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Grok

CaliberAPI Pistol Optic Fit for Grok

com.caliberapi/pistol-optics

Source-cited pistol red dot compatibility: direct fits, adapter plates and optic footprints.

client:Grok transport:streamable-http tools:5

Install CaliberAPI Pistol Optic Fit in Grok

.mcp.json (in your project root)

{
  "mcpServers": {
    "pistol-optics": {
      "type": "http",
      "url": "https://mcp.caliberapi.com/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

CaliberAPI Pistol Optic Fit in other clients