Use this skill when designing experiments, A/B tests, multi-armed bandits, randomized controlled trials, statistical hypothesis tests, sample size calculations, experiment design, power analysis, or causal inference for product changes. This skill enforces: rigorous experiment design with pre-registered hypotheses…
Use this skill when performing statistical analysis, hypothesis testing, regression analysis, time series forecasting, Bayesian inference, descriptive statistics, data exploration, or any general statistical modeling. This skill enforces: proper data exploration before modeling, assumption checking, effect size…
Use this skill when designing batch processing with Hive, Spark SQL, Pig, or HQL. This skill enforces: Hive metastore management, Spark SQL Catalyst optimization, file format selection (Parquet, ORC, Avro), partitioning and bucketing strategies, query tuning with statistics and dynamic partition pruning. Do NOT use…
Use this skill when asked about BI, dashboard, Metabase, Superset, Looker, Tableau, PowerBI, reporting, data visualization, business intelligence, KPI dashboards, semantic layer, embedded analytics, or LookML. This skill enforces: tool selection based on team size and use case, semantic layer design with…
Use this skill when asked about data API, Hasura, PostgREST, WunderGraph, GraphQL for data, REST API for data, instant API, database API, real-time API, data authorization, or data gateway. This skill enforces: Hasura GraphQL engine for auto-generated APIs from databases, PostgREST for REST APIs from PostgreSQL…
Use this skill when asked about data catalog, DataHub, Amundsen, Apache Atlas, OpenMetadata, metadata management, data discovery, business glossary, data lineage, data ownership, or column-level lineage. This skill enforces: metadata ingestion pipelines, column-level lineage tracking, business glossary management…
Use this skill when asked about data clean room, AWS Clean Rooms, Snowflake Clean Room, PSI, Private Set Intersection, privacy-preserving data join, data collaboration, secure multi-party computation, differential privacy, privacy-enhancing technologies, or PET. This skill enforces: clean room architecture with…
Use this skill when asked about data contract, data agreement, schema contract, producer/consumer contract, schema evolution, compatibility, data SLA, dbt contracts, or data product contract. This skill enforces: data contract definition with schema, semantics, SLA, and ownership, contract enforcement in CI/CD, schema…
Use this skill when asked about data cost optimization, Snowflake cost management, BigQuery slot management, S3 storage tiering, warehouse cost optimization, FinOps for data, cloud data cost reduction, or query cost analysis. This skill enforces: Snowflake credit usage analysis with query optimization, BigQuery slot…
Use this skill when asked about Apache Arrow, Parquet, Avro, ORC, Arrow Flight, columnar storage, row-oriented storage, compression, schema evolution, data file format, columnar vs row-oriented, file format comparison, or data serialization. This skill enforces: columnar format selection based on access patterns…
Use this skill when building or operating data lakes with Delta Lake, Apache Iceberg, or Apache Hudi. This skill enforces: table format selection, ACID transactions on object storage, time travel, schema evolution, compaction and vacuum, Z-order/Hilbert clustering, incremental queries, CDC with merge-on-read vs…
Use this skill when designing lakehouse architectures with medallion layers (bronze/silver/gold), Databricks Unity Catalog, Delta Sharing, Apache Paimon, or multi-cloud lakehouse. This skill enforces: medallion architecture layers and data flow, Unity Catalog metastore and RBAC, Delta Sharing for data mesh, Apache…
Use this skill when asked about data lineage, OpenLineage, Marquez, DataHub, column-level lineage, impact analysis, data provenance, data dependency tracking, or lineage graph models. This skill enforces: OpenLineage integration for standardized lineage collection, Marquez or DataHub deployment for lineage storage and…
Use this skill when asked about data mesh, data product, domain ownership, self-serve data platform, federated governance, data-as-a-product, compute-plane architecture, or data topology. This skill enforces: data mesh four principles (domain ownership, data as product, self-serve platform, federated governance), data…
Use this skill when designing relational or graph data models — 3NF, star schema, Data Vault, property graphs, RDF graphs, table inheritance, temporal tables, graph traversal patterns, knowledge graphs. This skill enforces: normalization 3NF by default, denormalization only when performance-proven, surrogate keys over…
Use this skill when designing data observability: data quality monitoring, data lineage, data profiling, anomaly detection, data health dashboards, freshness checks, row count tracking, schema drift detection, and data incident management. This skill enforces: monitoring all data pipeline stages, automated quality…
Use this skill when asked about data pipeline CI/CD, dbt Cloud CI/CD, SQLFluff, SQL linting, Atlantis for SQL, data pipeline testing, environment promotion, schema change management, dbt test, data quality in CI, dataops, or database change management. This skill enforces: dbt Cloud CI/CD with environment promotion…
Use this skill when designing end-to-end data platforms: data lake architecture, data lakehouse architecture, distributed storage (S3, ADLS, GCS), distributed compute (Spark, Trino, Presto), data catalog (Datahub, Amundsen, Marquez), data mesh, data versioning (LakeFS, DVC), data virtualization (Dremio, Starburst).…
Use this skill when asked about data quality, data validation, data profiling, Great Expectations, dbt tests, data observability, Soda, Monte Carlo, data contracts, schema validation, or data SLAs. This skill enforces: data quality dimensions (completeness, accuracy, timeliness, consistency, uniqueness, integrity)…
Use this skill when designing data strategy, data vision, data operating model, data culture, data maturity assessment, data ownership, or data governance roadmap. This skill enforces: maturity model assessment across people/process/tech/governance, vision and strategic pillar definition, operating model selection…
Use this skill when asked about data testing, dbt unit testing, data-diff, datafold, Soda, Great Expectations, data regression testing, data quality testing, data contract testing, or data validation automation. This skill enforces: dbt unit testing with dbt-unit-testing package, regression detection with data-diff…
Use this skill when asked about data versioning, DVC, LakeFS, data lineage, Git-like for data, data reproducibility, data branching, data diff, data snapshot, or experiment reproducibility. This skill enforces: DVC patterns for ML pipelines and data version control, LakeFS for Git-like semantics on data lakes…
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: