Anti Bot GitHub Repositories (2026) · Open Source Tools

Self-hosted scraping engine — bypasses any JS challenge & captcha: Cloudflare, Turnstile, reCAPTCHA, hCaptcha, GeeTest. FlareSolverr & Byparr alternative and drop-in replacement for your *arr stack.

Web fetch, search, and crawl for AI agents. Built from scratch in Rust. No keys, no accounts. AGPL v3.

Open-source IDS/IPS, WAF and bot detection for Linux, Windows, Docker and Kubernetes, with a crowdsourced blocklist of malicious IPs.

This is a lightweight, headless browser purpose-built for AI agents (such as Codex or Claude Code) to perform browser automation tasks; it is designed to navigate through various web protection systems, login processes, and reverse-engineering scenarios

Self-hosted, invisible CAPTCHA that detects AI agents driving real browsers. GDPR, WCAG 2.2 AA, and EAA: no cookies, no third-party data sharing, and no visual or audio puzzle. With a false-positive budget enforced in CI. Proof of work, drop-in for Turnstile and reCAPTCHA.

Stealth headless browser for AI agents — bypass Cloudflare, bot detection, and anti-scraping. Drop-in Puppeteer/Playwright replacement.

Puppeteer for Python that anti-bots cannot see, so no captchas: same API, anti-detect stealth headless Firefox, undetected fingerprint, bypass bot detection, web scraping and browser automation.

Bypass the Cloudflare challenge (Just a moment / 5s) in Python and get a valid cf_clearance cookie via the Peak API - headless-friendly, proxy-aware.

Cloudflare Turnstile challenge internals: the live request flow, the challenge bundle, and a capture toolkit.