metno.weather.nowcast
Get a short-term precipitation nowcast with 5-minute intervals for the next ~2 hours from the Norwegian Meteorological Institute Nowcast 2.0 radar model. Returns precipitation rate, air temperature, wind speed/direction/gusts, relative humidity, UV index, and weather symbol codes. Coverage: Norwa...
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What metno.weather.nowcast does on Apibase
AI agents call metno.weather.nowcast 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.
| Parameter | Type | Required | Description |
|---|---|---|---|
lat | number | Yes | Latitude in decimal degrees. Coverage: Norway and Scandinavia (approx 53–90°N). |
lon | number | Yes | Longitude in decimal degrees. Coverage: Norway and Scandinavia (approx −20–40°E). |
Parameters from the server's own tool schema.
Why metno.weather.nowcast is rated Low
Retrieves weather data with no side effects or modifications to any system.
From the tool's definition Get short-term precipitation nowcast, returns precipitation rate, temperature, wind, humidity
Attacks that exploit this kind of access
The rule that runs metno.weather.nowcast safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Apibase, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For metno.weather.nowcast, this is the rule to start with:
metno.weather.nowcast is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Apibase, apply this rule, and every metno.weather.nowcast call is checked against it from then on.
Questions about metno.weather.nowcast
Get a short-term precipitation nowcast with 5-minute intervals for the next ~2 hours from the Norwegian Meteorological Institute Nowcast 2.0 radar model. Returns precipitation rate, air temperature, wind speed/direction/gusts, relative humidity, UV index, and weather symbol codes. Coverage: Norway and Scandinavia (approx 53–90°N, 20°W–40°E). Ideal for hyperlocal outdoor activity planning, event logistics, and real-time rainfall monitoring. CC BY 4.0 + NLOD 2.0, no auth, no upstream cost. It is categorised as a Read tool in the Apibase MCP Server, which means it retrieves data without modifying state.
metno.weather.nowcast accepts 2 parameters: lat, lon. Required: lat, lon. The full parameter table on this page comes from the server's own tool schema.
Register the Apibase MCP server in PolicyLayer and add a rule for metno.weather.nowcast: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Apibase. Nothing to install.
metno.weather.nowcast is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the metno.weather.nowcast rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for metno.weather.nowcast. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
metno.weather.nowcast is provided by the Apibase MCP server (apibase-mcp-client). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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