Zero‑config client bot detector that sets an 'isbot' cookie.
botd is a browser library for JavaScript bot detection
Stealth Chromium that passes every bot detection test. Drop-in Playwright/Puppeteer replacement with source-level fingerprint patches.
A lightweight browser fingerprinting and bot detection library with encryption, obfuscation, and cross-context validation
impit-based HTTP client implementation for Crawlee. Impersonates browser requests to avoid bot detection.
Node.js/TypeScript HTTP client with browser TLS fingerprint impersonation (JA3/JA4). Bypass Cloudflare and anti-bot detection. Rust-powered, fetch()-compatible.
Invisible bot detection & human verification — the best security is the security you never notice
AI SEO, bot detection, and blocking middleware for Next.js applications
Framework-agnostic primitives for AEO infrastructure: content negotiation, AI-bot detection, markdown response, token estimation, composition helpers.
CrawlGuard AI bot detection for Next.js - one-line integration
Core AI SEO, bot detection, and blocking for Spyglasses JavaScript-based plugins.
Secure storage with behavioral bot detection and AES-256 encryption.
Enterprise-grade browser fingerprinting with 19 collectors and advanced bot detection
Anomira browser-side fingerprinting, bot detection, and form guard SDK
botd is a browser library for JavaScript bot detection
CloudFlare Radar verified bots directory - 500+ web crawlers, search engine bots, and user agents as JSON for bot detection and traffic filtering
BotSigged SDK - Real-time bot detection via WebSocket
React hooks and components for bot detection using behavioral analysis and honeypot fields
AI bot detection middleware for Next.js — works on any host
Web Decoy SDK for Node.js - Bot detection with TLS fingerprinting
Accessible spam defence for React forms - client-side, WCAG 2.2 AA compliant bot detection
Detects bots client-side using FingerprintJS BotD and attaches the result as a context entity.
CrawlGuard AI bot detection - Core JS/TS SDK
Bot detection module for Lock security framework
Download YouTube audio, subtitles, and thumbnails
A Rust library for headless Chrome automation and web scraping
CLI for bunny.net cloud and edge services
Web access for LLM agents. One static binary. No Chrome.
JavaScript scripting agent for Sentinel reverse proxy - embed custom JS logic
Stdio MCP server exposing voidcrawl stealth headless Chrome to Claude Code and other MCP clients
Download Windows 10 and Windows 11 ISOs directly from Microsoft
Checks a user agent for a web crawler
Voight-Kampff detects bots, spiders, crawlers and replicants
CrawlerDetect is a library to detect bots/crawlers via the user agent
is_crawler does exactly what you might think it does: determine if the supplied string matches a known crawler or bot.
Connect with shield square bot detection API
A simple library for detecting bots/crawlers/spiders through User-Agent strings
Detect and verify select (i.e. Google and Yandex) search bots.
Track requests and manage IP reputation through Redis/Dragonfly integration with Reputable
Used to assess requests with DataDome Protection API.
Rails Security Shield is a comprehensive, Rails-native security engine designed to provide multi-layered protection for modern web applications. It actively defends against common threats by integrating a powerful Web Application Firewall (WAF) to block attacks like SQLi and XSS, an advanced bot detection system using JavaScript challenges and honeypots, and robust account takeover prevention to stop brute-force and credential stuffing attacks. Built as a mountable Rails Engine, it leverages core framework features like ActiveJob and Rails.cache to ensure high performance and minimal external dependencies. It includes a real-time dashboard for monitoring security events, giving you immediate insight into the threats your application faces. Drop it in, configure it, and get enterprise-grade security that feels like a natural extension of Rails.
Inspects the user agent for you and allows you to take action based on the users browser, if it is a detectable bot with one-line-helpers.
SpamDetection is a detection bot made by OpenSourcePolitics. It works with a spam detection service (https://github.com/OpenSourcePolitics/spam_detection) which marks the user with a spam probability score, between 0.7 and 0.99 it is probable, and above 0.99 it is very sure.
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