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Flat Earth Science for Grok

org.flatearthscience/flatearthscience-org

Earth curvature, horizon, flight, Sun and daylight calculators plus tested flat-earth claims.

client:Grok transport:streamable-http tools:8

Install Flat Earth Science in Grok

.mcp.json (in your project root)

{
  "mcpServers": {
    "flatearthscience-org": {
      "type": "http",
      "url": "https://flatearthscience.org/api/mcp"
    }
  }
}

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

What Grok can do once it is connected

Flat Earth Science in other clients