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Japanese holidays, business days, eras, postal codes, addresses and corporate numbers.
npx @getmcp/cli add jp.ossalt/jp-biz-toolsRequires Node.js 18+. Community-contributed server. Review source before installing.
Config file: ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"jp.ossalt/jp-biz-tools": {
"url": "https://biz.ossalt.jp/mcp",
"transport": "streamable-http"
}
}
}