Plugin Based Extensibility System For Security And Performance

via “plugin system with baseplugin and pluginmanager for extensibility”

🔥 Open Source Browser API for AI Agents & Apps. Steel Browser is a batteries-included browser sandbox that lets you automate the web without worrying about infrastructure.

Unique: Implements a formal plugin architecture with BasePlugin abstract class and PluginManager that hooks into session lifecycle and request/response cycles, enabling clean extension without core code modification. Built-in plugins demonstrate patterns for WebSocket streaming and logging.

vs others: More structured than ad-hoc event listeners; provides a formal plugin interface with lifecycle hooks, whereas Puppeteer requires manual event listener setup and has no standardized extension mechanism.