> ## Documentation Index > Fetch the complete documentation index at: https://docs.toffee.at/llms.txt > Use this file to discover all available pages before exploring further. # Introduction > Detect bots, AI agents, and automation on your website in real-time. # What is Toffee? Toffee is a lightweight JavaScript SDK that detects non-human visitors on your website. It identifies bots, AI agents, scrapers, and automation tools — and tells you about them in real-time. ## How it works 1. **Client-side detection** — The SDK runs 6 categories of checks in the browser: user-agent analysis, headless browser detection, automation framework detection, navigator inconsistencies, browser fingerprint anomalies, and behavioral analysis. 2. **Bayesian fusion** — Signals from all detectors are combined using Bayesian probability, producing a calibrated probability (0.0–1.0) rather than an arbitrary score. 3. **ML classification** — When a session ends, the server runs a machine learning model on accumulated behavioral features to produce a final three-class classification: **human**, **bot**, or **agent**. 4. **Progressive confidence** — Detection starts immediately on page load and improves over time as more signals are observed. The SDK continuously rescores as new behavioral data comes in. ## What you get * **Real-time detection** with a probability-based risk tier system (definite-bot → suspicious → definite-human) * **Three-class classification** (human, bot, or agent) powered by both heuristics and ML * **A dashboard** for viewing traffic, agent breakdowns, page analytics, and individual sessions * **A full API** for building custom integrations on top of the detection data * **A tracking pixel** for detecting non-JS visitors (curl, CLI tools, bots that don't execute JavaScript) ## Next steps Get Toffee running on your site in 2 minutes. Full API reference for the JavaScript SDK.