$git clone https://github.com/pedrobraiti/vizier-trading-skillVizier - the decision-making brain of an agentic-trading stack. A Claude Code skill that researches, decides, remembers and orchestrates trades across US stocks/ETFs (IBKR) and crypto spot (CCXT), driving the Scout and Valet MCP servers it never modifies. Hybrid skill + deterministic safety core; paper-first.