MCP server

Macrostrat

io.github.pipeworx-io/macrostrat

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

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

Working at last checkOfficial: pipeworx.io's GitHub account (pipeworx-io)About 26,933 tokens per request once connected45 tools

https://gateway.pipeworx.io/macrostrat/mcp

At a glance

Type: MCP server
Publisher: pipeworx.io (verified by the MCP Registry)
Status: Working at last check
Tools: 45
Token cost: About 26,933 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http macrostrat https://gateway.pipeworx.io/macrostrat/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.macrostrat]
url = "https://gateway.pipeworx.io/macrostrat/mcp"

Gemini CLI

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

Cursor

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

VS Code

{"servers":{"macrostrat":{"type":"http","url":"https://gateway.pipeworx.io/macrostrat/mcp"}}}

Antigravity

agy mcp add macrostrat https://gateway.pipeworx.io/macrostrat/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"macrostrat","server_url":"https://gateway.pipeworx.io/macrostrat/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"macrostrat","server_url":"https://gateway.pipeworx.io/macrostrat/mcp"}

define_lithology ~142 tokens
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.
find_columns ~148 tokens
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.
find_units ~340 tokens
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 ag

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