Robots.txt Deep Dive: What It Can and Cannot Do

Robots.txt is a plain text file located at the root of a host that controls crawling by instructing compliant bots which URLs to request. It acts as a polite request rather than a lock. Separately, Claude Code is an agentic coding tool designed to read codebases, edit files, and run commands. Unlike completion engines, it works across multiple files independently, requiring users to determine the appropriate level of unattended operation for their development tasks.