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How-to guides, and the methods behind our research.
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Google's A2A Protocol: How AI Agents Talk Across Frameworks
Google's Agent2Agent (A2A) protocol launched in April 2025 and grew past 150 supporters. How it works, how it differs from MCP, and its security findings.
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Multi-Agent Systems: How They Work and When to Use Them
Multi-agent systems in 2026: hub-and-spoke, flat mesh and hierarchical designs, the MCP and A2A protocols, ROI benchmarks and how to pick an architecture.

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Types of AI Agents: A Complete Guide From Theory to Practice
Ten types of AI agents: the five classical types from Russell and Norvig and five modern LLM-based ones, with examples and when to use each.