# brightsky.weather.alerts

Get active DWD (Deutscher Wetterdienst) severe weather alerts and warnings for any location in Germany. Identifies the warn cell (administrative district) for the given coordinates and returns all current alerts with: event type (e.g. thunderstorm, heavy rain, frost, storm), severity (Minor/Moderate/Severe/Extreme), urgency, certainty, onset/expiry times, headline, description, and recommended action in English. Returns an empty list when no warnings are active. No API key required — open DWD data via Bright Sky (MIT licence).

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

## Facts

- Tool: `brightsky.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: 2 (2 required)
- Recommended policy verdict: Allowed

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `latitude` | number | yes | Latitude of the location in Germany (e.g. 52.52 for Berlin, range 47–56) |
| `longitude` | number | yes | Longitude of the location in Germany (e.g. 13.40 for Berlin, range 5–16) |

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": "brightsky.weather.alerts",
    "arguments": {
      "latitude": 0,
      "longitude": 0
    }
  }
}
```

## Why brightsky.weather.alerts is rated Low

Retrieves weather alert data from public DWD source; no modifications, deletions, or external state changes.

From the tool's own definition: "Get active DWD severe weather alerts and warnings for any location in Germany."

Risk signals: Admin/system-level operation

## Use case

AI agents call brightsky.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": {
    "brightsky.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