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CharterBench for Grok

io.github.auburnduke/charterbench

Every U.S. bank and credit union: ratios, peers, growth and change signals from FDIC/NCUA filings.

client:Grok transport:stdio runtime:npm

Install CharterBench in Grok

.mcp.json (in your project root)

Held in this page only — never stored, logged, or sent anywhere but back to your screen.

{
  "mcpServers": {
    "charterbench": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "charterbench-mcp"
      ],
      "env": {
        "CHARTERBENCH_API_KEY": "<CHARTERBENCH_API_KEY>"
      }
    }
  }
}

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

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