Scherlok runs on your own machine — the client starts it, so there is no endpoint to ping. 506 installs a week from pypi. Last commit 7 Nov 2026.
Zero-config data-quality monitoring: profile a warehouse, detect anomalies, gate CI.
We read the source, 1 d ago · rules 995398eba69f
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
result = subprocess.run(
if "hooks.slack.com" in url_lower or "slack" in url_lower:
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add scherlok -e 'SCHERLOK_CONNECTION=<SCHERLOK_CONNECTION>' -- uvx scherlok
{
"mcpServers": {
"scherlok": {
"command": "uvx",
"args": [
"scherlok"
],
"env": {
"SCHERLOK_CONNECTION": "<SCHERLOK_CONNECTION>"
}
}
}
}
[mcp_servers.scherlok]
command = "uvx"
args = ["scherlok"]
env = { SCHERLOK_CONNECTION = "<SCHERLOK_CONNECTION>" }
{
"mcpServers": {
"scherlok": {
"command": "uvx",
"args": [
"scherlok"
],
"env": {
"SCHERLOK_CONNECTION": "<SCHERLOK_CONNECTION>"
}
}
}
}
{
"servers": {
"scherlok": {
"type": "stdio",
"command": "uvx",
"args": [
"scherlok"
],
"env": {
"SCHERLOK_CONNECTION": "<SCHERLOK_CONNECTION>"
}
}
}
}
Put your own value in place of
<SCHERLOK_CONNECTION> (Warehouse connection string (postgresql://, bigquery://, snowflake://, mysql://, duckdb:///path). Resolved server-side; never passed by the model).
The author’s registry entry marks it as required.
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Answers built from our own checks of this server.