About io.github.skypier-jp-works/mcp-jp-corporate-id
io.github.skypier-jp-works/mcp-jp-corporate-id is an MCP server in the Science category: validates and normalizes Japanese corporate numbers and invoice registration numbers (format only).
Install
claude mcp add io-github-skypier-jp-works-mcp-jp-corporate-id -- npx -y mcp-jp-corporate-idnpx -y mcp-jp-corporate-idThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
Tools (7)
calculate_check_digitComputes the check digit for a 12-digit company registration number and derives the 13-digit corporate number
Parameters not published.
compare_company_namesJudges whether two company names likely refer to the same entity (`likely_different` only under a strict, narrow condition; returns "unknown" whenever it cannot tell)
Parameters not published.
generate_matching_keyGenerates a normalized key for company-name deduplication/matching
Parameters not published.
normalize_company_nameNormalizes company-name notation (株式会社/(株)/㈱ etc., prefix/suffix placement, legacy kanji forms)
Parameters not published.
parse_corporate_numberBreaks down the structure of a corporate number (category, registry office code, organization type, serial number)
Parameters not published.
validate_corporate_numberVerifies the check digit of a 13-digit corporate number
Parameters not published.
validate_invoice_numberValidates a qualified invoice registration number ("T" + 13 digits)
Parameters not published.
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