# captcha.cc Human Verification MCP server

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

## Links
- Registry page: https://www.getdrio.com/mcp/cc-captcha-captchacc
- Repository: https://github.com/earonesty/captcha
- Website: https://captcha.cc/docs/mcp

## Install
- Endpoint: https://captcha.cc/mcp
- Auth: Not captured

## Setup notes
- Remote endpoint: https://captcha.cc/mcp

## Tools
- make_widget_snippet (Make Widget Snippet) - Return a minimal browser SDK snippet for mounting captcha.cc and submitting the proof token to an application endpoint. Endpoint: https://captcha.cc/mcp
- make_siteverify_request (Make Siteverify Request) - Return a server-side fetch example for redeeming a captcha.cc proof token exactly once. Endpoint: https://captcha.cc/mcp
- create_challenge (Create Challenge) - Create a live captcha.cc challenge for a site key and allowed hostname. Useful for smoke tests and integration checks. Endpoint: https://captcha.cc/mcp

## Resources
- captchacc://knowledge - captcha.cc Knowledge How to integrate captcha.cc browser challenges, audio challenges, and one-time server proof redemption. MIME type: text/markdown

## Prompts
Not captured

## Metadata
- Owner: cc.captcha
- Version: 1.0.0
- Runtime: Streamable Http
- Transports: HTTP
- License: Not captured
- Language: Not captured
- Stars: Not captured
- Updated: Apr 13, 2026
- Source: https://registry.modelcontextprotocol.io