data-clean
Clean a CSV/TSV/Excel file - fix headers, trim whitespace, remove duplicates, validate
Browse reusable Agent Skills, each with a clear purpose and practical guidance.
Clean a CSV/TSV/Excel file - fix headers, trim whitespace, remove duplicates, validate
Convert between CSV, TSV, Excel, JSONL, Parquet, and other tabular formats
Generate AI-powered Data Dictionary, Description, and Tags for a CSV/TSV/Excel file
Profile a CSV/TSV/Excel file - detect format, compute statistics, show value distributions
Quality dimensions quick reference and remediation decision tree for tabular data assessment
Infer a semantic ontology from all files in the working directory - entities, attributes, relationships, domain taxonomy, and cross-file join paths. Outputs ONTOLOGY.md.
Machine-readable journal format for reproducible data analysis operations
Build a Visual Data Dictionary — an interactive qsv viz smart dashboard driven by an LLM-inferred JSON Schema data dictionary, with the dictionary browsable beside the charts. Use when the user asks for a visual data dictionary, a documented dashboard, a dictionary-driven dashboard, or wants to explore and document a CSV at the same time. Optionally bins rows into GeoJSON regions.