AEMET vs Nws
A side-by-side look at the AEMET and Nws MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose AEMET for environment & nature work as a local process; choose Nws for environment & nature as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose AEMET when
- You need dedicated capabilities in the Environment & Nature domain.
- You prefer a local stdio subprocess transport.
- You have the keys it needs:
AEMET_API_KEY. - You want tools like
get_municipality_forecast, get_station_observation, get_weather_warnings.
Choose 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.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Environment & Nature | Environment & Nature |
| Quality signal | 56/100 · Good | 57/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | Not declared |
| Pricing | Not declared | Not declared |
| Required env vars | AEMET_API_KEY | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 0 | 0 |
| Directory activity | 1 views 0 installs 0 upvotes | 1 views 0 installs 0 upvotes |
| Tools | 3 | 5 |
| Full listing | View AEMET | View Nws |
Tools & capabilities
AEMET tools 3
get_municipality_forecastGet the daily weather forecast (up to 7 days) for a Spanish municipality from AEMET (Spanish State Meteorological Agency), identified by its INE code.get_station_observationGet the last ~12 hours of hourly conventional observation data (temperature, wind, precipitation, etc.) for a specific AEMET automatic weather station.get_weather_warningsGet the latest active weather warnings (CAP alerts) issued by AEMET for a Spanish region or the whole country: severity level, phenomenon, affected zone and validity.
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.
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.
AEMET
{
"mcpServers": {
"aemet": {
"command": "npx",
"args": [
"-y",
"@mmillan76/aemet-mcp"
],
"env": {
"AEMET_API_KEY": "YOUR_AEMET_API_KEY_HERE"
}
}
}
}
Nws
{
"mcpServers": {
"nws": {
"command": "npx",
"args": [
"-y",
"@pipeworx/mcp-nws"
]
}
}
}
Frequently asked questions
AEMET is categorized under Environment & Nature and uses a local stdio subprocess. Nws belongs to Environment & Nature and uses a local stdio subprocess. Pick AEMET for environment & nature work and Nws for environment & nature.
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.
AEMET has no declared pricing — check the project's own site. Nws has no declared pricing — check the project's own site. 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 aemet and nws as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, AEMET has a quality signal of 56/100 (Good) with 1 views, 0 installs and 0 GitHub stars. Nws has 57/100 (Good) with 1 views, 0 installs and 0 GitHub stars.