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Agent Browser Protocol (ABP): Chromium Fork for AI Agents Achieves 90.5% on Mind2Web — Show HN 155 Points
ABP is a Chromium fork that solves AI browser automation timing bugs by freezing JavaScript execution and rendering after each agent action, capturing the resulting DOM state and notable events, then returning a screenshot and structured summary before unfreezing. This eliminates the stale-DOM race conditions that cause modal-timing failures, autocomplete interference, and download-tracking errors that plague Playwright-based agents. It benchmarks at 90.5% on Online Mind2Web (Claude Opus 4.6) including 85.51% on hard tasks; installs as an MCP server via npx.
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