Creating Openlineage Extractors

Warehouse Init

astronomer

Discovers data warehouse schema metadata and generates a shareable .astro/warehouse.md reference file for fast concept-to-table lookups.

Tracing Upstream Lineage

astronomer

Trace upstream data lineage. Use when the user asks where data comes from, what feeds a table, upstream dependencies, data sources, or needs to understand data origins.

Tracing Downstream Lineage

astronomer

Traces downstream data lineage to assess what breaks when a table or DAG changes.

Testing Dags

astronomer

Guides iterative testing, debugging and fixing of Airflow DAGs using af CLI commands.

Setting Up Astro Project

astronomer

Initializes and configures Astro/Airflow projects with the Astro CLI, covering dependencies, connections, and variables.

Profiling Tables

astronomer

Profiles a database table with SQL statistics, cardinality, samples and a data quality assessment.

Writing Plans

obra

Use when you have a spec or requirements for a multi-step task, before touching code

Verification Before Completion

obra

Forces running fresh verification commands and reading their output before claiming work is complete, fixed, or passing.

Using Git Worktrees

obra

Sets up an isolated git worktree workspace for feature work, then runs project setup and baseline tests.

Requesting Code Review

obra

Dispatches a code reviewer subagent with crafted context to catch issues before they cascade.

Receiving Code Review

obra

Guides agents receiving code review feedback: verify suggestions, clarify unclear items, push back with technical reasoning, implement fixes one at a time.

Finishing A Development Branch

obra

Guides an agent through finishing a completed development branch: verify tests, choose merge, PR or keep, then clean up.