com.weatherxm.fact/mcp

up checked 2026-11-11T13:38:25.711Z

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Publisher-provided title

WeatherXM FACT — Forecast Accuracy & Ground-Truth Verification

Publisher-provided description

Scores 45 NWP & AI weather models (ECMWF, GFS, ICON, meteoblue, MOSAIC) against 8,927 stations.

Summary by lookupd

Query verified historical error scores for weather forecast models, including leaderboards, best-model lookup by location, and…

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http mcp https://fact.weatherxm.com/mcp

Codex, remote (streamable-http)

codex mcp add mcp --url https://fact.weatherxm.com/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "mcp": {
      "url": "https://fact.weatherxm.com/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Publisher-provided text

get_best_forecast_model Find which weather forecast model had the lowest verified historical error (MAE) for a latitude/longitude coordinate (or station_or_report_id), weather variable
check_ground_truth_coverage Check historical WeatherXM FACT ground-station publication coverage for any coordinate (H3 Res-7 cell, ~5.2 km²) or station_or_report_id across temperature, win
get_fact_leaderboard Read the global weather forecast accuracy leaderboard (MAE, RMSE, circular angular error for wind_direction including >3 m/s active-wind curves, and categorical
get_model_head_to_head Compare up to 10 weather forecast models head-to-head across lead days 0 to 7 on global historical error curves (including circular angular error and >3 m/s act

Shows this live status and links here; updates hourly.

[![lookupd status](https://lookupd.com/badge/com.weatherxm.fact/mcp.svg)](https://lookupd.com/servers/com.weatherxm.fact/mcp)