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mcp/harbor
Gemini CLI

SQL Preview for Gemini CLI

io.github.fadnavismehul/sql-preview

Run governed SQL queries and inspect database schemas from MCP agents.

client:Gemini CLI transport:stdio runtime:npm

Install SQL Preview in Gemini CLI

~/.gemini/settings.json · windows: %USERPROFILE%\.gemini\settings.json

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

{
  "mcpServers": {
    "sql-preview": {
      "command": "npx",
      "args": [
        "-y",
        "sql-preview"
      ],
      "env": {
        "SQL_PREVIEW_CONNECTIONS": "<SQL_PREVIEW_CONNECTIONS>",
        "SQL_PREVIEW_MCP_SAFE_MODE": "<SQL_PREVIEW_MCP_SAFE_MODE>",
        "SQL_PREVIEW_MAX_ROWS": "<SQL_PREVIEW_MAX_ROWS>"
      }
    }
  }
}

Gemini expands $VAR and ${VAR} inside env values, so a secret can live in your shell rather than this file. Gemini CLI docs

SQL Preview in other clients

SQL Preview MCP server