Which MCP Server Should You Choose?
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Choose Numbers Online — phone intelligence when:
- You need dedicated capabilities in the Developer Tools domain.
- You prefer remote streaming HTTP/SSE transport architecture.
- Your security boundary fits: No auth required (Free / Open Source).
- Primary tools included: phone_lookup, caller_risk, line_type.
Choose Hermes Action Bridge when:
- You need dedicated capabilities in the Developer Tools domain.
- You prefer local stdio subprocess transport architecture.
- Your security boundary fits: No auth required (Free / Open Source).
- Primary tools included: hermes_run, hermes_plan, hermes_capabilities.