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    Status
    Title
    Editorial
    Difficulty
    What Is an Agent? How Is It Different from a Single LLM Call or Fixed Workflow?
    Easy
    What Is ReAct? Explain Its Principles
    Medium
    Plan-and-Execute vs ReAct Agent Architectures
    Premium
    Medium
    Recovering Long-Running Agents After Interruptions
    Premium
    Medium
    When Should an Agent Continue, Stop, Fail, or Ask for Human Confirmation?
    Premium
    Medium
    Preventing Agent Infinite Loops, Repeated Tool Calls, Runaway Costs, and Dangerous Actions
    Premium
    Medium
    How Do Skills Package Reusable Agent Workflows, and How Are They Different from Ordinary Tools?
    Premium
    Medium
    MCP in Agent Systems vs Function Calling
    Premium
    Medium
    When Is Multi-Agent Collaboration Appropriate, and When Is a Single Agent Better?
    Premium
    Medium
    What A2A Solves and the Protocol Contracts for Agent-to-Agent Collaboration
    Premium
    Hard