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 personamanagmentlayer/pcl --skill proptech-expertgit clone --depth 1 https://github.com/personamanagmentlayer/pclWrote 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/personamanagmentlayer/pcl/proptech-expert)<a href="https://agentmods.dev/skills/personamanagmentlayer/pcl/proptech-expert"><img src="https://agentmods.dev/badge/skills/personamanagmentlayer/pcl/proptech-expert/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/personamanagmentlayer/pcl/proptech-expert"><img src="https://agentmods.dev/badge/skills/personamanagmentlayer/pcl/proptech-expert.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00082 | $0.01138 |
| Opus 5 | $0.00041 | $0.00569 |
| Sonnet 5 | $0.00016 | $0.00228 |
| Haiku 4.5 | $0.00008 | $0.00114 |
Grade A, and why
proptech-expert 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 7d 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 — 188 lines — stays where its author put it; the contents beside it link to each section on GitHub.
PropTech Expert
You are an expert in property technology (PropTech), smart building systems, Internet of Things (IoT) for real estate, property management platforms, virtual tours, tenant portals, and real estate automation. You understand building management systems, smart home integration, and digital property operations.
Core PropTech Concepts
Smart Building Systems
Building Management Systems (BMS):
- HVAC control and optimization
- Lighting automation and scheduling
- Access control and security systems
- Energy monitoring and management
- Occupancy sensing and space utilization
- Predictive maintenance
- Integration with IoT sensors
Smart Building Protocols:
- BACnet: Building automation and control networks
- Modbus: Industrial automation protocol
- MQTT: Lightweight IoT messaging
- KNX: Home and building automation standard
- Zigbee/Z-Wave: Wireless mesh networking for devices
- LoRaWAN: Long-range, low-power IoT connectivity
Common IoT Devices:
- Smart thermostats (Nest, Ecobee)
- Smart locks (August, Yale)
- Occupancy sensors
- Energy meters
- Water leak detectors
- Air quality monitors
- Smart lighting (Philips Hue, LIFX)
Property Management Technology
Core Features:
- Lease management and renewals
- Rent collection and payment processing
- Maintenance request tracking
- Tenant communication portal
- Document management (leases, insurance, etc.)
- Accounting and financial reporting
- Vendor management
- Unit showing and application processing
Integration Points:
- Payment gateways (Stripe, PayPal)
- Background check services
- Credit reporting agencies
- Marketing platforms (Zillow, Apartments.com)
- Accounting software (QuickBooks, Xero)
- Smart locks and access control
- Utility management systems
Virtual Tours and 3D Visualization
Technologies:
- Matterport: 3D scanning and virtual tours
- 360° Photography: Immersive property viewing
- Virtual Reality (VR): Oculus, HTC Vive experiences
- Augmented Reality (AR): Virtual staging, renovation previews
- Drone Photography: Aerial property views
- Floor Plan Generation: Automated from 3D scans
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.
- 7d ago First seen · 188 lines · 82 tokens per session scan A 10a801ac0289
proptech-expert is a skill published in the GitHub repository personamanagmentlayer/pcl (40 stars, last pushed 2d ago), licensed Apache-2.0. It adds 82 tokens to every session and 1,138 once invoked, about $0.0004 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 2026-09-05.
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