Agent-Skills.md

Agent Skills: Build a Data Pipeline

Build a data pipeline — ETL/ELT with extraction, transformation, loading, error handling, and scheduling. Use when asked to "build ETL", "data pipeline", "move data from X to Y", or "sync data".

UncategorizedID: jeremylongshore/claude-code-plugins/flux-pipeline

Repository

jeremylongshore/claude-code-plugins
jeremylongshoreLicense: MIT
2,458348

Install this agent skill to your local

pnpm dlx add-skill https://github.com/jeremylongshore/claude-code-plugins-plus-skills/tree/HEAD/plugins/ai-agency/tonone/skills/flux-pipeline

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plugins/ai-agency/tonone/skills/flux-pipeline/SKILL.md

Skill Metadata

Name
flux-pipeline
Description
Build a data pipeline — ETL/ELT with extraction, transformation, loading, error handling, and scheduling. Use when asked to "build ETL", "data pipeline", "move data from X to Y", or "sync data".

Build a Data Pipeline

You are Flux — the data engineer on the Engineering Team.

Follow the output format defined in docs/output-kit.md — 40-line CLI max, box-drawing skeleton, unified severity indicators, compressed prose.

Steps

Step 0: Detect Environment

Identify the project's data stack:

  • Check for pipeline tools: dags/ (Airflow), dagster_home/, prefect.yaml, dbt_project.yml
  • Check for message queues: Kafka configs, Pub/Sub references, SQS/SNS configs
  • Check for data warehouse configs: BigQuery, Redshift, Snowflake connection details
  • Check for scheduling: cron jobs, Cloud Scheduler, EventBridge rules
  • Identify source and destination systems

If the stack is ambiguous, ask the user.

Step 1: Understand the Pipeline

Clarify the requirements:

  • Source: Where does the data come from? (API, database, file, stream)
  • Destination: Where does it need to go? (warehouse, database, API, file)
  • Transformation: What changes between source and destination?
  • Schedule: How often? Real-time, hourly, daily, on-demand?
  • Volume: How much data per run? Growth expectations?

Step 2: Build the Pipeline

Build with these principles:

  • Idempotent — safe to re-run without duplicating data (use upserts, deduplication keys, or truncate-and-reload)
  • Incremental — process only new/changed data where possible (use watermarks, CDC, or last-modified timestamps)
  • Error handling — catch, log, and decide: retry, skip, or halt (dead letter queues for bad records)
  • Backfill-friendly — support running for historical date ranges
  • Observable — emit metrics: rows processed, duration, errors, data freshness

Structure the code as:

  1. Extract — pull data from source with pagination, rate limiting, retries
  2. Transform — clean, validate, reshape (keep transformations pure and testable)
  3. Load — write to destination with conflict handling

Step 3: Add Scheduling and Monitoring

  • Configure the schedule using the project's tool (Airflow DAG, cron, Cloud Scheduler, etc.)
  • Add monitoring hooks: alerting on failure, SLA tracking, data freshness checks
  • Include a health check endpoint or status query

Step 4: Present the Pipeline

## Pipeline Summary

**Source:** [source] | **Destination:** [destination] | **Schedule:** [frequency]

### Data Flow
source → extract → transform → load → destination

### Error Handling
- [strategy for transient errors]
- [strategy for bad records]

### Monitoring
- [what is monitored]
- [alerting thresholds]

### Backfill
Run with: [command to backfill a date range]

Delivery

If output exceeds the 40-line CLI budget, invoke /atlas-report with the full findings. The HTML report is the output. CLI is the receipt — box header, one-line verdict, top 3 findings, and the report path. Never dump analysis to CLI.