vannmiljo

vannmiljo is a skill for Claude Code, Codex from joevstaas/awesome-claude-skills. It costs 33 tokens per session (2,526 once invoked), scanned A, original, MIT.

A data pipeline skill for collecting Norwegian water-monitoring records, turning them into GeoJSON geographic data, and loading them into the Ocean Data Platform.

In plain words
What is it for?
Scraping Vannmiljo, building GeoJSON files from monitoring areas and measurements, and ingesting the resulting datasets into ODP.
Why use it?
It provides a defined workflow for moving measurements from the Vannmiljo database into a format and system suitable for geographic and data-platform use.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Scraping Vannmiljo, building GeoJSON files from monitoring areas and measurements, and ingesting the resulting datasets into ODP.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/joevstaas/awesome-claude-skills/vannmiljo
Install

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.

Any agent
npx skills add joevstaas/awesome-claude-skills --skill vannmiljo
Clone the repo
git clone --depth 1 https://github.com/joevstaas/awesome-claude-skills

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for vannmiljo

README.md
[![agentmods](https://agentmods.dev/badge/skills/joevstaas/awesome-claude-skills/vannmiljo/github.svg)](https://agentmods.dev/skills/joevstaas/awesome-claude-skills/vannmiljo)
Your own site
<a href="https://agentmods.dev/skills/joevstaas/awesome-claude-skills/vannmiljo"><img src="https://agentmods.dev/badge/skills/joevstaas/awesome-claude-skills/vannmiljo/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.

agentmods 80×15 button for vannmiljo

Your own site · 80×15
<a href="https://agentmods.dev/skills/joevstaas/awesome-claude-skills/vannmiljo"><img src="https://agentmods.dev/badge/skills/joevstaas/awesome-claude-skills/vannmiljo.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 33 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,526 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00033 $0.02526
Opus 5 $0.00016 $0.01263
Sonnet 5 $0.00007 $0.00505
Haiku 4.5 $0.00003 $0.00253

Measured 11d ago against content hash 3e0d4730625e, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

vannmiljo 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.

skills/vannmiljo/SKILL.md · 200 lines

How it starts

The opening of the file, as written. The whole thing — 200 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Vannmiljo Data Pipeline Skill

Use this skill when working with Vannmiljo (Norwegian water monitoring) data — scraping, GeoJSON building, or ingesting into ODP.

Project Overview

The Vannmiljo project extracts water quality monitoring data from Miljodirektoratet's Vannmiljo database and ingests it into the Ocean Data Platform (ODP).

Pipeline: Vannmiljo web scraper → GeoJSON files → ODP datasets

Source: vannmiljo.miljodirektoratet.no Field documentation: vannmiljokoder.miljodirektoratet.no/files/Om_VMS_Registreringsfelt.htm

Project Structure

Vannmiljo/
├── geojson_builder.py          # Builds GeoJSON from scraped Vannmiljo data
├── ingest_holmestrandsfjorden.py  # Ingest script for Holmestrandsfjorden
├── test_column_metadata.py     # Test script for ODP column metadata
├── input_polygons/             # GeoJSON polygons defining areas of interest
│   ├── holmestrandsfjorden.geojson
│   ├── fordefjorden.geojson
│   └── langoya.geojson
└── output/                     # Generated GeoJSON files with measurements
    └── holmestrandsfjorden_alle_stasjoner.geojson

PyArrow Schema for Vannmiljo Data

All Vannmiljo datasets share the same schema. All columns are pa.string() except water_location_id (int64). The id column is a generated UUID primary key.

import pyarrow as pa

VANNMILJO_SCHEMA = pa.schema([
    pa.field("id", pa.string(), nullable=False),
    pa.field("water_location_id", pa.int64(), nullable=True,
             metadata={"description": "Unik ID for vannlokaliteten i Vannmiljo"}),
    pa.field("water_location_code", pa.string(), nullable=True,
             metadata={"description": "Kode som knytter registreringen til en bestemt vannlokalitet"}),
    pa.field("station_name", pa.string(), nullable=True,
             metadata={"description": "Navn på målestasjonen"}),
    pa.field("station_description", pa.string(), nullable=True,
             metadata={"description": "Beskrivelse av vannlokaliteten"}),
    pa.field("act_info", pa.string(), nullable=True,
             metadata={"description": "Aktivitetsinformasjon for stasjonen"}),
    pa.field("faktaark_url", pa.string(), nullable=True,
             metadata={"description": "URL til stasjonens faktaark i Vannmiljo"}),
    pa.field("betegnelse", pa.string(), nullable=True,
             metadata={"description": "Betegnelse for provetakingsaktiviteten"}),
    pa.field("aktivitet", pa.string(), nullable=True,
             metadata={"description": "Overvåkings- eller kartleggingsaktivitet registreringen tilhorer"}),
    pa.field("oppdragsgiver", pa.string(), nullable=True,
             metadata={"description": "Ansvarlig for anskaffelsen av overvåkingsoppdraget"}),
    pa.field("oppdragstaker", pa.string(), nullable=True,
             metadata={"description": "Utforer av overvåkingen"}),
    pa.field("parameter_id", pa.string(), nullable=True,
             metadata={"description": "ID for parameteren som er målt eller observert"}),
    pa.field("parameter", pa.string(), nullable=True,
             metadata={"description": "Navn på parameteren som er målt eller observert"}),
    pa.field("cas_nr", pa.string(), nullable=True,
             metadata={"description": "CAS-nummer for kjemisk komponent"}),
    pa.field("medium", pa.string(), nullable=True,
             metadata={"description": "Medium parameteren er målt i (vann, sediment, biota, partikler)"}),
    pa.field("vitenskapelig_navn", pa.string(), nullable=True,
             metadata={"description": "Vitenskapelig (latinsk) navn på art/takson"}),
    pa.field("provetakingsmetode", pa.string(), nullable=True,
             metadata={"description": "Standard provetakingsmetode benyttet"}),
    pa.field("analysemetode", pa.string(), nullable=True,
             metadata={"description": "Standard analysemetode benyttet"}),
    pa.field("provenr", pa.string(), nullable=True,
             metadata={"description": "Provenummer for replikate prover"}),
    pa.field("filtrert_prove", pa.string(), nullable=True,
             metadata={"description": "Om vannproven er filtrert gjennom 0,45 um filter"}),
    pa.field("opprinnelse", pa.string(), nullable=True,
             metadata={"description": "Opprinnelse for registreringen"}),
    pa.field("provedato", pa.string(), nullable=True,
             metadata={"description": "Tidspunkt for provetaking"}),
    pa.field("operator", pa.string(), nullable=True,
             metadata={"description": "Verdioperator: = (påvist), < (under grense), > (over område), ND (ikke påvist)"}),
    pa.field("verdi", pa.string(), nullable=True,
             metadata={"description": "Målt eller observert verdi"}),
    pa.field("enhet", pa.string(), nullable=True,
             metadata={"description": "Enhet for registrert verdi"}),
    pa.field("listenavn", pa.string(), nullable=True,
             metadata={"description": "Navn på verdilisten parameteren tilhorer"}),
    pa.field("ovre_dyp", pa.string(), nullable=True,
             metadata={"description": "Ovre dybdegrense i meter (vann) eller centimeter (sediment)"}),
    pa.field("nedre_dyp", pa.string(), nullable=True,
             metadata={"description": "Nedre dybdegrense i meter (vann) eller centimeter (sediment)"}),
    pa.field("deteksjonsgrense", pa.string(), nullable=True,
             metadata={"description": "Deteksjonsgrensen til den aktuelle måleverdi"}),
    pa.field("kvantifiseringsgrense", pa.string(), nullable=True,
             metadata={"description": "Kvantifiseringsgrensen for den aktuelle måleverdi"}),
    pa.field("kommentarer", pa.string(), nullable=True,
             metadata={"description": "Kommentarer knyttet til registreringen (maks 2000 tegn)"}),
    pa.field("sist_endret", pa.string(), nullable=True,
             metadata={"description": "Dato for siste endring av registreringen"}),
    pa.field("geometry", pa.string(), nullable=True,
             metadata={
                 "isGeometry": "1",
                 "index": "1",
                 "description": "Punkt-geometri for målestasjonen (WKT)",
             }),
])

Read the full file on GitHub · 200 lines

Changes

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.

  1. 11d ago First seen · 200 lines · 33 tokens per session scan A 3e0d4730625e

Subscribe to this mod's changes

vannmiljo is a skill published in the GitHub repository joevstaas/awesome-claude-skills (6 stars, last pushed 14d ago), licensed MIT. It adds 33 tokens to every session and 2,526 once invoked, about $0.0002 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 2026-08-31.

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