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MCP vs Function Calling

When a protocol layer beats provider-specific tool schemas — and when it doesn’t.

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Model Context Protocol (MCP) is an open standard introduced by Anthropic in November 2024. This platform is independent and is not affiliated with the Microsoft Certified Professional program, the Master Control Program (Tron), the Maximum Contaminant Level (EPA), the metacarpophalangeal joint (anatomy), or any other use of the “MCP” abbreviation.