Astronomer Skills
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functional-tests
astronomer/.agents/skills/functional-tests
Use when writing, editing, reviewing, or running functional (end-to-end) tests for the Astronomer APC repository. Covers scenario setup, testinfra patterns,…
helm-chart
astronomer/.agents/skills/helm-chart
Use for Helm chart work - creating charts, modifying existing charts, values design, testing. For the Astronomer APC repository, see docs/architecture.md for…
init
agents/skills/init
Initialize warehouse schema discovery. Generates .astro/warehouse.md with all table metadata for instant lookups. Run once per project, refresh when schema…
initializing-warehouse
agents/skills/initializing-warehouse
Initialize warehouse schema discovery. Generates .astro/warehouse.md with all table metadata for instant lookups. Run once per project, refresh when schema…
magpie-setup
airflow/.agents/skills/magpie-setup
Adopt and maintain the apache-magpie framework in a project repo via the snapshot-based adoption mechanism. The only framework skill committed in an adopter's…
managing-astro-deployments
agents/skills/managing-astro-deployments
Manage Astronomer production deployments with Astro CLI. Use when the user wants to authenticate, switch workspaces, create/update/delete deployments, or…
managing-astro-local-env
agents/skills/managing-astro-local-env
Manage local Airflow development environment with Astro CLI commands. Start, stop, restart, and kill local Airflow containers; default credentials are admin/admin with webserver at http://localhost:8080 View logs for all components or specific services (scheduler, webserver) with real-time follow option Access container shells and run Airflow CLI commands directly via astro dev bash and astro dev run Troubleshoot common issues including port conflicts, startup failures, package errors, and...
migrating-ai-sdk-to-common-ai
agents/skills/migrating-ai-sdk-to-common-ai
Migrates Airflow projects from airflow-ai-sdk to apache-airflow-providers-common-ai 0.1.0+. Use this skill when the user wants to replace airflow-ai-sdk with…
migrating-airflow-2-to-3
agents/skills/migrating-airflow-2-to-3
Automated detection and code migration for upgrading Apache Airflow 2.x DAGs to Airflow 3.x. Provides Ruff-based auto-fix rules (AIR30/AIR301/AIR302/AIR31/AIR311/AIR312) to detect and resolve breaking changes in imports, operators, hooks, and context variables Covers critical architecture shifts: workers no longer access metadata DB directly; use the Airflow Python client or REST API instead of ORM session queries Includes manual migration checklist for issues Ruff cannot auto-fix: cron...
migrating-dagster-to-airflow
agents/skills/migrating-dagster-to-airflow
Guide for migrating Dagster projects to Apache Airflow 3 on Astro. Use when the user mentions migrating, converting, or porting Dagster (or Dagster+) code to…
prepare-providers-documentation
airflow/.agents/skills/prepare-providers-documentation
Replace the manual commit-by-commit classification step in `breeze release-management prepare-provider-documentation` with AI-driven classification. For each…
profiling-tables
agents/skills/profiling-tables
Comprehensive statistical and quality analysis of database tables with structured profiling output. Generates column-level statistics tailored to data type: min/max/percentiles for numeric columns, length metrics for strings, date ranges for timestamps Performs cardinality analysis to identify categorical vs. high-cardinality columns and detect skewed distributions Assesses data quality across five dimensions: completeness (NULL rates), uniqueness (duplicates), freshness (update timestamps),...
setting-up-astro-project
agents/skills/setting-up-astro-project
Initialize and configure Astro/Airflow projects with dependencies, connections, and environment setup. Scaffolds complete project structure with astro dev init , including directories for DAGs, plugins, tests, and configuration files Manage Python and OS-level dependencies via requirements.txt and packages.txt , with custom Dockerfile support for complex setups Configure connections, variables, and pools declaratively in airflow_settings.yaml , with export/import commands for environment...
testing-dags
agents/skills/testing-dags
Iterative test-debug-fix cycles for Airflow DAGs with comprehensive failure diagnosis. Start with af runs trigger-wait <dag_id> to run a DAG and wait for completion; no pre-flight checks needed On failure, use af runs diagnose for comprehensive failure summary and af tasks logs to inspect error details from specific tasks Supports custom configuration, timeouts, and retry attempts; handles success, failure, and timeout scenarios with clear response interpretation Quick validation available...
tools
astronomer/.agents/skills/tools
Use when writing, editing, or reviewing command-line tools and helper scripts in this repo (things in bin/). Covers where tools live, argument parsing with…
tracing-downstream-lineage
agents/skills/tracing-downstream-lineage
Trace downstream data lineage to assess change impact before modifying tables or DAGs. Identifies direct consumers of a target table or DAG through source code search, view dependencies, and BI tool connections Builds a full dependency tree mapping all downstream impacts, from tables to dashboards to ML models Categorizes dependencies by criticality (critical, high, medium, low) to prioritize stakeholder communication and testing Generates an impact report with risk assessment, affected...
tracing-upstream-lineage
agents/skills/tracing-upstream-lineage
Trace upstream data lineage to identify sources, DAGs, and dependencies feeding a table or column. Supports tracing three target types: tables, columns, and DAGs; uses Airflow DAG source code and task inspection to find producing pipelines Handles SQL sources (FROM clauses), external systems (S3, Postgres, Salesforce, HTTP APIs), and file-based sources; recursively traces upstream chains Includes column-level tracing through direct mappings, transformations, and aggregations in DAG code...
troubleshooting-astro-deployments
agents/skills/troubleshooting-astro-deployments
Troubleshoot Astronomer production deployments with Astro CLI. Use when investigating deployment issues, viewing production logs, analyzing failures, or…
upgrade-fab-provider
airflow/.agents/skills/upgrade-fab-provider
Upgrade the pinned Flask-AppBuilder (FAB) dependency in the Apache Airflow FAB provider (`providers/fab/`). Bumps the exact `flask-appbuilder==` pin and its…
warehouse-init
agents/skills/warehouse-init
Initialize warehouse schema discovery. Generates .astro/warehouse.md with all table metadata for instant lookups. Run once per project, refresh when schema…