Trending Skills
The hottest skills gaining momentum in the community right now.
data-engineering-storage-authentication
by legout
"Cloud storage authentication patterns: AWS, GCP, Azure credentials, IAM roles, service principals, secret management, and secure credential handling for data pipelines."
data-engineering-storage-remote-access-libraries-obstore
by legout
"High-performance Rust-based remote filesystem library. Covers store creation, basic operations, async API, streaming uploads, Arrow integration, and fsspec compatibility wrapper."
data-engineering-storage-remote-access-integrations-delta-lake
by legout
"Delta Lake integration with cloud storage (S3, GCS, Azure). Covers storage_options, PyArrow filesystem, time travel, and partitioned writes."
data-engineering-storage-remote-access-libraries-pyarrow-fs
by legout
"Native Arrow filesystem integration with PyArrow. Optimized for Parquet workflows, zero-copy data transfer, predicate pushdown, and column pruning. Covers S3, GCS, HDFS with PyArrow datasets."
data-engineering-storage-remote-access-libraries-fsspec
by legout
"Comprehensive guide to fsspec: the universal filesystem interface for Python. Covers S3, GCS, Azure via s3fs, gcsfs, adlfs; protocol chaining, caching, async operations, and integration with the data ecosystem."
data-engineering-storage-remote-access-integrations-pyarrow
by legout
"Using PyArrow's parquet and dataset modules with remote filesystems (S3, GCS, Azure). Covers native filesystems, fsspec bridge, and obstore wrapper."
ogt-docs-define
by OpenDNDApps
General guide for creating definition documents. Use when you need to define WHAT something IS - concepts, entities, systems, or domains. Routes to specialized sub-skills for specific definition types (business, features, code, marketing, branding, tools).
data-engineering-core
by legout
"Core Python data engineering: Polars, DuckDB, PyArrow, PostgreSQL, ETL patterns, performance tuning, and resilient pipeline construction. Use when building or reviewing batch ETL/dataframe/SQL pipelines in Python."
data-engineering-quality
by legout
"Data quality testing and validation with Great Expectations and Pandera. Schema validation, data quality tests, profiling, and automated validation in pipelines."
data-engineering-storage-lakehouse
by legout
"Lakehouse table formats: Delta Lake, Apache Iceberg, and Apache Hudi for ACID transactions, schema evolution, and time travel on data lakes."
data-engineering-ai-ml
by legout
"AI/ML data pipelines: embedding generation, vector databases, RAG patterns, LLM monitoring, and batch inference workflows."
ogt-docs-rules-git
by OpenDNDApps
Define and manage Git workflow rules in docs/rules/git/. Use when establishing commit message formats, branch naming conventions, PR requirements, code review standards, or any Git-related enforceable rules.
data-engineering-catalogs
by legout
"Data catalogs: Iceberg catalogs (Hive Metastore, AWS Glue, Tabular), using DuckDB as a lightweight multi-source catalog, comparisons of Amundsen/DataHub/OpenMetadata, and patterns for unified data access."
ogt-docs-define-feature
by OpenDNDApps
Create feature definition documents with phased delivery, MVP scope, and definition of done. Use when specifying new product features, user-facing capabilities, or system enhancements that require planning and incremental delivery.
ogt-docs-rules-code
by OpenDNDApps
Define and manage coding standards in docs/rules/code/. Use when creating TypeScript rules, naming conventions, error handling patterns, architecture standards, or any code-related enforceable rules.
ogt-docs-audit
by OpenDNDApps
Run audits on documentation and project health. Routes to specialized audit sub-skills for tasks, definitions, rules, and codebase consistency. Use when reviewing project health, validating documentation, or checking for drift.
ogt-docs-define-branding
by OpenDNDApps
Create brand definition documents covering visual identity, tone of voice, brand guidelines, and brand assets. Use when establishing or documenting brand identity and ensuring consistent brand expression.
ogt-cli-copilot
by OpenDNDApps
Run GitHub Copilot CLI for code generation, repository analysis, and development tasks. GitHub OAuth integrated. Use for quick coding tasks, context-aware completions, and repository-wide insights. Preferred for load balancing sub-agent work (30% weight).
ogt-docs
by OpenDNDApps
Documentation-as-Source-of-Truth workflow. Use when working with projects that use docs/ as the canonical source for definitions, rules, and tasks. Routes to specialized sub-skills for specific documentation types.
ogt-docs-define-tools
by OpenDNDApps
Document project tools and CLI utilities in docs/define/tools/. Use when documenting internal CLIs, scripts, development tools, or third-party integrations that team members need to understand and use.
ogt-docs-define-code
by OpenDNDApps
Create technical architecture definitions covering services, data models, APIs, and system components. Use when defining HOW systems work at a technical level - interfaces, contracts, data flow, and architectural decisions.
ogt-docs-rules-code-infra
by OpenDNDApps
Define and manage infrastructure coding standards in docs/rules/code/infra/. Use when creating Docker rules, CI/CD patterns, deployment standards, environment configuration, or any infrastructure-as-code rules.
ogt-docs-create-social
by OpenDNDApps
Create social media and marketing content in docs/content/social/. Use when drafting tweets, blog posts, release announcements, newsletter content, or any public-facing communications.
ogt-agent-team
by OpenDNDApps
Spawn a Team Leader agent that manages multiple sub-agents working toward a common goal. Team Leader reads requirements, decomposes work, assigns personalities and tasks, manages communication between team members, tracks progress, and reports results following ogt-docs task workflow. Integrates fully with docs-first system via task signals and status tracking.