Koskamo

US Severe Weather Alerts MCP

A remote MCP server that provides active National Weather Service warnings for US ZIP codes. It supports free tier access for single ZIP alerts and a paid tier for multi-site and state-wide severe weather monitoring, enabling AI agents to check for warnings, watches, and advisories.

Endpoint and access

No sign-in to connect and list tools. Individual tools may still need a vendor account, credentials, or permissions; check the documented prerequisites.

US Severe Weather Alerts MCP logo, by Donnie MorrisonCommunity listingStreamable HTTPNo sign-inEndpoint checked 2026-11-01Published by Donnie Morrison
MCP endpoint (Streamable HTTP)
https://us-weather-alerts-mcp.donniertf.workers.dev/mcp
Vendor documentation

What you can do with it

  • Monitor active NWS warnings for a specific US ZIP code
  • Check up to 25 ZIPs for active alerts at once
  • Filter state-wide alerts by event type and severity

Source and maintenance

Community listingRegistry 1.0.0
mcp-registry: io.github.donniertf-hub/us-weather-alerts-mcp@1.0.0Source repositoryProject website
Maintenance checked

Protocol and capabilities

Server
us-weather-alerts-mcp 1.0.0
MCP protocol
2025-06-18
Tools
3 advertised
Resources
Not advertised
Resource templates
Not advertised
Prompts
Not advertised
Server-advertised capabilities
{
  "tools": {
    "listChanged": false
  }
}

Server-provided instructions

Untrusted server output shown for inspection. It is not Koskamo guidance and is excluded from knowledge search.

US Severe Weather Alerts. weather_alerts is free. Subscribe ($9/month, cancel anytime) at https://us-weather-alerts-mcp.donniertf.workers.dev/buy for the paid tools, then pass access_token.

Tools

3 advertised

weather_alerts
Advertised by the server during the last successful anonymous check.

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

weather_alerts input schema
{
  "type": "object",
  "required": [
    "zip"
  ],
  "properties": {
    "zip": {
      "type": "string"
    }
  }
}
sites_check
Advertised by the server during the last successful anonymous check.

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

sites_check input schema
{
  "type": "object",
  "required": [
    "zips"
  ],
  "properties": {
    "zips": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "access_token": {
      "type": "string",
      "description": "Subscriber token from /success (or Authorization: Bearer)"
    },
    "min_severity": {
      "type": "string"
    }
  }
}
state_alerts
Advertised by the server during the last successful anonymous check.

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

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

Prompts

Not advertised

No prompt definitions available.

Resources

Not advertised

No resource definitions available.

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks
1 of 1 (100%)
Average latency
519 ms
95th percentile latency
519 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · probe · passed · 519 ms · metadata changed · 3 tool(s)

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.
Claude Code configuration
claude mcp add --transport http us-severe-weather-alerts-mcp https://us-weather-alerts-mcp.donniertf.workers.dev/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).
Codex configuration
codex mcp add us-severe-weather-alerts-mcp --url https://us-weather-alerts-mcp.donniertf.workers.dev/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable us-severe-weather-alerts-mcp in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "us-severe-weather-alerts-mcp": {
      "url": "https://us-weather-alerts-mcp.donniertf.workers.dev/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).
Cline configuration
{
  "mcpServers": {
    "us-severe-weather-alerts-mcp": {
      "type": "streamableHttp",
      "url": "https://us-weather-alerts-mcp.donniertf.workers.dev/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start us-severe-weather-alerts-mcp and inspect its tools.
VS Code configuration
{
  "servers": {
    "us-severe-weather-alerts-mcp": {
      "type": "http",
      "url": "https://us-weather-alerts-mcp.donniertf.workers.dev/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.
Gemini CLI configuration
gemini mcp add --transport http us-severe-weather-alerts-mcp https://us-weather-alerts-mcp.donniertf.workers.dev/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.
Claude Desktop configuration
{
  "mcpServers": {
    "us-severe-weather-alerts-mcp": {
      "url": "https://us-weather-alerts-mcp.donniertf.workers.dev/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.
Windsurf configuration
{
  "mcpServers": {
    "us-severe-weather-alerts-mcp": {
      "serverUrl": "https://us-weather-alerts-mcp.donniertf.workers.dev/mcp"
    }
  }
}

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