# Macrostrat
> Geological data, rock units, fossils, and geologic maps.

## Website
https://macrostrat.org

## Portal
https://macrostrat.on.xpay.sh

## MCP Servers

### Macrostrat
Geological data, rock units, fossils, and geologic maps
URL: https://macrostrat.mcp.xpay.sh/mcp?key=YOUR_XPAY_KEY
Tools:
- find-columns: Find geological stratigraphic columns, rock layers, and geological history for any location worldwide. Use for geology, bedrock, formations, age dating, and stratigraphic analysis. ($0.01/call)
- find-units: Find geological rock units, formations, bedrock geology, and mineral information for any location worldwide. Use for geology questions, rock types, age dating, lithology, and geological analysis. ($0.01/call)
- defs: Routes giving access to standard fields and dictionaries used in Macrostrat ($0.01/call)
- defs-autocomplete: Quickly retrieve all definitions matching a query. Limited to 100 results ($0.01/call)
- mineral-info: Get information about a mineral, use one property ($0.01/call)
- timescale: Get information about a time period ($0.01/call)
- lat-lng-to-tile: Convert latitude/longitude coordinates to map tile coordinates (x, y) for a given zoom level. Uses the same web mercator projection as MapKit. ($0.01/call)
- map-tiles: Get map tile URLs from the Macrostrat tiles server. Use lat-lng-to-tile tool first to get proper x,y coordinates. Defaults to 'carto' scale which automatically adapts detail level to zoom. ($0.01/call)

## Get Started
1. Get an API key at https://macrostrat.on.xpay.sh/account/keys
2. Add the MCP server URL to your client config (Claude, Cursor, Windsurf)
3. Pay per tool call from your XPay wallet

## About
Powered by XPay — pay-per-use API access for AI agents.
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