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Explorer/MCP/cyanheads/nws-weather-mcp-server
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io.github.cyanheads/nws-weather-mcp-server

cyanheads/nws-weather-mcp-server

Real-time US weather data via National Weather Service API. Forecasts, alerts, and observations.

5 tools available ↓
↗cyanheads/nws-weather-mcp-serverExternal link; availability not verified
The Journeyman with a Quirk
Some history here. A few things flagged; nothing serious, but we wanted you to know.
Time indexed (4mo)
5toolsRemote/ HTTP4moindexed1signal ↓
Checked Aug 16, 2026
Quality Score
29/95
Emerging
Risk Score
6/100
Low
▸How is this calculated?
Quality Breakdown
Tenure13.1/20
120 days indexed
Capability16/25
Tools: 4/13 (5 tools)
Description: 5/5 ✓
Endpoint: 7/7 ✓
Adoption0/25
Use count: 0/20 (0 uses)
Multi-registry: 0/5 (1 registry)
Reliability0/25
Currently live: 0/10 —
Uptime history: 0/15 No checks yet
Security scan: 0 pts in v1.0; ready to weight when coverage improves
Incomplete Data Cap (60)
Usage data is not available for this server. Quality is capped until adoption can be measured.
Risk
6— Low
See Security Signals section for details.
The scanner shows
5 tools. Registry verified. A few things worth knowing about. Check the details below.
First indexed Apr 18, 2026
Security Signals1 rule group · 1 finding
▸No authentication requiredHigh
Server responded without authentication
Server Profile
⚙
Tools catalogued
5
5 tools available. Full list below.
☁
Hosting
Remote / HTTP
Runs on the internet. No access to your filesystem, SSH keys, or environment variables.
✓
Registry presence
Verified
Listed on the Official MCP Registry under Linux Foundation governance.
●
Liveness
—
No liveness checks recorded yet.
Publisher Verification
✓ Listed on the Official MCP Registry under Linux Foundation governance.
Published version: 0.5.2
↗cyanheads/nws-weather-mcp-serverExternal link; availability not verified
Connect to this server
STREAMABLE-HTTP
https://nws.caseyjhand.com/mcp
Tools (5)We asked this server directly for its tool list on Aug 14.
nws_get_forecast
Get the weather forecast for a US location. Returns either named 12-hour periods (default) or hourly breakdowns. Internally resolves coordinates to the NWS grid.
nws_search_alerts
Search active weather alerts (watches, warnings, advisories) across the US. Filter by state, coordinates, zone, event type, severity, urgency, or certainty. area, point, and zone are mutually exclusive. Omit all filters for a national search.
nws_get_observations
Get current weather observations (actual measured conditions). Accepts coordinates (resolves nearest station automatically) or a station ID directly (e.g., "KSEA").
nws_find_stations
Find weather observation stations near a location. Returns stations sorted by proximity with distance and bearing. Use to discover station IDs for nws_get_observations.
nws_list_alert_types
List all valid NWS alert event type names. Use to discover valid values for the event filter in nws_search_alerts, or to browse alert categories. No parameters required.

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