SkillsLib.ai

Analytics Documentation Generator

Auto-generate data dictionaries, lineage maps, and transformation docs from your analytics stack

0.0(0 reviews)
10+ downloads
Updated Nov 2026

What You Can Do

This skill automatically documents your entire analytics infrastructure by analyzing data sources, transformations, and outputs. You'll generate production-ready data dictionaries with field definitions, lineage maps showing data flow across systems, and transformation documentation that explains logic and dependencies. Save weeks of manual documentation work while keeping your analytics stack discoverable as it evolves.

Features

Data dictionary generation

automatically catalog all tables, fields, data types, and business definitions from your warehouse

Lineage mapping

trace data flow from source systems through transformations to final analytics outputs

Transformation documentation

auto-generate docs explaining ETL logic, filters, aggregations, and dependencies

Column-level metadata extraction

capture field descriptions, constraints, quality rules, and ownership

Impact analysis

identify downstream dependencies when source schemas or transformations change

Markdown export

generate version-control-friendly documentation that lives alongside your code

Platform integration templates

pre-built connectors for Snowflake, BigQuery, Redshift, dbt, and Fivetran

Business glossary generation

automatically organize and cross-reference business term definitions across your stack

Example Output

Example Data Dictionary Entry

Table: customers_fact Owner: Analytics Team Updated: 2026-07-30

ColumnTypeDescriptionBusiness Definition
customer_idINTUnique customer identifier (PK)Stable identifier for each customer
emailVARCHARCustomer email addressPrimary communication channel
lifetime_valueDECIMAL(12,2)Total customer spend (USD)Sum of all successful transactions

Example Lineage Map

code
salesforce_accounts → Fivetran → raw_salesforce → dbt models → 
  dim_accounts → Revenue Dashboard
          ↓
  fact_opportunities → Sales Pipeline Report

Example Transformation Doc

Transformation: stg_orders__deduplicated

  • Source: raw_orders table
  • Logic: Deduplicates orders by order_id, keeping latest updated_at timestamp
  • Dependencies: Runs after raw_orders is refreshed, upstream of fct_orders
  • Last updated: 2026-07-15
  • Owner: analytics@company.com

What's Included

  • SKILL.md: Complete analytics documentation generation workflow with decision trees
  • Data Dictionary Template: Structured markdown template for table and column documentation
  • Lineage Map Template: Mermaid-formatted data flow diagrams
  • Transformation Documentation Template: ETL logic and dependency tracking
  • Column Metadata Extraction Checklist: Step-by-step field cataloging guide
  • Platform Integration Guide: Connection setup for Snowflake, BigQuery, Redshift, dbt Cloud, and Fivetran
  • Schema Change Impact Analysis Workflow: Identify affected downstream transforms
  • Business Glossary Builder: Automated term extraction and cross-reference guide
  • Documentation Audit Checklist: Quality assurance for generated docs

Who It's For

  • Data Engineers building and maintaining ETL pipelines across multiple source systems
  • Analytics Engineers documenting dbt transformations and maintaining semantic layers
  • Data Analysts onboarding to new analytics environments or inheriting legacy systems
  • Data Governance Managers building metadata catalogs and compliance frameworks
  • Business Intelligence Developers creating self-service analytics platforms and BI portals

Best For

  • Documenting legacy analytics systems with missing or outdated metadata
  • Creating data dictionaries for compliance (HIPAA, GDPR, SOX audits)
  • Onboarding new team members to your analytics stack quickly
  • Building data governance and cataloging frameworks from scratch
  • Tracking schema changes and impact analysis across your entire data platform

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