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NWS Weather Alerts

by olyport.com · remote · no sign-in to list tools · v1.1.0 · published by com.olyport

Active weather alerts and warnings from the National Weather Service

Read only
CompareRegistry entry

3 tools: 3 only read.

Scanned Oct 21, 2026

No check matched anything in the tool definitions. No finding is not a safety guarantee. How the checks work.

claude mcp add --transport http nws-alerts https://mcp.olyport.com/nws-alerts/mcp

Tools

Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.

3 tools

Only reads 3Claude Code: allow
  • get_alert_detailGet full details of a specific NWS weather alert by its ID.No findings

    Why it is in this group

    • The name "get_alert_detail" says "get": a word for reading.
    Description, as the server wrote it
    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').
  • get_alertsGet active NWS weather alerts for a US state.No findings

    Why it is in this group

    • The name "get_alerts" says "get": a word for reading.
    Description, as the server wrote it
    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).
  • get_forecastGet the weather forecast for a specific latitude/longitude location.No findings

    Why it is in this group

    • The name "get_forecast" says "get": a word for reading.
    Description, as the server wrote it
    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).

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Install

Pinned to version 1.1.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http nws-alerts https://mcp.olyport.com/nws-alerts/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__nws-alerts__get_alerts",
      "mcp__nws-alerts__get_alert_detail",
      "mcp__nws-alerts__get_forecast"
    ],
    "ask": [],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as nws-alerts. Review it before you use it.