Which MCP Server Should You Choose?
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Choose MacOS Only MCP server that exposes iMessage chat when:
- You need dedicated capabilities in the OS Automation domain.
- You prefer local stdio subprocess transport architecture.
- Your security boundary fits: No auth required (Free / Open Source).
Choose Cellar when:
- You need dedicated capabilities in the OS Automation domain.
- You prefer remote streaming HTTP/SSE transport architecture.
- Your security boundary fits: No auth required (Free / Open Source).
- Primary tools included: ContextElement and ContextSnapshot modeling and merging, Memory trait with session, scope, and write hook support, Local SQLite and vector search memory backend.