- Add polar stereographic coordinate transform (EPSG:3413/3031) in geo.py
so geographic bboxes are properly converted to projected meters
- Auto-detect image format: PNG for colormapped layers (preserves exact
colors for query_point reverse-mapping), JPEG for true-color
- get_imagery format parameter now defaults to "auto" instead of "jpeg"
- Embed NDVI seasonal timelapse and polar stereo images in README
- 96 tests passing
Fetch script uses FastMCP Client to call tools through MCP protocol.
Includes Amazon true color, global temperature with legend,
and Arctic sea ice March vs September comparison.
Conversational examples now grounded in actual tool output.
