Macrostrat
$0.01/call
Geological data, rock units, fossils, and geologic maps
Connect Macrostrat tools
Cursor
Claude Code
Claude Desktop
Windsurf
VS Code
Cline
Roo Code
ChatGPT
Gemini CLI
Amazon Q
Goose
Augment
n8n
API / cURL
AI SDK
TypeScript SDK
{
"mcpServers": {
"macrostrat": {
"url": "https://macrostrat.mcp.xpay.sh/mcp?key=YOUR_API_KEY"
}
}
}Or connect all tools
Access all tools (including Macrostrat) through a single MCP connection.
{
"mcpServers": {
"xpay": {
"url": "https://mcp.xpay.sh/mcp?key=YOUR_API_KEY"
}
}
}Agent Discovery
Machine-readable catalogs for LLM agents and automation.
curl https://xpay.tools/llms.txt
curl https://xpay.tools/agents.txt
curl https://xpay.tools/skill.md
Pricing
Pay per tool call. No subscriptions.
8 Macrostrat tools availableFrequently Asked Questions
Macrostrat is an API provider available on xpay with 8 tools. Geological data, rock units, fossils, and geologic maps All tools are pay-per-call with no monthly fees.
Macrostrat tools are priced at $0.01/call. You only pay when you use a tool — there are no subscriptions or monthly fees. New accounts get $5 in free credits to try any tool.
Add xpay's MCP server to your AI client (Claude Code, Cursor, VS Code, Windsurf, or Cline) with the endpoint: https://mcp.xpay.sh/mcp?key=YOUR_API_KEY. Once connected, use xpay_discover to find Macrostrat tools, then xpay_run to execute them. For Claude Code: claude mcp add --transport http xpay "https://mcp.xpay.sh/mcp?key=YOUR_API_KEY"
Macrostrat provides 8 tools: find columns, find units, defs, defs autocomplete, mineral info, and 3 more. Each tool can be called independently and has its own pricing.
No. With xpay, one API key gives you access to all 8 Macrostrat tools plus 1000+ tools from 80+ other providers. You don't need to sign up for Macrostrat's API directly — xpay handles authentication, billing, and rate limiting.
Yes. Every new xpay account gets $5 in free credits. You can use these credits to try any Macrostrat tool — no credit card required. Sign up at xpay.tools to get started.