Is io.github.rbmuller/scherlok safe to use?

io.github.rbmuller/scherlok has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.

How do I install io.github.rbmuller/scherlok?

io.github.rbmuller/scherlok supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.

What can io.github.rbmuller/scherlok do?

io.github.rbmuller/scherlok provides 6 tools: list_tables, investigate, watch, status, history and 1 more. See the full tools list on the server page for descriptions and parameters.

What AI clients work with io.github.rbmuller/scherlok?

io.github.rbmuller/scherlok is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.

Is io.github.rbmuller/scherlok actively maintained?

io.github.rbmuller/scherlok is recently maintained — last commit was 37 days ago. It has 6 GitHub stars.

io.github.rbmuller/scherlok

scherlok

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

6 6 tools GitHub PyPI

No known CVEs

No license

Maintained

Last commit 37d ago

Works with most clients

Transport: stdio, sse, http

6 tools · ~264 tok

Grade A · 0.1% of 200K ctx

Edit this pageView history

E-Commerce

Step 1

Install in your client

Config is the same across clients — only the file and path differ.

Supported in Claude Desktopstdio, sse, http · Node 18+

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

{
  "mcpServers": {
    "scherlok": {
      "env": {
        "SCHERLOK_CONNECTION": "postgresql://user:pass@host/db"
      },
      "command": "scherlok-mcp"
    }
  }
}

Are you the author?

Add this badge to your README to show your security score and help users find safe servers.

Embed in your READMEAbout badges →

[![MCPpedia Score](https://mcppedia.org/api/badge/io-github-rbmuller-scherlok)](https://mcppedia.org/s/io-github-rbmuller-scherlok)

Read me

What io.github.rbmuller/scherlok does

Scherlok makes sure it doesn't happen next time.

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.

uvx 'scherlok' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

Loading README…

Scored, not listed

Why this score

Five weighted categories — click any category to see the underlying evidence.

Score breakdown

82/100across 5 weighted dimensions

How we score →

0255075100

−18

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked scherlok against OSV.dev.

Inventory

Tools (6)

Click any tool to inspect its schema.

~264 tokens total

Community

Reviews

Be the first to review

Have you used this server?

Share your experience — it helps other developers decide.

How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is io.github.rbmuller/scherlok safe to use?: io.github.rbmuller/scherlok has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.
How do I install io.github.rbmuller/scherlok?: io.github.rbmuller/scherlok supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can io.github.rbmuller/scherlok do?: io.github.rbmuller/scherlok provides 6 tools: list_tables, investigate, watch, status, history and 1 more. See the full tools list on the server page for descriptions and parameters.
What AI clients work with io.github.rbmuller/scherlok?: io.github.rbmuller/scherlok is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
Is io.github.rbmuller/scherlok actively maintained?: io.github.rbmuller/scherlok is recently maintained — last commit was 37 days ago. It has 6 GitHub stars.

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Get CVE alerts and security updates for io.github.rbmuller/scherlok and similar servers.

Community

Discussion

Start a conversation

Ask a question, share a tip, or report an issue.

Has anyone used this with Cursor?How do you handle auth?Any alternatives?

Edit this pageView history

E-Commerce

Step 1

Install in your client

Config is the same across clients — only the file and path differ.

Supported in Claude Desktopstdio, sse, http · Node 18+

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

{
  "mcpServers": {
    "scherlok": {
      "env": {
        "SCHERLOK_CONNECTION": "postgresql://user:pass@host/db"
      },
      "command": "scherlok-mcp"
    }
  }
}

Are you the author?

Add this badge to your README to show your security score and help users find safe servers.

Embed in your READMEAbout badges →

[![MCPpedia Score](https://mcppedia.org/api/badge/io-github-rbmuller-scherlok)](https://mcppedia.org/s/io-github-rbmuller-scherlok)

Read me

What io.github.rbmuller/scherlok does

Scherlok makes sure it doesn't happen next time.

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.

uvx 'scherlok' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

README

Scherlok

Your data broke in production. Again.
Scherlok makes sure it doesn't happen next time.

Zero config. Zero YAML. Zero rules to write.
Scherlok learns what "normal" looks like, then tells you when something changes.

The Problem

Every data team has the same nightmare:

A source API silently changes from dollars to cents. Revenue dashboards show wrong numbers for 3 weeks before anyone notices.

A column starts returning NULLs. A table stops updating. Row counts drop 40% on a Tuesday. Nobody knows until the CEO asks why the report looks weird.

Current tools (Great Expectations, Soda, dbt tests) require you to define what "correct" looks like before you can detect what's wrong. Hundreds of rules. Dozens of YAML files. And you still miss things — because you can't write rules for problems you haven't imagined yet.

The Solution

Scherlok takes the opposite approach: learn first, then detect.

scherlok connect postgres://user:pass@host/db   # connect once
scherlok investigate                              # learn your data
scherlok watch                                    # detect anomalies

Three commands. Five minutes. Done.

What It Catches

Anomaly	What Happened	Severity
Volume drop	Row count dropped 40% overnight	CRITICAL
Volume spike	3x more rows than normal	WARNING
Freshness alert	Table hasn't updated in 12h (normally every 2h)	CRITICAL
Schema drift	Column removed or type changed	CRITICAL
NULL surge	NULL rate jumped from 2% to 45%	WARNING
Distribution shift	Column mean shifted 3+ standard deviations (Shewhart-style control limit)	INFO, WARNING above 5σ
Cardinality explosion	Status column went from 5 values to 500	CRITICAL

Every anomaly is auto-scored: INFO, WARNING, or CRITICAL. No thresholds to configure.

Works with dbt

Already running dbt? Scherlok complements dbt test with automatic anomaly detection — no rules to write.

pip install scherlok[dbt]

# After `dbt run`, point Scherlok at your project
scherlok dbt --project-dir ./my_dbt_project

Scherlok reads target/manifest.json, discovers every materialized model (table, incremental, view), auto-resolves the connection from your profiles.yml, and profiles each model:

Investigating 4 dbt models in ./my_dbt_project (postgres)
  ✓ stg_customers                  (12,345 rows)
  ✓ stg_orders                     (98,765 rows)
  ✗ fct_orders                     CRITICAL: Row count dropped 42% (98,765 → 57,283)
  ✓ dim_customers_inc              (12,300 rows)

Summary: 4 profiled, 1 anomalies (1 critical, 0 warni

... [View full README on GitHub](https://github.com/rbmuller/scherlok#readme)

Loading README…

Scored, not listed

Why this score

Five weighted categories — click any category to see the underlying evidence.

Score breakdown

82/100across 5 weighted dimensions

How we score →

0255075100

−18

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked scherlok against OSV.dev.

Inventory

Tools (6)

Click any tool to inspect its schema.

~264 tokens total

Community

Reviews

Be the first to review

Have you used this server?

Share your experience — it helps other developers decide.

How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is io.github.rbmuller/scherlok safe to use?: io.github.rbmuller/scherlok has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.
How do I install io.github.rbmuller/scherlok?: io.github.rbmuller/scherlok supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can io.github.rbmuller/scherlok do?: io.github.rbmuller/scherlok provides 6 tools: list_tables, investigate, watch, status, history and 1 more. See the full tools list on the server page for descriptions and parameters.
What AI clients work with io.github.rbmuller/scherlok?: io.github.rbmuller/scherlok is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
Is io.github.rbmuller/scherlok actively maintained?: io.github.rbmuller/scherlok is recently maintained — last commit was 37 days ago. It has 6 GitHub stars.