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 Abhinavbwj/Urban-Design-Skills-Claude --skill zoning-and-codesgit clone --depth 1 https://github.com/Abhinavbwj/Urban-Design-Skills-ClaudeWrote 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/abhinavbwj/urban-design-skills-claude/zoning-and-codes)<a href="https://agentmods.dev/skills/abhinavbwj/urban-design-skills-claude/zoning-and-codes"><img src="https://agentmods.dev/badge/skills/abhinavbwj/urban-design-skills-claude/zoning-and-codes/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/abhinavbwj/urban-design-skills-claude/zoning-and-codes"><img src="https://agentmods.dev/badge/skills/abhinavbwj/urban-design-skills-claude/zoning-and-codes.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 | $0.00108 | $0.09006 |
| Opus 5 | $0.00054 | $0.04503 |
| Sonnet 5 | $0.00022 | $0.01801 |
| Haiku 4.5 | $0.00011 | $0.00901 |
Grade A, and why
zoning-and-codes 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 13d 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 — 478 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Zoning and Codes Skill
This skill provides comprehensive zoning analysis and form-based code generation capabilities for urban design and masterplanning projects. It covers the full spectrum of zoning approaches from conventional Euclidean zoning through transect-based SmartCode, and provides detailed workflows for translating design intent into enforceable regulatory language. The skill draws from the SmartCode, Miami 21, Denver Form-Based Code, and international best practices in development regulation.
1. Zoning System Types
Use the following comparison matrix to select the appropriate zoning approach for a given project context. Each system has distinct strengths and is suited to different planning objectives.
Comparison Matrix
| Type | Primary Controls | Strengths | Weaknesses | Best For |
|---|---|---|---|---|
| Euclidean | Use categories (residential, commercial, industrial) + dimensional standards (setback, height, lot size, FAR) | Simple to administer; predictable outcomes; well-understood by developers and communities; extensive legal precedent | Rigid separation of uses enforces automobile dependence and sprawl; does not address building form or public realm quality; encourages lowest-common-denominator development | Stable suburban areas; low-density residential neighborhoods; industrial zones; contexts where predictability is the primary goal |
| Performance | Impact metrics (traffic generation, noise levels, shadow/daylight access, stormwater runoff, air quality emissions) | Highly flexible; focuses on outcomes rather than prescriptions; encourages innovation in design solutions; can accommodate unforeseen uses | Complex to administer and enforce; requires technical expertise for review; unpredictable physical outcomes; challenging for community members to understand | Mixed-use areas where impact matters more than form; transitional zones between incompatible uses; innovation districts; areas with complex environmental constraints |
| Form-Based | Building form (height, setback, coverage, FAR), frontage types, building types, public space standards | Produces predictable physical form and high-quality public realm; enables mixed-use by right; regulates what matters most to communities (physical character); illustrated and accessible | Requires design expertise to draft and administer; less familiar to many planning departments; can be perceived as overly prescriptive for building design; initial adoption requires education | New development and infill projects; downtown revitalization; transit-oriented development; areas where physical character is the primary concern; urban renewal zones |
| Transect-Based (SmartCode) | Rural-to-urban gradient zones (T1-T6) with calibrated standards for each zone; integrates thoroughfare, civic space, and building standards | Holistic and context-sensitive; addresses the full range of human settlement patterns; internally consistent; treats urbanism as an ecology; comprehensive framework | Requires paradigm shift from conventional zoning thinking; initial calibration to local context is labor-intensive; may not fit jurisdictions with highly irregular development patterns | Comprehensive plan implementation; greenfield master-planned communities; complete code replacements; jurisdictions ready for a fundamentally different approach to regulation |
| Hybrid | Combination of two or more approaches (e.g., form-based for downtown + Euclidean for suburban residential + performance for industrial/environmental overlay) | Balanced approach; can tailor regulation to distinct character areas; pragmatic; easier political adoption by preserving familiar systems where they work | Can be complex to navigate; risk of internal contradictions between systems; may confuse applicants moving between zones with different regulatory logic | Most real-world applications; jurisdictions transitioning from Euclidean to form-based; cities with diverse character areas requiring different regulatory approaches |
What ships with it
2 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.
- 13d ago First seen · 478 lines · 108 tokens per session scan A 23aba477681e
zoning-and-codes is a skill published in the GitHub repository Abhinavbwj/Urban-Design-Skills-Claude (129 stars, last pushed 6mo ago), licensed MIT. It adds 108 tokens to every session and 9,006 once invoked, about $0.0005 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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