Which MCP Server Should You Choose?
U
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 Apitier MCP Server 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:
APITIER_MCP_KEY. - Primary tools included: kyc_onboard_uk, verify_uk_address, lookup_uprn.