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MCP to MIG migration walkthrough for teams that cannot pause production.

Migration programs fail when they force a flag-day cutover. The MIG approach is staged: pass-through adapters, dual contract exposure, then native MIG profile enforcement after conformance validation.

This sequence keeps rollback options intact while teams validate transport mappings and policy behavior under real traffic. You can move clients gradually and measure compatibility drift before deprecating legacy paths.

The key is treating interop as an engineering program, not a one-time rewrite. MIG provides the compatibility model and conformance assets to keep that program bounded.