US Severe Weather Alerts MCP Server

by donniertf-hub Your server? Claim it

answering

US Severe Weather Alerts MCP is answering right now. Last checked 2 min ago. It exposes 3 tools. Last commit 14 Oct 2026.

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

Uptime history 62 hours of history

62 hours agonow

100.0%

Uptime 24h

92 of 92 checks

Tools

read from the server

130 ms

Response time

average over 24h

Stars

last commit 14 Oct 2026

Nothing serious here today

Today is the operative word: we check US Severe Weather Alerts MCP every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 2 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add us-weather-alerts-mcp --transport http https://us-weather-alerts-mcp.donniertf.workers.dev/mcp

Settings → Connectors → Add custom connector, then paste this address

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

~/.codex/config.toml

[mcp_servers.us-weather-alerts-mcp]
url = "https://us-weather-alerts-mcp.donniertf.workers.dev/mcp"

.cursor/mcp.json

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

.vscode/mcp.json

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

Available tools 3

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

sites

sites_check

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

state

state_alerts

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

weather

weather_alerts

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

Endpoints

URL	Transport	State	Latency	Checked
https://us-weather-alerts-mcp.donniertf.workers.dev/mcp	streamable-http	answering	136 ms	2 min ago

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US Severe Weather Alerts MCP — questions

Answers built from our own checks of this server.

What can US Severe Weather Alerts MCP do?

It exposes 3 tools, read directly from the server on our last check. Among them: sites_check, state_alerts, weather_alerts. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is US Severe Weather Alerts MCP working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 130 ms. The bar chart above shows every period we have measured.

How do I connect US Severe Weather Alerts MCP?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does US Severe Weather Alerts MCP need an API key?

No. US Severe Weather Alerts MCP completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 3 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is US Severe Weather Alerts MCP?

It answers our handshake in 130 ms on average, which is faster than 86% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is US Severe Weather Alerts MCP open source?

We cannot say either way: 0 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.