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Databases

sql-steward

io.github.Pawansingh3889/sql-steward · v0.4.0

The agent never writes SQL: queries compile from a semantic layer you control, PII refused first.

Source code Set it up

Connect Runs on your machine

Terminal
claude mcp add sql-steward -e SQL_STEWARD_DB_URL=<SQL_STEWARD_DB_URL> -e SQL_STEWARD_LAYER=<SQL_STEWARD_LAYER> -- uvx sql-steward==0.4.0
claude_desktop_config.json
{
  "mcpServers": {
    "sql-steward": {
      "command": "uvx",
      "args": [
        "sql-steward==0.4.0"
      ],
      "env": {
        "SQL_STEWARD_DB_URL": "<SQL_STEWARD_DB_URL>",
        "SQL_STEWARD_LAYER": "<SQL_STEWARD_LAYER>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "sql-steward": {
      "command": "uvx",
      "args": [
        "sql-steward==0.4.0"
      ],
      "env": {
        "SQL_STEWARD_DB_URL": "<SQL_STEWARD_DB_URL>",
        "SQL_STEWARD_LAYER": "<SQL_STEWARD_LAYER>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "sql-steward": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "sql-steward==0.4.0"
      ],
      "env": {
        "SQL_STEWARD_DB_URL": "<SQL_STEWARD_DB_URL>",
        "SQL_STEWARD_LAYER": "<SQL_STEWARD_LAYER>"
      }
    }
  }
}

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_STEWARD_DB_URL
Required, secret		SQLAlchemy URL of the database to read (read-only account recommended)
SQL_STEWARD_LAYER
Optional		Path to the semantic layer YAML (default: semantic.yaml)

Details

Package[email protected] (PYPI, stdio)
First published18 Jul 2026
Last updated18 Jul 2026
Registry nameio.github.Pawansingh3889/sql-steward

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