Why Multi-Agent Systems Need Both MCP and A2A in 2025
Dev.to AI
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Generative AI
Why Multi-Agent Systems Need Both MCP and A2A in 2025 In 2025, the conversation around AI agents has shifted from "can an agent call a tool?" to "how do many agents work together reliably in production?" That shift matters. Single-agent s are easy to build. Production systems are not. Once an agent has to coordinate with other agents, call external tools, preserve boundaries, and stay observable under failure, architecture becomes the difference between a and an operating system.