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Guide parsing of Cassandra 5.0+ SSTable components (Data.db, Index.db, Statistics.db, Summary.db, TOC) with compression support (LZ4, Snappy, Deflate). Use when working with SSTable files, binary format parsing...
Implement and deserialize all CQL types including primitives (int, text, timestamp, uuid, varint, decimal), collections (list, set, map), tuples, UDTs (user-defined types), and frozen types. Use when working wi...
Expert guidance for designing, optimizing, and maintaining database schemas for SQL and NoSQL systems. Use when creating new databases, optimizing existing schemas, planning migrations, implementing security po...
Use when "data pipelines", "ETL", "data warehousing", "data lakes", or asking about "Airflow", "Spark", "dbt", "Snowflake", "BigQuery", "data modeling"
Use when "Polars", "fast dataframe", "lazy evaluation", "Arrow backend", or asking about "pandas alternative", "parallel dataframe", "large CSV processing", "ETL pipeline", "expression API"
Use when "Dask", "parallel computing", "distributed computing", "larger than memory", or asking about "parallel pandas", "parallel numpy", "out-of-core", "multi-file processing", "cluster computing", "lazy eval...
SQL and database best practices including query optimization, indexing, and schema design.
MongoDB best practices including schema design, indexing, and query optimization.
Create and manage database migrations with reversible up/down methods, zero-downtime deployment strategies, and proper schema versioning. Use this skill when creating database migration files, altering table sc...
Write optimized and secure database queries using parameterized queries, eager loading, strategic indexing, and proper transaction management. Use this skill when writing database queries, repository methods, o...
Plans and executes data migrations between systems, databases, and formats
Designs and implements Extract, Transform, Load pipelines for data processing
Analyzes and optimizes database queries for performance and efficiency
Standards Prisma et base de données. Use when "prisma", "database", "schema", "migration", "query".
Design, review, and evolve the TRR Backend 2025 database (Supabase/Postgres + RLS) including schema modeling, indexes, migrations, rollout plans, and S3 metadata patterns. Use when adding or changing tables, RL...
SQL Query Designer skill that generates optimized SQL queries from natural language requests and table schemas. Trigger terms: SQL, query, database, SELECT, JOIN, INSERT, UPDATE, DELETE, WHERE, GROUP BY, ORDER...
Compare friction pipeline outputs across different runs, thinking levels, or seeds. Use when comparing visa research results, checking variance across thinking levels (minimal/low/medium), analyzing fee discrep...
Optimizes PostgreSQL database performance for Supabase. Use when diagnosing slow queries, adding indexes, fixing RLS policies, or running performance audits. Triggers on "optimize database", "slow query", "add...
Field naming conventions for the Job Aggregator project. Use this skill when encountering type errors related to field names (camelCase vs snake_case), database constraint violations, or data mapping issues bet...
Phase 1 of Ontology Builder Pipeline. Ingests and catalogs all input materials from _input/ folder. Use when starting ontology building process or when processing new input documents for domain analysis.
Phase 4 of Ontology Builder Pipeline. Generates final Ontology artifacts (entity definitions, workflow catalog, concept guides) from DRD. Use after Phase 3 DRD is complete.
Phase 3 of Ontology Builder Pipeline. Synthesizes analysis results into complete Domain Requirement Document (DRD). Use after Phase 2 analysis is complete to generate structured DRD.
Expert-level guidance on data platform architecture, pipeline design patterns, and engineering rigor. Use this skill when designing new data platforms, reviewing complex DAGs, or establishing engineering standa...
Prisma schema conventions, migrations, and query patterns for TaxHelper. Use when modifying the database schema, writing complex queries, or optimizing database access.
The default order uses GitHub repository stars from our indexed data. Stars belong to the source repository and may be shared by multiple skills. They indicate repository interest, not skill installs or an independent quality score.