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DuckDB CLI specialist for SQL analysis, data processing and file conversion.
Passed 24 of 24 test cases with the skill, and 22 of 24 without it.
2 fixed22 passed either way0 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
The instructions your model reads when the skill loads.
Helps with data analysis, SQL queries and file conversion via DuckDB CLI.
# CSV
duckdb -c "SELECT * FROM 'data.csv' LIMIT 10"
# Parquet
duckdb -c "SELECT * FROM 'data.parquet'"
# Multiple files with glob
duckdb -c "SELECT * FROM read_parquet('logs/*.parquet')"
# JSON
duckdb -c "SELECT * FROM read_json_auto('data.json')"
# Create/open database
duckdb my_database.duckdb
# Read-only mode
duckdb -readonly existing.duckdb
| Flag | Format |
|---|---|
-csv | Comma-separated |
-json | JSON array |
-table | ASCII table |
-markdown | Markdown table |
-html | HTML table |
test cases passed, vs 22 / 24 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.