X/Twitter research agent powered by Composio (zero API cost). Searches X for real-time perspectives, discussions, product feedback, breaking news, and expert opinions. Supports reply monitoring, profile analysis, thread following, and watchlist tracking. Use when: (1) user says "x research", "search x for", "search twitter for", "what are people saying about", "check x for", "x search", "/x-research", (2) user wants to find replies, mentions, or engagement data, (3) user wants to monitor specific accounts or topics. NOT for: posting tweets (use cortana-post.py), account management.