`define_lithology`

Pack: macrostrat · Endpoint: https://gateway.pipeworx.io/macrostrat/mcp

Look up Macrostrat lithology definitions by name (e.g. “granite”, “limestone”) returning lith_id, name, type, group, and class; omit lith to list all lithologies (capped at 50 results).

Parameters

Name	Type	Required	Description
`lith`	string	no	Lithology name to match, e.g. “granite”. Omit to list all.

Example call

Arguments

{
  "lith": "granite"
}

curl

curl -X POST https://gateway.pipeworx.io/macrostrat/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"define_lithology","arguments":{"lith":"granite"}}}'

TypeScript (@pipeworx/sdk)

import { Pipeworx } from '@pipeworx/sdk';
const pipeworx = new Pipeworx();

const result = await pipeworx.call('define_lithology', {
  "lith": "granite"
});

More examples

{
  "lith": "limestone"
}

Connect

Add this to your MCP client config, or use one-click install buttons:

{
  "mcpServers": {
    "macrostrat": {
      "url": "https://gateway.pipeworx.io/macrostrat/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

define_lithology