Duckdb

Quality score: 70/100 · Category: Engineering · Sub-category: databases

lang:python

Fast in-process analytical database for SQL queries on DataFrames, CSV, Parquet, JSON files, and more. Use when user wants to perform SQL analytics on data files or Python DataFrames (pandas, Polars), run complex aggregations, joins, or window functions, or query external data sources without loading into memory. Best for analytical workloads, OLAP queries, and data exploration.

What this skill does

Duckdb is a production-ready Claude Code skill (quality score 70/100) in the databases sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/duckdb/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when user wants to perform SQL analytics on data files or Python DataFrames (pandas, Polars), run complex aggregations, joins, or window functions, or query external data sources without loading into memory. Best for analytical workloads, OLAP queries, and data exploration.

Who uses this skill

The Duckdb skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/duckdb
curl -L https://claudskills.com/skills/duckdb/SKILL.md \
  -o ~/.claude/skills/duckdb/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/duckdb/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/duckdb/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\duckdb\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

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Part of ClaudSkills — the open registry for Claude Code skills. · What's New · Install guide · About · llms.txt

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