LaunchKit · 2026
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capmonster

Solve CAPTCHAs (reCAPTCHA v2/v3, hCaptcha, Cloudflare Turnstile, image CAPTCHAs) using CapMonster Cloud API.

0
481 downloads
by @easonc13

Setup & Installation

openclaw skills install @easonc13/capmonster

Or with the ClawHub CLI, for registry-managed skill folders outside a full OpenClaw workspace:

npx clawhub install capmonster

What This Skill Does

Solves CAPTCHAs programmatically via the CapMonster Cloud API during browser automation. Supports reCAPTCHA v2/v3, hCaptcha, Cloudflare Turnstile, and image CAPTCHAs. Handles task creation, polling, and token injection into pages.

CapMonster Cloud returns solved tokens in seconds at low cost, avoiding the need to run local CAPTCHA-solving models or maintain browser farms.

When to use it

  • Bypassing reCAPTCHA v2 during automated form submissions
  • Unblocking Google Scholar scraping when unusual traffic is detected
  • Solving hCaptcha challenges in headless browser workflows
  • Automating login flows that require Cloudflare Turnstile verification
  • Reading text from image CAPTCHAs during legacy site scraping

Example Workflow

Here's how your AI assistant might use this skill in practice.

INPUT

User asks: solve the reCAPTCHA on https://example.com and submit the form

AGENT
  1. 1Evaluate the page to detect CAPTCHA type and extract the sitekey from data-sitekey or iframe src
  2. 2Submit a createTask request to the CapMonster API with the website URL and sitekey
  3. 3Poll getTaskResult every 2 seconds until status is ready and a token is returned
  4. 4Inject the token into the g-recaptcha-response textarea and trigger the grecaptcha callback
  5. 5Click the submit button or call form.submit() to complete the form
OUTPUT

Form submitted successfully with a valid CAPTCHA token injected before expiry

Requirements

Accounts, API keys, or tools you or your AI assistant may need to set up while using this skill.

CAPMONSTER_API_KEY environment variableCapMonster Cloud account with account balance