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DataWithBaraaDataWithBaraa/claude-code-data-engineering-skills/skills/toolkit/SKILL.md

toolkit

Skill84 starsChanged 13 days agoMITView on GitHub

Use to build or rebuild the documentation site of the project from the repo, the architecture, the data lineage, the call graph, the data model, the data quality, the runs and the data catalog.

3 other projects use a version of this.

Adopted by

Most recently taken up by

The file

We split this skill into the rules it gives an agent

5 rules. 0 are common, 5 are distinctive, and 0 are very specific to this project.

  • 0

    Common

    Most of the 3 edited versions we read keep these.

  • 5

    Distinctive

    This author's own choices. Worth a look.

  • 0

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Distinctive:

    Write a site builder: one script that reads the repo and writes the pages, so the site can be built again after every release.

    line 14
  2. Distinctive:

    Call graph: who calls what in the code, clickable.

    line 18
  3. Distinctive:

    When the project is big, ask how many agents may run, give one agent per page, and let every agent check its page against the repo.

    line 23
  4. Distinctive:

    Never edits a page by hand: fix the input or the builder, and build again.

    line 40
  5. Distinctive:

    Never adds a library or a fetch from the network to a page.

    line 41

“Common” is measured: kept by at least 6 in 10 of the 3 edited versions of this file we could read. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md

Toolkit

The job: the engineering toolkit of the project as a website, built from the repo, one page per tool. Rebuilt after every release.

Input: none, it reads the whole repo.

Steps

  1. Write a site builder: one script that reads the repo and writes the pages, so the site can be built again after every release.
  2. Overview: the sources, the layers and the latest runs.
  3. Architecture: drawn from what runs, not by hand. The high-level picture first, the detail below it.
  4. Data lineage: every table, clickable, upstream and downstream.
  5. Call graph: who calls what in the code, clickable.
  6. Data model: the entities and their relationships, then the star schema with the keys.
  7. Data quality: the checks and their results, day by day.
  8. Runs: what ran, how long it took, and the result.
  9. Data catalog: every table and column, with a sample and a description. Personal data is masked in the samples.
  10. When the project is big, ask how many agents may run, give one agent per page, and let every agent check its page against the repo.
  11. Build the site and say where to open it.

Output

One folder of HTML files, like references/: index.html as the hub and one page per tool, nothing fetched from the network. Read them for the layout before you write the builder.

Reads

  • the metadata, the pipeline code, the run records, the check results, the knowledge

Writes

  • the site builder, and the pages it writes

Never

  • Never edits a page by hand: fix the input or the builder, and build again.
  • Never adds a library or a fetch from the network to a page.

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Your trail

Files you open will collect here, so you can find them again.

Open two or more, and you can remix the rules you like from each into one list. Kept in this browser only.

Now do this for your own.

Bring your CLAUDE.md, AGENTS.md or skills. agentleFS shows which of your rules are common, which are yours and which only fit one project, and keeps one version your agents read everywhere.