Mcp Anthropic released a series of guides detailing the Claude Code Subagent Mastery Stack and a 6-component AI Agent Tool Chain for building production-grade autonomous agents, aiming to help developers coordinate multiple AI agents from a single conversation. Claude Code Subagent Mastery Stack 2026: From One Conversation to a Coordinated Agent Council29 May 2026·4 mins AI Agent Tool Chain 2026: The 6-Component Stack for Building Production-Grade Autonomous Agents21 May 2026·9 mins