Scherlok MCP Server

by rbmullerio.github.rbmuller/scherlokv1.0.4

Read-only data quality monitoring for Postgres, BigQuery, Snowflake, MySQL and DuckDB: warehouse profiling, anomaly detection and optional dbt lineage.

11Pythonstdioofficial registry

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Active11d ago

Install Scherlok MCP server

claude mcp add scherlok -e SCHERLOK_CONNECTION='<scherlok-connection>' -- uvx scherlok

{
  "mcpServers": {
    "scherlok": {
      "command": "uvx",
      "args": [
        "scherlok"
      ],
      "env": {
        "SCHERLOK_CONNECTION": "<scherlok-connection>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "scherlok": {
      "command": "uvx",
      "args": [
        "scherlok"
      ],
      "env": {
        "SCHERLOK_CONNECTION": "<scherlok-connection>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "scherlok": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "scherlok"
      ],
      "env": {
        "SCHERLOK_CONNECTION": "<scherlok-connection>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "scherlok": {
      "command": "uvx",
      "args": [
        "scherlok"
      ],
      "env": {
        "SCHERLOK_CONNECTION": "<scherlok-connection>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
SCHERLOK_CONNECTION	yes	yes	Warehouse connection string (postgresql://, bigquery://, snowflake://, mysql://, duckdb:///path). Resolved server-side; never passed by the model.

Freshness

Active — last maintenance signal 11d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-09-28 · 11d ago · GitHub
Latest release
2026-09-24 · 15d ago · GitHub · v1.0.4
Package published
no data · npm/PyPI
Registry entry updated
2026-09-24 · 15d ago · official registry · v1.0.4

FAQ

›How do I install the Scherlok MCP server in Claude Code?

Run: claude mcp add scherlok -e SCHERLOK_CONNECTION='<scherlok-connection>' -- uvx scherlok. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Scherlok require an API key?

Yes. It expects SCHERLOK_CONNECTION, of which 1 is a secret.

›Can I use Scherlok as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Scherlok in the official MCP registry?

Yes, as io.github.rbmuller/scherlok.