mcp · Europe

ecmwf-weather-skills

Agent Skills for ECMWF weather data — Open Data, Polytope, CDS/ADS, MARS, WMS/OpenCharts and earthkit

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What's in it

Data offered docs-verified: real-time IFS forecasts · AIFS forecasts · ERA5 reanalysis · ERA5-Land · CAMS air quality · MARS archive · station observations (SYNOP, METAR) · Polytope hourly point forecasts · Polytope 50-member ensemble percentiles · Destination Earth Climate DT and Extremes DT · ecCharts/OpenCharts WMS map layers
Resolution docs-verified: 0.25° spatial for the free Open Data subset; hourly temporal for Polytope point forecasts
Formats docs-verified: GRIB · NetCDF · JSON · PNG · WMS
Access docs-verified: Free/open: no credentials needed for ECMWF Open Data, public WMS and OpenCharts. Optional API keys for CDS/ADS, MARS and Polytope, which depend on account entitlement. Software licence Apache-2.0; data CC BY 4.0 (Copernicus credit for C3S/CAMS).

Useful for

Use cases llm-inferred: ERA5-Land historical rainfall and temperature baseline for a site water-balance or drainage study · Free IFS/AIFS point forecast (precipitation, wind) for short-term site works planning · CAMS air quality layers as WMS maps for environmental impact assessment figures · Polytope ensemble percentile point forecasts for weather-sensitive construction programme risk
Audience llm-inferred: hydrologists · flood consultants · drainage engineers · GIS analysts · environmental consultants

Limitations

Constraints docs-verified: Emerging maturity under ECMWF software maturity guidelines · Not for operational use; forecasts are raw model output, not official warnings · Polytope and MARS access depends on account entitlement · CDS/ADS downloads return HTTP 403 until the dataset licence is accepted once · Linux or macOS only; Windows requires WSL · Bundled MCP server is ECMWF's hosted endpoint (https://mcp.ecmwf.int), not a package in this repo, and has no point forecasts or ERA5 (MCP 0.4.0) · Catalogue metadata lists no MCP tools

Licence: Apache-2.0
Authentication: API key via env: CDSAPI_KEY, DESTINE_POLYTOPE_KEY, ECMWF_API_KEY, POLYTOPE_USER_KEY (auto-extracted from README)
GitHub stars: 4
Last commit: 11/10/2026
Last successful page check: 14/10/2026
Page health: healthy
Package: npm:skills
Verification: Not independently verified

Auto-extracted, unverified fields: tools, install, auth. Check upstream documentation.

Provenance & evidence

Daily discovery 2026-10-15: GitHub search; verified via GitHub API. Tools/install/auth auto-extracted from README.

Metadata observed 14/10/2026 · daily-2026-10-15 (github-search)