MCP server

captcha.cc Human Verification Official

cc.captcha/captchacc

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

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

Website Source

At a glance

Type

MCP server

Publisher

captcha.cc (verified by the MCP Registry)

Status

Working at last check

Tools

3

Token cost

About 484 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

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

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.captchacc]
url = "https://captcha.cc/mcp"

Gemini CLI

{"mcpServers":{"captchacc":{"httpUrl":"https://captcha.cc/mcp"}}}

Cursor

{"mcpServers":{"captchacc":{"url":"https://captcha.cc/mcp"}}}

VS Code

{"servers":{"captchacc":{"type":"http","url":"https://captcha.cc/mcp"}}}

Antigravity

agy mcp add captchacc https://captcha.cc/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"captchacc","server_url":"https://captcha.cc/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"captchacc","server_url":"https://captcha.cc/mcp"}

Tools

• create_challenge ~140 tokens
  Create a live captcha.cc challenge for a site key and allowed hostname. Useful for smoke tests and integration checks.
• make_siteverify_request ~118 tokens
  Return a server-side fetch example for redeeming a captcha.cc proof token exactly once.
• make_widget_snippet ~226 tokens
  Return a minimal browser SDK snippet for mounting captcha.cc and submitting the proof token to an application endpoint.

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  Scan any website or MCP server for agent readiness: 0-100 score, a fix per failing check. Free.
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  Read-only semantic search over Vedic scripture verses, commentaries, and recorded lectures.

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