MCP Server

SQL Preview MCP Server

Name: SQL Preview MCP Server
Author: io.github.fadnavismehul

io.github.fadnavismehul/sql-preview

Repository Registry

What is the SQL Preview MCP server?

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

How to install SQL Preview

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

SQL_PREVIEW_CONNECTIONS
secret
JSON array of SQL Preview connection profiles for headless use.
SQL_PREVIEW_MCP_SAFE_MODE
Set to false to allow mutating SQL. Defaults to true.
SQL_PREVIEW_MAX_ROWS
Maximum rows returned by query tools. Defaults to 10000.

Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json

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

Cursor

~/.cursor/mcp.json

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

Windsurf

~/.codeium/windsurf/mcp_config.json

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

VS Code

.vscode/mcp.json

{
  "servers": {
    "sql-preview": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "sql-preview",
        "-y",
        "--stdio"
      ],
      "env": {
        "SQL_PREVIEW_CONNECTIONS": "<YOUR_SQL_PREVIEW_CONNECTIONS>",
        "SQL_PREVIEW_MCP_SAFE_MODE": "<YOUR_SQL_PREVIEW_MCP_SAFE_MODE>",
        "SQL_PREVIEW_MAX_ROWS": "<YOUR_SQL_PREVIEW_MAX_ROWS>"
      }
    }
  }
}

Claude Code

claude mcp add sql-preview --env SQL_PREVIEW_CONNECTIONS=<YOUR_SQL_PREVIEW_CONNECTIONS> --env SQL_PREVIEW_MCP_SAFE_MODE=<YOUR_SQL_PREVIEW_MCP_SAFE_MODE> --env SQL_PREVIEW_MAX_ROWS=<YOUR_SQL_PREVIEW_MAX_ROWS> -- npx -y sql-preview -y --stdio