Obscura is a Rust-based headless browser engine that runs real JavaScript via V8 and implements the Chrome DevTools Protocol for Puppeteer and Playwright compatibility. It ships as a single 70 MB binary with just 30 MB RAM usage, supports stealth mode with fingerprint randomization and tracker blocking, and delivers faster startup and page loads for large-scale scraping and AI agent automation.

This article presents jsongrep, a tool for querying JSON documents efficiently using a DFA-based approach. It explains the tool's features, how it processes queries, and benchmarks its performance against other JSON querying tools.