Nws Weather MCP Server

by cyanheadsio.github.cyanheads/nws-weather-mcp-serverv0.10.0

Get US weather forecasts, active alerts, and current observations.

1Node.jsstdioremoteofficial registry

context tax

queued

security

queued

cold start

queued

freshness

Active9d ago

Install Nws Weather MCP server

claude mcp add nws-weather -- npx -y @cyanheads/nws-weather-mcp-server run start:stdio

{
  "mcpServers": {
    "nws-weather": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/nws-weather-mcp-server",
        "run",
        "start:stdio"
      ]
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "nws-weather": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/nws-weather-mcp-server",
        "run",
        "start:stdio"
      ]
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "nws-weather": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/nws-weather-mcp-server",
        "run",
        "start:stdio"
      ]
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "nws-weather": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/nws-weather-mcp-server",
        "run",
        "start:stdio"
      ]
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
NWS_USER_AGENT	—	—	User-Agent header for NWS API requests. The API requires this header but a default is provided.
MCP_LOG_LEVEL	—	—	Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').
MCP_HTTP_HOST	—	—	The hostname for the HTTP server.
MCP_HTTP_PORT	—	—	The port to run the HTTP server on.
MCP_HTTP_ENDPOINT_PATH	—	—	The endpoint path for the MCP server.
MCP_AUTH_MODE	—	—	Authentication mode to use: 'none', 'jwt', or 'oauth'.

Remote endpoints

streamable-httphttps://nws.caseyjhand.com/mcp

Freshness

Active — last maintenance signal 9d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-09-30 · 10d ago · GitHub
Latest release
2026-09-30 · 9d ago · GitHub · v0.10.0
Package published
no data · npm/PyPI
Registry entry updated
2026-09-30 · 9d ago · official registry · v0.10.0

FAQ

›How do I install the Nws Weather MCP server in Claude Code?

Run: claude mcp add nws-weather -- npx -y @cyanheads/nws-weather-mcp-server run start:stdio. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Nws Weather require an API key?

No required environment variables are declared in its published metadata.

›Can I use Nws Weather as a remote (hosted) MCP server?

Yes — it offers both a hosted endpoint and a local stdio package.

›Is Nws Weather in the official MCP registry?

Yes, as io.github.cyanheads/nws-weather-mcp-server.