rampstackco/claude-skills · skills/data-warehouse-experimentation/SKILL.md

data-warehouse-experimentation skillA

data-warehouse-experimentation is agent-read markdown (skill) from rampstackco/claude-skills: Running experiments out of the data warehouse instead of via dedicated experiment platforms. SQL-based assignment, exposure logging discipline, metric definitions in dbt models, statistical analysis in SQL or Python, variance reduction with CUPED, sequential testing, and the operational tradeoffs vs platforms like Statsig and Optimizely. Triggers on warehouse-native experimentation, run experiments in BigQuery, run experiments in Snowflake, dbt experiments, SQL t-test, CUPED variance reduction, .

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

How to install

Latest version
mdr add rampstackco/claude-skills/data-warehouse-experimentation@git:20260810.e5bc675
Exact content
mdr add rampstackco/claude-skills/data-warehouse-experimentation@sha256:e3aa63517c3495fb

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_6rt5n7bbn5jpfj5a.svg)](https://markdownregistry.com/a/art_6rt5n7bbn5jpfj5a)

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Versions

versioncommittedcommitsizeaudit
git:20260810.e5bc675 latest2026-08-10 e5bc675 29,023 BA view · diff
git:20260507.ac2b0782026-05-07 ac2b078 28,400 BA view · diff
git:20260505.f3368be2026-05-05 f3368be 27,943 BA view

Audit of the latest version

A  17 of 17 checks passed. Deterministic, no model, same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (29023 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

rampstackco/claude-skills · 878 stars · license MIT · pushed 2026-09-15 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_6rt5n7bbn5jpfj5a
GET https://markdownregistry.com/api/v1/resolve?ref=rampstackco/claude-skills/data-warehouse-experimentation
GET https://markdownregistry.com/api/v1/blob/e3aa63517c3495fb8039a498927b3045ddcc23bc9dc0af5ee96d489e6f525ff0

Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.