How do I install Scherlok?

Scherlok is a local plugin. Install it using PyPI package: scherlok and add the generated configuration snippet to your AI app's MCP config file. Then restart your AI app.

What credentials does Scherlok need?

Scherlok requires the following credentials or environment variables: SCHERLOK_CONNECTION. You can find setup instructions on the server detail page.

What AI apps work with Scherlok?

Scherlok uses the Model Context Protocol (MCP) and works with any MCP-compatible AI app, including Claude, ChatGPT / Codex, Gemini, Copilot, Cursor, and more.

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Scherlok MCP Server

by Rbmuller

Developer ToolsUse Caution4.2MCP RegistryLocal

Free

Server data from the Official MCP Registry

Zero-config data-quality monitoring: profile a warehouse, detect anomalies, gate CI.

About

Zero-config data-quality monitoring: profile a warehouse, detect anomalies, gate CI.

Security Report

4.2

Use Caution4.2High Risk

Scherlok is a data quality monitoring tool with generally sound architecture and appropriate security practices. Authentication and authorization are properly delegated to database connectors, and credentials are stored via environment variables rather than hardcoded. However, there are moderate concerns around input validation on webhook URLs, SQL query construction patterns that could be vulnerable to injection, and subprocess execution in the dbt-run-and-watch command without full validation. Permissions are well-scoped to the tool's purpose (database read-only access, network for webhooks/alerts, file I/O for local store). Supply chain analysis found 10 known vulnerabilities in dependencies (0 critical, 3 high severity). Package verification found 1 issue.

4 files analyzed · 18 issues found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

HTTP Network Access

Connects to external APIs or services over the internet.

env_vars

Check that this permission is expected for this type of plugin.

File System Read

Reads files on your machine. Normal for tools that analyze or process local data.

File System Write

Writes or modifies files on your machine. Check that this is expected for the tool.

database

Check that this permission is expected for this type of plugin.

process_spawn

Check that this permission is expected for this type of plugin.

What You'll Need

Set these up before or after installing:

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

Environment variable: SCHERLOK_CONNECTION

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-rbmuller-scherlok": {
      "env": {
        "SCHERLOK_CONNECTION": "your-scherlok-connection-here"
      },
      "args": [
        "scherlok"
      ],
      "command": "uvx"
    }
  }
}

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Scherlok MCP Server

About

Security Report

Findings (18)Action required

Permissions Required

What You'll Need

How to Install

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