Nws vs Filesystem

A side-by-side look at the Nws and Filesystem MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

Nws logoNwsEnvironment & Nature · Local subprocess (stdio)NWS MCP — US National Weather Service (no auth)57GoodAuth: not declaredFilesystem logoFilesystemFile Systems · Local subprocess (stdio)Secure file operations with configurable access controls.85ExcellentAuth: no auth required

Verdict: choose Nws for environment & nature work as a local process; choose Filesystem for file systems as a local process. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

Nws logoChoose Nws when

  • You need dedicated capabilities in the Environment & Nature domain.
  • You prefer a local stdio subprocess transport.
  • You want tools like get_forecast, get_hourly_forecast, get_alerts.
Explore Nws

Filesystem logoChoose Filesystem when

  • You need dedicated capabilities in the File Systems domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: No auth required.
  • You want tools like path, head, tail.
Explore Filesystem

Feature & specification comparison

Rows where the two servers differ are marked.

SpecNws logoNwsFilesystem logoFilesystem
CategoryEnvironment & NatureFile Systems
Quality signal57/100 · Good85/100 · Excellent
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthNot declaredNo auth required
PricingNot declaredFree
Required env varsNone listedNone listed
Verified ownerCommunity listing Verified
GitHub stars091,512
Directory activity 3 views 0 installs 0 upvotes 9 views 0 installs 0 upvotes
Tools517

Tools & capabilities

Nws tools 5

  • get_forecastGet the 7-day NWS forecast for a US lat/lon. Returns named periods (e.g., "Tonight", "Wednesday") with high/low temperature, wind, and a short text forecast. US locations only.
  • get_hourly_forecastGet the hourly NWS forecast for a US lat/lon (~168 hours). Useful for short-term planning, severe-weather windows, or precipitation timing.
  • get_alertsActive NWS watches / warnings / advisories. Filter by US state (2-letter code), point (lat,lon), severity, or status. Returns event name, severity, urgency, headline, description, affected areas, and effective/expires times.
  • get_observationLatest observation from a specific NWS weather station. Returns temperature, humidity, wind, visibility, pressure, and present-weather codes.
  • get_stationsFind NWS weather observation stations in a US state (e.g., "CA", "NY", "TX"). Returns station IDs (use with get_observation), names, time zones, and coordinates. US only.

Filesystem tools 17

  • path
  • head
  • tail
  • paths
  • content
  • edits
  • oldText
  • newText
  • dryRun
  • sortBy
  • source
  • destination
  • +5 more on the listing page

Ready-to-paste client configs

Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.

Nws

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "nws": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-nws"
      ]
    }
  }
}

Filesystem

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "filesystem": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-filesystem"
      ]
    }
  }
}

Frequently asked questions

Nws is categorized under Environment & Nature and uses a local stdio subprocess. Filesystem belongs to File Systems and uses a local stdio subprocess. Pick Nws for environment & nature work and Filesystem for file systems.

Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.

Nws has no declared pricing — check the project's own site. Filesystem is listed as free. Auth: no auth required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.

Yes. MCP clients support multiple servers: add nws and filesystem as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Nws has a quality signal of 57/100 (Good) with 3 views, 0 installs and 0 GitHub stars. Filesystem has 85/100 (Excellent) with 9 views, 0 installs and 91,512 GitHub stars.