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mcp-macrostrat

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mcp-macrostrat

Macrostrat MCP — geologic map / column / unit data for North America and beyond.

Part of Pipeworx — an MCP gateway connecting AI agents to 1476+ live data sources.

Tools

Tool

Description

find_units

Find geologic rock units from Macrostrat by location + age, by stratigraphic name, or by lithology. Provide lat+lng (optionally with age in millions of years, Ma), or a strat_name (e.g. "Hell Creek"), or a lith (e.g. "granite"). Returns units with formation/group, stratigraphic column, bottom/top ages (Ma) and time intervals, lithology, and max thickness. Keyless. North America and beyond.

find_columns

List Macrostrat stratigraphic columns near a geographic point. Provide lat and lng (decimal degrees). Returns the columns covering that location with column name, regional group, coordinates, unit count, and area. Keyless.

define_lithology

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).Returns lithology id, name, type, group, and class. Keyless.

Related MCP server: grant-mcp

Quick Start

Add to your MCP client (Claude Desktop, Cursor, Windsurf, etc.):

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

What this endpoint actually serves

tools/list at https://gateway.pipeworx.io/macrostrat/mcp returns the tools in the table above plus the shared Pipeworx meta-tools — ask_pipeworx, discover_tools, search_within, remember/recall and the rest of the gateway-wide set. So the tool count you see is larger than this table: a single-pack endpoint currently lists roughly 30 shared tools alongside the pack's own. The connection's initialize response states its exact scope, and is the authoritative answer for a given day.

This is deliberate, not multiplexing by accident. The meta-tools are what let a scoped connection answer a question this pack does not cover — via ask_pipeworx, which routes across the whole catalog — without you adding a second MCP server. There is currently no way to mount a pack endpoint without them; if the extra schemas cost you more context than the routing is worth, connect to the full gateway once rather than to several pack endpoints.

Or connect to the full Pipeworx gateway to get every pack's tools listed directly, instead of just this one's:

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

Both URLs reach the same gateway and the same 1476+ data sources. The only difference is which pack's tools are listed directly; ask_pipeworx reaches all of them from either one.

Using with ask_pipeworx

Instead of calling tools directly, you can ask questions in plain English — this works on the pack endpoint above as well as on the full gateway:

ask_pipeworx({ question: "your question about Macrostrat data" })

The gateway picks the right tool and fills the arguments automatically.

More

License

MIT

This server cannot be deployed

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Maintenance

ActivityMaintained
ResponsivenessNo issues

Resources

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