Read any data file (CSV, JSON, Parquet, Avro, Excel, spatial, SQLite) or remote URL (S3, HTTPS). Use when user references a data file, asks "what's in this file", or wants to preview/profile a dataset. Not for source code.
Install
npx skills add duckdb/duckdb-skills --skill read-filenpx skills add duckdb/duckdb-skills --skill read-file -a claude-code -gnpx skills add duckdb/duckdb-skills --skill read-file -a codex -ggemini skills install https://github.com/duckdb/duckdb-skills.git --path skills/read-filegh skill install duckdb/duckdb-skills read-filegit clone --depth 1 https://github.com/duckdb/duckdb-skills /tmp/duckdb__duckdb-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/duckdb__duckdb-skills/skills/read-file ~/.claude/skills/read-file # Claude Code
cp -R /tmp/duckdb__duckdb-skills/skills/read-file ~/.agents/skills/read-file # Codex, Cursor, Gemini CLI, Copilot, OpenCode