Which MCP Server Should You Choose?
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Choose UK Companies House (Registrum) no API key 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).
- You have access to required keys:
REGISTRUM_API_KEY. - Primary tools included: search_company, get_bundle, get_company.
Choose MCP Server Docker 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).
- You have access to required keys:
DOCKER_HOST. - Primary tools included: Natural-language container composition prompt, Container lifecycle management, Image build, pull, push, and removal.