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Scherlok

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

Connector by rbmuller · GitHub account verified by the MCP Registry

IndexedMITLocal (stdio)★ 11
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Install

Works with Claude Code, Codex, VS Code, Cursor, Windsurf, Claude Desktop. Read the repository before you give any tool access to your data.

npx agentmarket install connector/rbmuller-scherlok

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

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

Use cases: data-pipelines, monitoring-observability

Reviews

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Permissions

What this server can do and what it asks for, from its tool list, install config and code. Checked Oct 25, 2026.

Tools
4 read · 1 write · 0 delete · 2 not yet classified
Secrets
1 (API keys, tokens or passwords)
Install scripts
None found
Runs as
Python package

Tools by what they do 7

Read from the source code; the running server may list different tools.

Read 4 · Look things up without changing anything.

  • history
  • list_tables
  • status
  • watch

Write 1 · Create, change, send or run things.

  • record_explanation

Not yet classified 2 · We could not tell from the name and description.

  • check
  • investigate

Secrets and settings it asks for

Secrets: values you paste in that let it act as you.

  • SCHERLOK_CONNECTION

Network hosts it talks to 5

  • github.com · found in code
  • glama.ai · found in code
  • hooks.slack.com · found in code
  • rbmuller.github.io · found in code
  • schemas.getdbt.com · found in code

Files it touches

  • Your home directory (~)
  • ~/.scherlok

Tools (7)

Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].

  • check

    Run a watch over all tables and return a CI-style pass/fail gate. `fail_on` is `"critical"` (default — fail only on CRITICAL) or `"warning"` (stricter — fail on WARNING or worse). Mirrors `scherlok ci`. Returns `passed` plus the severity counts the decision was based on.

  • history

    Return anomalies recorded in the last `days` days (capped). Reads from the local profile store — does not re-profile the warehouse.

  • investigate

    Profile tables and store them as the baseline for future anomaly checks. Pass `tables` to limit to specific tables, or omit to profile everything visible. The first profile of a table establishes its baseline; no anomalies are reported here. Run `watch` later to detect drift.

  • list_tables

    List the tables visible to the configured warehouse connection. Returns the table names (capped) and a total count. Use this to discover what can be profiled before calling `investigate` or `watch`.

  • record_explanation

    Record the root-cause hypothesis for this batch of data-quality anomalies.

  • status

    Report the current monitoring state. Returns the connection target (password redacted), how many tables the connection can see, and how many anomalies were recorded in the last 30 days. A quick health glance without profiling anything.

  • watch

    Profile tables and detect anomalies against the stored baseline. Returns the anomalies found (type, severity, message per table), capped. Pass `tables` to limit scope, or omit to watch everything. Tables with no prior baseline are profiled silently (their baseline is set for next time).

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    Featured in

    Signals

    Stars
    11
    Forks
    6
    Open issues
    12
    Weekly downloads
    159
    Last commit
    Oct 19, 2026 (9 days ago)
    Last release
    Oct 19, 2026 (9 days ago)
    Last package publish
    Oct 19, 2026 (9 days ago)

    From GitHub (fetched Oct 24, 2026) and the package registry.

    Details

    Registry name
    io.github.rbmuller/scherlok
    Version
    1.0.5
    Auth
    API key
    Packages
    pypi scherlok
    License
    MIT
    Repository
    github.com/rbmuller/scherlok
    First seen
    Oct 24, 2026
    Last checked
    Oct 24, 2026
    Source
    Official MCP Registrygithub-graphql
    Cite this page

    Scherlok MCP server. Agent Mart. https://agentmart.dev/connectors/rbmuller-scherlok (last updated 2026-10-24)