A
licenseNot graded
qualityC
maintenanceEnables AI agents to query Japanese public data (laws, corporations, statistics) from official government APIs, returning normalized English metadata with source attribution.
1
MIT
japan-data-mcp
by Izyuusya
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TDQS
A3.9/5.0
Scored across 14 tools
Disambiguation4/5
Most tools have clearly distinct purposes, and the descriptions help separate similar actions. A few pairs could be confused—search_corporations vs. search_invoice_by_name, and check_invoice_registration vs. validate_invoice_on_date—but their intent is still discernible.
Naming Consistency4/5
The tools almost all follow a snake_case verb_noun pattern, which is predictable and readable. Minor deviations like validate_invoice_on_date and search_invoice_by_name add prepositional modifiers, and check/validate are near-synonyms, so the consistency is not perfect.
Tool Count5/5
14 tools is well within a reasonable scope for a multi-domain Japan data server covering statistics, corporate records, real estate, and invoice registration. Each tool serves a distinct purpose, including presets that add convenience without bloating the set.
Completeness4/5
The server covers core end-to-end workflows: search/retrieve statistics, resolve codes, get metadata, compare regions, look up companies, fetch real estate transactions, and verify invoice registrations. Minor gaps exist, such as limited real-estate filtering and no area-only corporate browsing, but agents can work around them.
Maintenance
ActivityInactive
ResponsivenessNo issues