# metno.weather.alerts

Get all active weather alerts issued by the Norwegian Meteorological Institute for Norway. Alerts cover events such as gale, storm, heavy rain, snow, ice, avalanche, and fog. Each alert includes event type, awareness level (green/yellow/orange/red), severity, certainty, affected counties, description, consequences, and valid time interval. Filter by event type slug (wind, rain, snow, ice, fog, avalanche) or by county name. Returns English or Norwegian text. CC BY 4.0 + NLOD 2.0, no auth, no upstream cost.

Agent View of the PolicyLayer registry record for `metno.weather.alerts`. HTML page: https://policylayer.com/tools/io-github-whiteknightonhorse-apibase/metno.weather.alerts

## Facts

- Tool: `metno.weather.alerts`
- Server: Apibase (`apibase-mcp-client`) — https://policylayer.com/tools/io-github-whiteknightonhorse-apibase.md
- Install: `npx -y apibase-mcp-client`
- Homepage: https://github.com/whiteknightonhorse/APIbase
- Risk category: Read (Low risk)
- Registry record: grade F, identity unverified
- Server auth posture: open
- Server rate-limited: no
- Parameters: 3
- Recommended policy verdict: Allowed

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `lang` | string | no | Language for alert text. "en" = English (default), "no" = Norwegian. |
| `county` | string | no | Filter alerts by Norwegian county name substring (e.g. "Oslo", "Viken", "Troms"). Case-insensitive partial match. |
| `event_type` | string | no | Filter by event type slug (e.g. "wind", "rain", "snow", "ice", "fog", "avalanche"). Leave empty for all active alerts. |

Parameters from the server's own tool schema.

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "metno.weather.alerts",
    "arguments": {}
  }
}
```

## Why metno.weather.alerts is rated Low

Tool retrieves weather alert data with no side effects or operational impact.

From the tool's own definition: "Get all active weather alerts; no modification, deletion, or execution capabilities."

## Use case

AI agents call metno.weather.alerts to retrieve information from Apibase without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Apibase:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "metno.weather.alerts": {}
  }
}
```

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## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=io-github-whiteknightonhorse-apibase · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/io-github-whiteknightonhorse-apibase