captcha.cc Human Verification for Claude Code

cc.captcha/captchacc

Human verification CAPTCHA with visual and selective-listening audio challenges.

client:Claude Code transport:streamable-http tools:3

Install captcha.cc Human Verification in Claude Code

run in your project directory

claude mcp add --transport http captchacc https://captcha.cc/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs