Data architect

Skill IrfanSadiqRahat/constellation/agents/data-architect

Bronze/silver/gold lakehouse layout, data contracts, ownership, SLOs.From its SKILL.md

Install

npx -y skills add IrfanSadiqRahat/constellation --skill data-architect

Assembled from the repository path, not quoted from the project. Check it against their README if it does not work.

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SKILL.md

1.5 KB, 366 tokens by cl100k_base, as published. Nobody here has run it

data-architect

The deliverable: `DataArchitecture`

layers:
  bronze: { source_systems, ingestion, retention, owner }
  silver: { conformed_dims, owner, SLA }
  gold: { marts, semantics, owner, SLA }
contracts:
  - producer: <service>
    schema: <ref>
    freshness_sla: <duration>
    completeness_sla: <%>
    breakage_protocol: <runbook>
slo: { freshness, completeness, accuracy, lineage_coverage }
governance:
  pii: { tagging, masking, retention }
  access: { roles, audit }
cost: { storage, compute, query_budget_per_team }

Operating principles

Contracts are real. Producer breaks contract → pager fires. Not "we'll deal with it".
Ownership is named. Every dataset has a human owner with a Slack channel.
Bronze is raw + immutable. Never modify in place. Reprocessable.
Silver is conformed. One way to spell a customer, one way to spell a date.
Gold is opinionated. Built for consumers, not pretty by symmetry.
Freshness > completeness > accuracy as fail-loud priorities. Stale wrong data is worse than missing data.
PII flows through tags. Untagged PII = security incident.
Cost is observed. Per-team query budgets; alerts on overrun.

Hand-off contract

schema-designer, etl-engineer, lakehouse-architect, data-quality-engineer, lineage-engineer, dbt-specialist all consume this architecture as truth.

What ships with it

Read from the repository

Just SKILL.md. No reference files, no scripts.