The real problem MCP solves is decades old: connecting any app to any other app required custom-built, hand-maintained integrations that scaled as N×N. MCP flips this by making the LLM the translation layer between domains, so each app only needs to expose one standard structure (tools, resources, auth) and the model figures out the mapping. This is why every major AI company is investing in MCP — game theory makes fragmentation irrational.
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