US Severe Weather Alerts MCP

Active National Weather Service warnings for any US ZIP code. Free weather_alerts tool.

Should I use this

Quality & Safety

A
Description quality
100%
Schema completeness
84%
Naming quality
80%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~271Tokens (tool definitions)
~562 BTypical response size
Minimal attention impact (0.21% of 128k context)

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": {
    "us-weather-alerts-mcp": {
      "url": "https://us-weather-alerts-mcp.donniertf.workers.dev/mcp"
    }
  }
}

Remote endpoints

https://us-weather-alerts-mcp.donniertf.workers.dev/mcpstreamable-http

What it can do

Tool inventory

Tools (3)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
⚪weather_alerts(zip)

FREE. Active National Weather Service alerts (warnings, watches, advisories) for a US ZIP code — top 3 by severity.

Input Schema

{
  "type": "object",
  "properties": {
    "zip": {
      "type": "string"
    }
  },
  "required": [
    "zip"
  ]
}
🟢sites_check(zips, min_severity, access_token)

PRO. Check up to 25 ZIPs (stores, job sites, fleet depots, properties) for active alerts at once, worst first.

Input Schema

{
  "type": "object",
  "properties": {
    "zips": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "min_severity": {
      "type": "string"
    },
    "access_token": {
      "type": "string",
      "description": "Subscriber token from /success (or Authorization: Bearer)"
    }
  },
  "required": [
    "zips"
  ]
}
⚪state_alerts(state, event, min_severity, access_token)

PRO. All active alerts in a state, filterable by event (e.g. 'Tornado', 'Flood', 'Heat') and severity, with instructions.

Input Schema

{
  "type": "object",
  "properties": {
    "state": {
      "type": "string"
    },
    "event": {
      "type": "string"
    },
    "min_severity": {
      "type": "string"
    },
    "access_token": {
      "type": "string",
      "description": "Subscriber token from /success (or Authorization: Bearer)"
    }
  },
  "required": [
    "state"
  ]
}

Community

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Evidence

Recent observations

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