Changelog
What's new
Release history and version notes.
v0.2.0-beta2026-03-15majorMulti-Agent Graph
·Multi-agent graph: Orchestrator + 6 specialist sub-agents (Interactor, Network Manager, Storage Manager, Media Controller, Debugger, Emulator)
·Dynamic model routing per sub-agent category
·Cross-tab observational memory: discoveries in one tab available to all
·Working memory distillation to manage context window growth
New Tools
·browser-crawl: Crawlee-powered full-site crawler with concurrency, deduplication, and resource blocking
·browser-batch: Execute N tool calls in a single round-trip
·browser-screencast: Record browser sessions as video frame sequences
·browser-transcribe: Extract audio from video/audio elements
·browser-cpu: Simulate CPU throttling for performance testing
·browser-vision: Emulate color blindness and other vision deficiencies
·browser-data: Create self-describing structured crawl documents
Governance
·URL scheme firewall (blocks chrome://, file://, chrome-extension:// by default)
·Credit-based rate limiting with configurable time windows
·Maximum crawl depth and page count limits
·Allowlist-based domain governance
v0.1.0-beta2026-02-10majorCore
·Initial MCP tool server implementation
·CDP session management for Chrome tabs
·WebSocket connection between extension and server
·Accessibility snapshot tool with @e ref system
·Navigation and page lifecycle tools
·Working memory and message history per tab
Tools — Session
·browser-tabs: List all open tabs with @t refs
·browser-attach: Attach CDP session, returns @x ref
·browser-detach: Clean session teardown
·browser-launch: Open new tab with optional URL
·browser-close: Close tab and clean session state
·browser-connect: Connect to external CDP WebSocket URL
·browser-window: List windows and tabs for scout-browser integration
Tools — Navigation & Content
·browser-navigate: URL navigation with networkidle wait
·browser-snapshot: Accessibility tree with @e ref system
·browser-extract: DOM property-based content extraction (article, text, html, markdown, attributes, element state)
·browser-evaluate: JavaScript execution in page context
·browser-find: Element search with highlighted results
·browser-screenshot: Page and element capture (PNG/JPEG)
·browser-pdf: PDF generation with full print options
Tools — Interaction
·browser-action: Click, fill, hover, press, select actions via @e refs
·browser-select: Dropdown and listbox selection
·browser-upload: File upload to input elements
·browser-dialog: Handle alert/confirm/prompt dialogs
·browser-scroll: Page and element scrolling
·browser-highlight: Visual element highlighting
Tools — Network, Storage & Media
·browser-network: Enable/disable request capture
·browser-route: Request interception and mocking
·browser-unroute: Remove route handlers
·browser-har: Record HTTP Archive (HAR) files
·browser-security: SSL certificate error handling
·browser-websocket: Track WebSocket connections
·browser-download: Manage downloads
·browser-cookies: Get/set/clear cookies
·browser-storage: localStorage and sessionStorage access
·browser-clipboard: Clipboard read/write
Tools — Debug & Emulation
·browser-console: Capture console logs and errors
·browser-metrics: Performance timing metrics
·browser-memory: DOM node and listener counts
·browser-emulate: User agent, locale, geolocation, timezone, color scheme emulation
·browser-resize: Viewport resize
·browser-throttle: Network throttling simulation
Extension
·Chrome extension manifest v3
·Service worker for persistent WebSocket connection
·Side panel for session monitoring and control
·CDP event routing and notification queue per session
·Tab tracker with @t ref assignment
v0.0.3-alpha2026-01-20patchFixes
·Fixed WebSocket reconnection on network changes
·Improved accessibility snapshot accuracy for dynamic content
·Fixed tab session cleanup on extension update
·Resolved race condition in CDP command queue on rapid navigation
v0.0.2-alpha2026-01-05minorFeatures
·Network request interception via browser-route
·Console output capture via browser-console
·Form filling via browser-action fill action
·PDF generation via browser-pdf
·Cookie management via browser-cookies
v0.0.1-alpha2025-12-15minorInitial Release
·Proof of concept: Extension-based browser control via CDP
·Basic navigation (browser-navigate) and snapshot (browser-snapshot)
·WebSocket communication layer between extension and server
·MCP tool server with stdio transport