Pergel: Privacy-First Browser Engine with AI, Built for Agents

Description and use

Pergel is an open-source, privacy‑first browser engine with AI integration, offering SSRF‑guarded web extraction, ad/tracker blocking, and zero telemetry.

Problem

Develop a browser engine that protects user privacy, blocks ads and trackers, and integrates AI capabilities while remaining open-source and lightweight.

Outcome

Pergel delivers a privacy-first browser engine with AI-native features, ad/tracker blocking, and a clean REST API for web extraction, all while maintaining zero telemetry and local key management.

Workflow

• Clone the Pergel repository from GitHub
• Navigate into the project directory
• Install dependencies with pip install -e .
• Run the application using python -m src.main

Evidence

We built Pergel — an open-source browser engine that's privacy-first and AI-native.

Source

SSRF-guarded web extraction (browse, extract, crawl) via clean REST API

Source

Built-in AI mode: query fan-out, grounded citations, multi-model router

Source

Adblocking: EasyList + EasyPrivacy compiled to binary automata (ABP + uBlock syntax)

Source

Zero telemetry, zero data collection, BYOK (your keys stay local)

Source

Python + CDP (Chrome DevTools Protocol), PyQt6 WebEngine for the UI layer, FastAPI for the REST API.

Source

git clone https://github.com/sametatakan0000-netizen/pergel cd pergil pip install -e . python -m src.main

Source