NWS Weather MCP Server: Install & Setup

Install NWS Weather in Claude Code

Remote URL

Claude Code

claude mcp add --transport http nws-weather https://agent-evidence.thx93.dev/weather/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "nws-weather": {
      "url": "https://agent-evidence.thx93.dev/weather/mcp"
    }
  }
}

npm

Claude Code

claude mcp add nws-weather -- npx -y @thx93/mcp-weather-server

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "nws-weather": {
      "command": "npx",
      "args": [
        "-y",
        "@thx93/mcp-weather-server"
      ]
    }
  }
}

Frequently asked questions

What does the NWS Weather MCP server do?

US National Weather Service data as two read-only tools: active alerts for a two-letter state code and the next five forecast periods for a latitude and longitude. Runs locally from source; the hosted endpoint is free to discover and costs $0.003 USDC per call on Base via x402.

Is the NWS Weather MCP server free?

Probably not entirely. The listing mentions pay-per-call, credits or a subscription. Check the provider for current pricing.

Does NWS Weather run locally or remotely?

Local + Remote. Can run locally or be used as a hosted remote server.

How do I add NWS Weather to Claude Code?

Run: claude mcp add --transport http nws-weather https://agent-evidence.thx93.dev/weather/mcp

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