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Databases

SQL Preview

io.github.fadnavismehul/sql-preview · v0.6.28

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

Website Source code Set it up

Connect Runs on your machine

Terminal
claude mcp add sql-preview -e SQL_PREVIEW_CONNECTIONS=<SQL_PREVIEW_CONNECTIONS> -e SQL_PREVIEW_MCP_SAFE_MODE=<SQL_PREVIEW_MCP_SAFE_MODE> -e SQL_PREVIEW_MAX_ROWS=<SQL_PREVIEW_MAX_ROWS> -- npx -y [email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "sql-preview": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "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>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "sql-preview": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "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>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "sql-preview": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "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>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

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

Details

Package[email protected] (NPM, stdio)
First published19 Aug 2026
Last updated19 Aug 2026
Registry nameio.github.fadnavismehul/sql-preview

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