Getting it into your agent
It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.
git clone --depth 1 https://github.com/jokull/icelandic-datanpx agentmods add skills/jokull/icelandic-data/ust-gisWrote 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/jokull/icelandic-data/ust-gis)<a href="https://agentmods.dev/skills/jokull/icelandic-data/ust-gis"><img src="https://agentmods.dev/badge/skills/jokull/icelandic-data/ust-gis.svg" alt="Measured on agentmods" 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 | $0.00027 | $0.00222 |
| Opus 5 | $0.00014 | $0.00111 |
| Sonnet 5 | $0.00005 | $0.00044 |
| Haiku 4.5 | $0.00003 | $0.00022 |
Grade A, and why
ust-gis 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 6d 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.
What it actually says
UST GIS — Umhverfis- og orkustofnun
The agency's GeoServer is a public spatial catalogue separate from the existing air-quality API integration.
API
WFS: https://gis.ust.is/geoserver/ows
INSPIRE:mengadur_jardvegur is the contaminated-land registry, with location,
site name, pollution category and risk classification where known.
Usage
uv run python scripts/ust_gis.py list
uv run python scripts/ust_gis.py fetch
Caveats
- This registry includes confirmed sites, suspected sites and historical burial/landfill records; it is not a count of remediated contamination.
- Coordinates and risk class may be null, including for otherwise valid rows.
- Keep raw GeoJSON: polygons carry the spatial detail that the tidy table does not preserve.
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.
- 6d ago First seen · 32 lines · 27 tokens per session scan A a4993878691f
ust-gis is a skill published in the GitHub repository jokull/icelandic-data (52 stars, last pushed today), licensed MIT. It adds 27 tokens to every session and 222 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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