# Datajunction Repo

> | Activate this skill when authoring DataJunction (DJ) nodes via YAML files in a git repository — the repo-backed workflow. Covers YAML schemas per node type, branch-based development, temporal partitions on cubes, registering pre-aggregations / aggregate awareness, and the full PR-driven deployment flow. Keywords: - YAML nodes, YAML definitions - repo-backed namespace, repo-backed workflow - git workflow, branch development, feature branch - cube YAML, metric YAML, dimension YAML, transform YAML - add a metric YAML file, add a dimension YAML file, add a cube YAML file - temporal partition, partition pushdown - pre-commit, push.sh - pre-aggregation, pre-agg, preagg, kind: preagg - aggregate awareness, aggregate navigation, query routing - external pre-aggregation, externally-built aggregate, registered aggregate - multiple tables for a metric, fact table and agg table, fact/agg hierarchy - summary table, rollup table, agg table, materialized aggregate - metrics map, dimensions map, column binding, validthroughts, availability - freshness, join back, retained key

## Facts
- Page: https://tashan.sh/capability/skill-datajunction-datajunction-repo
- tashan id: skill:DataJunction/datajunction-repo
- Source: https://github.com/DataJunction/dj
- Type: skill
- Category: other
- tashan score: not scored (catalogued only — too little public evidence)
- Adoption: 9.0
- Upkeep: 97.0
- Freshness: 93.0
- Evidence coverage: 84% of the inputs this score can use
- Health: active
- Instruction depth: not yet graded
- License: MIT
- Official: no

## Install

```sh
cp -r datajunction-repo ~/.claude/skills/
```

## Security audit
Not scanned. We audit npm-published capabilities; this one has no npm package we can resolve, or has not reached the queue. This is not a clean bill of health.

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Measured 2026-09-12 by tashan (https://tashan.sh) from public evidence. Scorer s5.