data-quality SKILL.md skillA

data-quality from yeaight7/agent-powerups is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add yeaight7/agent-powerups/data-quality@git:20260606.a26b489

Pins git:20260606.a26b489 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
yeaight7/agent-powerups
Path
plugins/data-engineering/skills/data-quality/SKILL.md
Versions recorded
4
Latest version
git:20260606.a26b489, committed Jun 6, 2026
First version recorded
May 2, 2026
Size
6,597 bytes
Repository stars
8
License
Apache-2.0

Use when adding or reviewing data quality tests for dbt models in warehouse-backed analytics projects. Covers dbt generic tests, singular tests (assert_*.sql), accepted-values macros, dbt_utils patterns, cross-system consistency tests, and warehouse-oriented validation. Use when writing data tests, creating assert_*.sql files, testing business logic, or validating referential integrity.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# Data Quality

Testing patterns for dbt projects on analytical warehouses such as BigQuery. This workflow uses **dbt tests exclusively** — no external data-quality framework required.

## Test Types

### 1. Generic Tests (in YAML files)

Defined in `.yml` files alongside models. Use `data_tests:` (not `tests:`):

```yaml
# models/core/shared/dim_teams.yml
models:
  - name: dim_teams
    columns:
      - name: id
        description: Surrogate key
        data_tests:
          - unique
          - not_null

      - name: natural_id
        description: Natural key from source
        data_tests:
          - unique
          - not_null

      - name: plan_code
        description: Subscription plan code
        data_tests:
          - accepted_values:
              values: "{{ get_plan_code_values() }}"  # Use macros, not hardcoded lists
```

### 2. Singular Tests (assert_*.sql files)

Business logic tests live in `tests/` as `assert_*.sql` files. They pass when they return **zero rows**:

```sql
-- tests/teams/assert_teams_created_before_deleted.sql
with teams as (
    select * from {{ ref('dim_teams') }}
)

select
    teams.natural_id,
    teams.created_at,
    teams.deleted_at
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add yeaight7/agent-powerups/data-quality@sha256:30726307db8ad89c

The line at the top of this page pins the label git:20260606.a26b489, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_hkw6yatn7mihcccx.svg)](https://markdownregistry.com/a/art_hkw6yatn7mihcccx)

2 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 4 versions of this file, between May 2, 2026 and Jun 6, 2026, about one every 12 days.

versioncommittedcommitsizeaudit
git:20260606.a26b489 latest2026-06-06 a26b489 6,597 BA view · diff
git:20260502.f9e87ea2026-05-02 f9e87ea 6,651 BA view · diff
git:20260502.23ed5252026-05-02 23ed525 6,724 BA view · diff
git:20260502.ae775ec2026-05-02 ae775ec 6,724 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the 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 (6597 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

yeaight7/agent-powerups · 8 stars · license Apache-2.0 · pushed 2026-09-27 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_hkw6yatn7mihcccx
GET https://markdownregistry.com/api/v1/resolve?ref=yeaight7/agent-powerups/data-quality
GET https://markdownregistry.com/api/v1/blob/30726307db8ad89c787df8a30ab3fa30379b3e72ec2bc237520058590f3c338b

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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