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 hoangtng/real-estate-agents --skill listing-description-writergit clone --depth 1 https://github.com/hoangtng/real-estate-agentsWrote 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/hoangtng/real-estate-agents/listing-description-writer)<a href="https://agentmods.dev/skills/hoangtng/real-estate-agents/listing-description-writer"><img src="https://agentmods.dev/badge/skills/hoangtng/real-estate-agents/listing-description-writer/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/hoangtng/real-estate-agents/listing-description-writer"><img src="https://agentmods.dev/badge/skills/hoangtng/real-estate-agents/listing-description-writer.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 | $0.00111 | $0.01163 |
| Opus 5 | $0.00056 | $0.00581 |
| Sonnet 5 | $0.00022 | $0.00233 |
| Haiku 4.5 | $0.00011 | $0.00116 |
Grade A, and why
listing-description-writer 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 — 81 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Listing Description Writer
Writes magnetic, story-first property descriptions that make buyers feel something — not just inform them. Every description starts with the life that happens inside, not the number of bedrooms.
What You Need From the User
- Property specs: address (or city/neighborhood), beds, baths, SF, garage, lot
- Standout features: best rooms, views, outdoor space, architectural details, recent updates
- Neighborhood/lifestyle context: walkability, proximity to restaurants/transit/schools/parks
- Tone target: luxury / warm family / urban professional / investor / vacation
- Length: MLS short (~250 words) / full marketing (~400 words) / headline only
If only sparse info is given, write the best description possible and note what details would make it stronger.
The Formula
Every description follows this structure — but never sounds formulaic:
- Hook (1 sentence): The emotional pull. A lifestyle moment, a sensory detail, a standout feature. Never start with "Welcome to..." or "This stunning..."
- Architecture/Character (1–2 sentences): What kind of home is this? What's its soul?
- Key Interior Moments (2–3 sentences): The 2–3 spaces buyers fall in love with. Specific, vivid, present-tense.
- Practical Anchors (1 sentence): Beds, baths, SF, garage — the specs that confirm it works, folded in naturally.
- Location & Lifestyle (1–2 sentences): The neighborhood. What you can walk to. The feel of the street.
- Closer (1 sentence): A forward-looking invitation. Never a command ("Don't miss this!"). Never urgency-bait.
Banned Words & Phrases
Never use any of these — rewrite around them every time:
- charming, cozy, quaint, cute, adorable
- stunning, breathtaking, gorgeous, beautiful (show it, don't label it)
- nestled, boasts, features, offers
- "Welcome to your dream home"
- "Won't last long" / "Don't miss out"
- "Motivated seller"
- "As-is" (unless legally required)
- "Perfect for entertaining" (show the entertaining instead)
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 · 81 lines · 0 tokens per session scan A dc69b516566b
listing-description-writer is a skill published in the GitHub repository hoangtng/real-estate-agents (21 stars, last pushed 4mo ago), licensed MIT. It adds 111 tokens to every session and 1,163 once invoked, about $0.0006 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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