C4ai Check — Testing skill for Claude Code
Test current changes with adversarial tests, then run full regression suite.
How to install C4ai Check
Installs to ~/.claude/commands/calasdan-sketch-crawl4ai-c4ai-check.md
mkdir -p ~/.claude/commands && curl -fsSL https://raw.githubusercontent.com/calasdan-sketch/crawl4ai/HEAD/.claude/commands/c4ai-check.md -o ~/.claude/commands/calasdan-sketch-crawl4ai-c4ai-check.md Restart Claude Code, or start a new session, for it to be picked up.
What C4ai Check does
description: "Test current changes with adversarial tests, then run full regression suite" arguments:
- name: changes description: "Description of what changed (e.g. 'fixed URL normalization to preserve trailing slashes')" required: true
Crawl4AI Change Verification (c4ai-check)
You are verifying that recent code changes work correctly AND haven't broken anything else. This is a two-phase process.
**Input:** $ARGUMENTS
PHASE 1: Adversarial Testing of Current Changes
B
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Full documentation available on GitHub
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