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/Skills-Architects --skill daylighting-designgit clone --depth 1 https://github.com/Abhinavbwj/Skills-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/abhinavbwj/skills-architects/daylighting-design)<a href="https://agentmods.dev/skills/abhinavbwj/skills-architects/daylighting-design"><img src="https://agentmods.dev/badge/skills/abhinavbwj/skills-architects/daylighting-design/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/skills-architects/daylighting-design"><img src="https://agentmods.dev/badge/skills/abhinavbwj/skills-architects/daylighting-design.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 | $0.00025 | $0.09596 |
| Opus 5 | $0.00013 | $0.04798 |
| Sonnet 5 | $0.00005 | $0.01919 |
| Haiku 4.5 | $0.00003 | $0.00960 |
Grade A, and why
daylighting-design 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.
How it starts
The opening of the file, as written. The whole thing — 664 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Daylighting Design
Comprehensive knowledge base for natural daylighting strategies, solar geometry, shading device design, glare control, artificial lighting integration, and visual comfort optimization. Invoke this skill when addressing questions about window design, daylight simulation, shading calculations, lighting zones, circadian lighting, daylight metrics (sDA, ASE, UDI, DF), or any design decision involving natural light in buildings.
Section 1: Daylight Metrics
1.1 Daylight Factor (DF)
The Daylight Factor is the ratio of internal illuminance at a point on the working plane to the simultaneous unobstructed external horizontal illuminance under a CIE overcast sky, expressed as a percentage.
Formula: DF (%) = (E_internal / E_external) × 100
Components:
- Sky Component (SC) — direct light from visible sky through the window
- Externally Reflected Component (ERC) — light reflected from external surfaces (ground, adjacent buildings)
- Internally Reflected Component (IRC) — light reflected from internal room surfaces (ceiling, walls, floor)
Typical CIE overcast sky reference illuminance: 10,000-15,000 lux (design value: 10,000 lux for conservative analysis)
DF Targets by Space Type:
| Space Type | Average DF Target | Minimum Point DF | Notes |
|---|---|---|---|
| Residential — living rooms | ≥ 2.0% | ≥ 0.5% | BS 8206-2, BS EN 17037 |
| Residential — bedrooms | ≥ 1.5% | ≥ 0.3% | Some codes accept ≥ 1.0% |
| Residential — kitchens | ≥ 2.0% | ≥ 0.6% | Task lighting critical |
| Office — open plan | ≥ 2.0% | ≥ 0.7% | 300 lux at desk level |
| Office — private/cellular | ≥ 1.5% | ≥ 0.5% | Window proximity advantage |
| Schools — classrooms | ≥ 2.0% | ≥ 0.7% | Uniformity ratio ≥ 0.3 |
| Schools — laboratories | ≥ 2.5% | ≥ 0.8% | High visual task demand |
| Hospitals — wards | ≥ 2.0% | ≥ 0.5% | Patient wellbeing critical |
| Hospitals — operating theatres | Artificial only | N/A | Controlled lighting required |
| Retail — general sales | ≥ 2.0% | ≥ 0.5% | Display lighting supplements |
| Libraries — reading areas | ≥ 2.5% | ≥ 0.8% | 500 lux on reading plane |
| Museums — galleries | 1.0-3.0% | Variable | UV control critical; max 200 lux for sensitive works |
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.
- 11d ago First seen · 664 lines · 25 tokens per session scan A 3951bd5b365d
daylighting-design is a skill published in the GitHub repository Abhinavbwj/Skills-Architects (285 stars, last pushed 3mo ago), licensed MIT. It adds 25 tokens to every session and 9,596 once invoked, about $0.0001 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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