captcha.cc Human Verification

cc.captcha/captchacc

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

Uptime

100.0%

5 direct probes · 30d

Response

366ms

last probe

Tools

callable

Resources

readable

Prompts

available

Primary URL

Score: 100/100

Handshake verified by our own probe.

why this score

pass Answers the MCP handshake 50/50

The handshake and the list calls succeeded on the primary URL.

pass Lists tools, resources or prompts 30/30

3 tools, 1 resources, 0 prompts returned.

pass 3 or more catalogue items 10/10

4 items in total; 3 or more earns these points.

pass Describes itself 10/10

80 characters; more than 30 earns these points.

Tools · 3

make_widget_snippet

Return a minimal browser SDK snippet for mounting captcha.cc and submitting the proof token to an application endpoint.

make_siteverify_request

Return a server-side fetch example for redeeming a captcha.cc proof token exactly once.

create_challenge

Create a live captcha.cc challenge for a site key and allowed hostname. Useful for smoke tests and integration checks.

knowledge

How to integrate captcha.cc browser challenges, audio challenges, and one-time server proof redemption.

captchacc://knowledge

Add to your Claude Desktop / Cursor / Cline MCP config:

{
  "mcpServers": {
    "captcha.cc_human_verification": {
      "url": "https://captcha.cc/mcp",
      "transport": "streamable-http"
    }
  }
}