Discovery

list_jurisdictions

Per-country schema reference and cross-country tool-support matrix for every national company registry OpenRegistry covers.

Reference-data tool. Pass a jurisdiction code to get that country's full schema (registry name, ID format, supported tools, native status values, known quirks, jurisdiction_data field catalogue). Pass a tool name to get the cross-country support matrix for that specific tool.

Parameters

Name	Type	Required	Description
jurisdiction	string	no	ISO 3166-1 alpha-2 country code. Mutually exclusive with supports_tool.
supports_tool	string	no	Tool name. Returns {supported_count, supported_in[], not_supported_in[]}. Mutually exclusive with jurisdiction.

Example — Get full GB schema

curl -sL https://openregistry.sophymarine.com/mcp \
  -H 'content-type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"list_jurisdictions","arguments":{"jurisdiction":"GB"}}}'

Supported jurisdictions

This tool currently has no live registry bindings. See per-country support.

Related tools

• about — Server-level metadata: version, supported jurisdictions, tool catalogue, pricing summary, rate limits, data licenses.
• search_companies — Search any of 27 national company registries by name or structured filters.
• get_company_profile — Structured profile of a company by its registry-specific ID — unified fields + raw upstream under jurisdiction_data.