"""Metadata resource for raster statistics."""
from __future__ import annotations
from typing import Any
from src.app import mcp
from src.shared import raster
@mcp.resource("metadata://{file}/statistics")
def get_raster_statistics(file: str) -> dict[str, Any]:
"""Get lightweight raster statistics (read-only).
Returns per-band statistics including min, max, mean, std, median, and
percentiles (25/50/75). Histogram is disabled for lightweight planning
use. This helps the AI choose methods and parameters during planning.
"""
params = {"include_histogram": False, "percentiles": [25.0, 50.0, 75.0]}
return raster.stats(file, params)
