0.02784 |
| Opus 5 | $0.00030 | $0.01392 |
| Sonnet 5 | $0.00012 | $0.00557 |
| Haiku 4.5 | $0.00006 | $0.00278 |
Grade A, and why
zoning-envelope scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 218 lines — stays where its author put it; the contents beside it link to each section on GitHub.
/as:zoning-envelope — 3D Zoning Envelope Viewer
Harness note: use
/as:<skill>on Claude Code and$<skill>on Codex. Resolve<skill-root>as the directory containing this loadedSKILL.mdand<plugin-root>as the plugin root that containsskills/, and use equivalent native tools when host tool names differ.
Generate an interactive 3D axonometric zoning envelope viewer as a single HTML file. Uses Three.js with OrbitControls, loaded from a CDN — opens in any modern browser, no install or build step, but an internet connection is required the first time the file is viewed (the Three.js modules are fetched from jsdelivr, not embedded; offline the page loads but the 3D scene will not render).
Requires a zoning analysis report generated by /as:zoning-analysis-nyc. This skill is a renderer — it does not perform zoning calculations.
Project context
If PROJECT.md exists in the working directory, read it before fetching — lot geometry and bulk controls may already be on file from /as:zoning-analysis-nyc. After completing, offer a one-line envelope summary and viewer path to /as:project update for its Zoning section, each with a source and date. No PROJECT.md? Skip silently — or mention /as:project init if the user is clearly starting a project.
Usage
/as:zoning-envelope path/to/zoning-analysis.md
/as:zoning-envelope 250 hudson
/as:zoning-envelope
Step 1: Find the Report
If a .md path is provided
Read the file directly.
If a search term is provided (address, etc.)
Search for matching zoning analysis reports in the current working directory.
Use Glob + Grep to find reports matching the search term. If multiple matches, show the options and ask the user to pick one.
If no argument is provided
Search for the most recently modified zoning-analysis-*.md file in the current working directory. If found, confirm with the user. If not found, tell the user:
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.
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.
- 12d ago First seen · 218 lines · 60 tokens per session scan A cbc3703ca592
zoning-envelope is a skill published in the GitHub repository AlpacaLabsLLC/skills-for-architects (353 stars, last pushed 8d ago), licensed MIT. It adds 60 tokens to every session and 2,784 once invoked, about $0.0003 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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