NWS Weather Alerts
Active weather alerts and warnings from the National Weather Service
Should I use this
Quality & Safety
Findings (2)
- HIGHTool poisoning patterns detected
- INFOTool description contains placeholder or incomplete textin get_alert_detail
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"nws-alerts": {
"url": "https://mcp.olyport.com/nws-alerts/mcp"
}
}
}Remote endpoints
https://mcp.olyport.com/nws-alerts/mcpstreamable-httpWhat it can do
Tool inventory
Tools (3)
🟢get_alerts(state, severity, event, limit)
Get active NWS weather alerts for a US state. Returns current weather alerts including watches, warnings, and advisories issued by the National Weather Service. Args: state: Two-letter US state abbreviation (e.g. 'CA', 'TX', 'NY'). severity: Filter by severity level: 'Extreme', 'Severe', 'Moderate', or 'Minor'. event: Filter by event type (e.g. 'Tornado Warning', 'Flash Flood Watch'). limit: Maximum number of alerts to return (default 25, max 500).
Input Schema
{
"type": "object",
"properties": {
"state": {
"title": "State",
"type": "string"
},
"severity": {
"default": null,
"title": "Severity",
"type": "string"
},
"event": {
"default": null,
"title": "Event",
"type": "string"
},
"limit": {
"default": 25,
"title": "Limit",
"type": "integer"
}
},
"required": [
"state"
],
"title": "get_alertsArguments"
}Output Schema
{
"type": "object",
"properties": {
"result": {
"title": "Result",
"type": "string"
}
},
"required": [
"result"
],
"title": "get_alertsOutput"
}🟢get_alert_detail(alert_id)
Get full details of a specific NWS weather alert by its ID. Returns the complete alert including description, instructions, and affected areas. Use alert IDs from get_alerts results. Args: alert_id: The full NWS alert ID (e.g. 'urn:oid:2.49.0.1.840.0.xxx').
Input Schema
{
"type": "object",
"properties": {
"alert_id": {
"title": "Alert Id",
"type": "string"
}
},
"required": [
"alert_id"
],
"title": "get_alert_detailArguments"
}Output Schema
{
"type": "object",
"properties": {
"result": {
"title": "Result",
"type": "string"
}
},
"required": [
"result"
],
"title": "get_alert_detailOutput"
}🟢get_forecast(latitude, longitude)
Get the weather forecast for a specific latitude/longitude location. Returns a multi-day forecast from the National Weather Service. Works for any location within the United States and its territories. Args: latitude: Latitude of the location (e.g. 38.8894 for Washington DC). longitude: Longitude of the location (e.g. -77.0352 for Washington DC).
Input Schema
{
"type": "object",
"properties": {
"latitude": {
"title": "Latitude",
"type": "number"
},
"longitude": {
"title": "Longitude",
"type": "number"
}
},
"required": [
"latitude",
"longitude"
],
"title": "get_forecastArguments"
}Output Schema
{
"type": "object",
"properties": {
"result": {
"title": "Result",
"type": "string"
}
},
"required": [
"result"
],
"title": "get_forecastOutput"
}Community
Evidence