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Claude Code argument handling differs from documentation

By PulseAugur Editorial · [1 sources] ·

A technical deep-dive explores how Claude Code handles arguments passed to its skills, revealing discrepancies between documentation and actual behavior. Through 12 test runs using a custom skill designed to echo its inputs, the author found that while `$ARGUMENTS` preserves raw input including quotes, positional arguments like `$0` and `$1` strip quotes and are split. Notably, missing positional arguments default to their literal text, and the `$HOME` token behaves unexpectedly by vanishing from positional slots while remaining in `$ARGUMENTS`. AI

IMPACT Clarifies the precise behavior of argument parsing in Claude Code, aiding developers in building more robust skills.

RANK_REASON Detailed technical analysis of a specific feature within a software product.

Read on dev.to — Claude Code tag →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Claude Code argument handling differs from documentation

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  1. dev.to — Claude Code tag TIER_1 English(EN) · Rulestack ·

    Claude Code skill arguments across 12 runs: what $ARGUMENTS, $0 and argument-hint actually put in the body

    <blockquote> <p>Across 12 <code>claude -p</code> runs on Claude Code 2.1.278, <code>$ARGUMENTS</code> always carried the raw string exactly as typed (quotes included), <code>$0</code>/<code>$1</code>/<code>$2</code> were split shell-style with quotes stripped, a missing positiona…

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