JP Data MCP
A free, open-source MCP server that gives AI agents the Japanese business-data primitives they most often need: Corporate numbers (法人番号) — offline check-digit validation and, with a (free) NTA application ID, live registry enrichment from the National Tax Agency. It also provides Zengin bank/branch codes and Japanese national holidays.
Package and access
Local package with source-attributed installation metadata. Koskamo does not execute packages during review.
What you can do with it
- Validate corporate numbers offline
- Enrich corporate registry data
- Lookup bank and branch codes
- Check national holidays
Source and maintenance
- Maintenance checked
Packages and installation
Source-provided package data. Koskamo has not executed or live-probed this package.
https://github.com/kimotostudio/jp-data-mcp/releases/download/v0.1.0/jp-data-mcp-0.1.0.mcpb
{
"transport": "stdio",
"fileSha256": "cc5005933da7b469ef71b486a89e18855eb488f0a9ac686358b5c19bc4a3c2ec",
"identifier": "https://github.com/kimotostudio/jp-data-mcp/releases/download/v0.1.0/jp-data-mcp-0.1.0.mcpb",
"registryType": "mcpb",
"environmentVariables": [
{
"name": "NTA_APP_ID",
"format": "string",
"description": "Optional free NTA Web-API application ID for live corporate-registry data; without it, corporate lookups use a bundled synthetic sample set tagged SYNTHETIC_SAMPLE."
}
]
}Tools
Reported by the attributed source; not independently observed by Koskamo.
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