Databases · Data pipelines and ETL

Stands up a throwaway local SQL Server 2022 backend, applies SQL fixtures and runs Airbyte spec, check, discover and read against source-mssql images.

airbytehq/airbyte

Stands up a throwaway local MySQL 8.0 backend, applies SQL fixtures and sweeps the Airbyte spec, check, discover and read commands against a source-mysql image.

airbytehq/airbyte

ClickHouse database patterns, query optimization, analytics, and data engineering best practices for high-performance analytical workloads.

hellangleZ/burn-in-cceverywhere-ralph

Runs the Airbyte protocol sweep for a source-snowflake image against the shared Snowflake integration account, in an isolated per-run schema.

airbytehq/airbyte

Friendly, step-by-step setup for ERD Studio in an existing dbt project, for people who may be new to dbt or data modelling.

liam-machine/erd-studio

Queries the data warehouse with SQL and answers business questions about data.

astronomer/agents

Turns a Tushare API doc URL into a full data plugin for the stock_datasource repo: extractor, ClickHouse schema, query service, config and curl examples.

Yourdaylight/stock_datasource

Reproduces MySQL binlog change-data-capture behavior for the Airbyte source-mysql connector on a local MySQL backend, with fixtures, a catalog and smoke cases.

airbytehq/airbyte

Build, validate, and manage semantic models using Sidemantic.

sidequery/sidemantic

Reproduces PostgreSQL logical-decoding CDC behavior for Airbyte's source-postgres connector on a local backend, with CDC fixtures, a catalog and smoke case scripts.

airbytehq/airbyte

Comprehensive guide for Go database access — parameterized queries, struct scanning, NULLable columns, transactions, isolation levels, SELECT FOR UPDATE, connection pool, batch processing, context…

unxed/f4

Create a new Whirl environment in the envs/ directory. An agent skill from godatadriven/whirl.

godatadriven/whirl

Sets up Dinobase, a local DuckDB database that syncs data from 100+ business sources, then answers questions across them with SQL joins and previewed write-backs.

kappa90/dinobase

Design database schemas with Prisma/Drizzle, PostgreSQL index strategy (B-tree, GIN, GiST, BRIN, Hash), query optimization (EXPLAIN ANALYZE), migration safety (expand/contract, zero-downtime), and…

EliasOulkadi/shokunin

Helps choose an incremental strategy, design a reliable unique_key and debug failing dbt incremental models, and says when a plain table is the better choice.

AltimateAI/data-engineering-skills

Analytics engineering across data modeling, dbt, transformation, and semantic layers.

borghei/Claude-Skills

Rules for writing Tinybird datasources, pipes, endpoints and materialized views, with SQL constraints, optimization habits and deduplication patterns.

TryGhost/Ghost

ClickHouse database patterns, query optimization, analytics, and data engineering best practices for high-performance analytical workloads.

affaan-m/ECC

Comprehensive toolkit for developing with the CocoIndex library.

davila7/claude-code-templates

Analyze DBSQL queries, including SQL embedded in notebooks (spark.sql(...), %sql cells), for anti-patterns, lint issues, and performance problems, using Databricks-specific dialect and platform…

AltimateAI/data-engineering-skills

Authoring a new POC under examples/playground/pocs/. An agent skill from rocky-data/rocky.

rocky-data/rocky

Run large-scale batch NER, PII extraction, or de-identification over many clinical notes on-device with OpenMed, with sharding, checkpointing, resumability, and append-only JSONL output.

maziyarpanahi/openmed

Generates SQL validation notebooks for dbt PR changes with before/after comparison queries.

sickn33/agentic-awesome-skills

Optimizes Snowflake query performance using query ID from history.

AltimateAI/data-engineering-skills

Comprehensive Snowflake development assistant covering SQL best practices, data pipeline design (Dynamic Tables, Streams, Tasks, Snowpipe), Cortex AI functions, Cortex Agents, Snowpark Python, dbt…

sickn33/agentic-awesome-skills

Provide a lookup index of dbt models (BigQuery tables) to guide query writing against a data warehouse.

warpdotdev/oz-skills

Chief Data Officer advisory for startups: AI training data rights and consent provenance, data product strategy (warehouse vs lakehouse vs mesh, build-vs-buy), B2B customer-data-as-asset valuation…

alirezarezvani/claude-skills

A skill your agent uses when writing Snowflake SQL, building data pipelines with Dynamic Tables or Streams/Tasks, using Cortex AI functions, creating Cortex Agents, writing Snowpark Python…

alirezarezvani/claude-skills

Build reusable revenue models — MRR, ARR, gross revenue, new/expansion/contraction/churn, ARPU, LTV, and per-customer/per-account revenue — on either PostHog data-warehouse views (HogQL) or an…

PostHog/posthog

Expert database administrator specializing in modern cloud databases, automation, and reliability engineering.

aiskillstore/marketplace

Running experiments out of the data warehouse instead of via dedicated experiment platforms.

rampstackco/claude-skills

Build reusable activation models — an activation-rate metric and a per-user/per-account activated flag — on either PostHog data-warehouse views (HogQL) or an external dbt project.

PostHog/posthog

Build reusable conversion models — funnel/step conversion rates, drop-off, and time-to-convert — on either PostHog data-warehouse views (HogQL) or an external dbt project.

PostHog/posthog

Build reusable dimension / lookup tables for a star schema — country/region, timezone, currency, date, plan/product, and other descriptive attributes — on either PostHog data-warehouse views (HogQL)…

PostHog/posthog

Build reusable product-usage and engagement models — retention, stickiness, and lifecycle — on either PostHog data-warehouse views (HogQL) or an external dbt project.

PostHog/posthog

Shared foundations for building reusable data models in PostHog, on either of two stacks: PostHog-native data-warehouse views / materialized views (HogQL, via the view- MCP tools), or an external…

PostHog/posthog

Initialize warehouse schema discovery. An agent skill from astronomer/agents.

astronomer/agents

Populate person or group properties from a data warehouse table or materialized view, so warehouse columns become properties usable in feature flags, cohorts, and insights.

PostHog/posthog

Define implementation contracts (APIs and data models) that developers will build against during PRD v0.6 Architecture.

mattgierhart/PRD-driven-context-engineering

Persists task and asset state across retries and DAG runs using Airflow 3.3's AIP-103 key/value stores (taskstatestore, assetstatestore) and the crash-safe ResumableJobMixin.

astronomer/agents

A skill your agent uses when building Query Reports, Script Reports, or configuring Report Builder, including chart data integration.

Impertio-Studio/Frappe_Claude_Skill_Package

Optimizes Snowflake SQL query performance from provided query text.

AltimateAI/data-engineering-skills

Guard production Databricks data pipelines — Delta Lake, Liquid Clustering, Structured Streaming, Auto Loader, and DLT — against the twelve foot-guns that fire at scale: OPTIMIZE/auto-compaction…

jeremylongshore/tons-of-skills-marketplace

Database development and operations workflow covering SQL, NoSQL, database design, migrations, optimization, and data engineering.

aiskillstore/marketplace

A Data Engineering interviewer focused on database performance.

PrepLabsAI/InterviewMentor

A skill your agent uses when starting empirical analysis, creating a data pipeline, generating results, or when data or model specifications change.

brycewang-stanford/Auto-Empirical-Research-Skills

Design data systems by understanding storage engines, replication, partitioning, transactions, and consistency models.

wondelai/skills

The olm:v5 migration script, UpdateTagsService, batch processing, migratedat, ClassifyTagsService deprecated mappings, and data migration from v4 category tables.

OpenLitterMap/openlittermap-web