Converts Markdown to styled HTML with WeChat-compatible themes. Supports code highlighting, math, Mermaid (rendered to PNG via headless Chrome), PlantUML, footnotes, alerts, infographics, and optional bottom citations for external links. Use when user asks for "markdown to html", "convert md to html

Enables AI agents to drive a real Chromium browser by receiving compact, token-efficient page maps and only the changes after each action. It guards against hidden prompt injections, blocks payments, sends and deletions until the user approves, and lets agents learn site-specific notes over time.

Exposes five read-only tools for checking browser status, searching X posts, searching Xiaohongshu notes, and reading Xiaohongshu notes and comments through a locally installed bb-browser CLI. It targets MCP clients such as Codex, though live retrieval remains unverified.