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mcp/harbor
Grok

mcp caixa for Grok

io.github.codespar/mcp-caixa

MCP server for Caixa Econômica Federal — Pix, Cobrança (SICOB boleto), Extrato (OAuth2 + mTLS)

client:Grok transport:stdio runtime:npm

Install mcp caixa 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": {
    "mcp-caixa": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@codespar/mcp-caixa"
      ],
      "env": {
        "CAIXA_CLIENT_ID": "<CAIXA_CLIENT_ID>",
        "CAIXA_CLIENT_SECRET": "<CAIXA_CLIENT_SECRET>",
        "CAIXA_CERT_PATH": "<CAIXA_CERT_PATH>",
        "CAIXA_KEY_PATH": "<CAIXA_KEY_PATH>",
        "CAIXA_ENV": "<CAIXA_ENV>"
      }
    }
  }
}

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

mcp caixa in other clients

mcp caixa MCP server