Consequently, most GitHub solutions do not rely on the official API. Instead, they use —tools like Puppeteer , Selenium , or Playwright . These scripts simulate a real human using a web browser: they log in with user credentials, navigate to the target group, type a message, upload media, and click "Post." Popular GitHub repositories for this purpose include variations of facebook-group-auto-poster , fb-auto-poster , and social-media-automation suites.
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Facebook explicitly forbids automated posting to Groups unless using their official Graph API (which requires Group admin approval and has severe rate limits). Consequently, most GitHub solutions do not rely on