PlugRail Corporate Number
Japanese corporate number lookup using official National Tax Agency public data.
Should I use this
Quality & Safety
Findings (6)
- LOWTool 'search_corporate_by_number' description lacks action verbin search_corporate_by_number
- LOWTool 'search_corporate_by_name' description lacks action verbin search_corporate_by_name
- LOWTool 'search_corporate_by_address' description lacks action verbin search_corporate_by_address
- LOWTool 'lookup_corporate' description lacks action verbin lookup_corporate
- LOWTool 'verify_invoice_number' description lacks action verbin verify_invoice_number
- LOWTool 'company_profile' description lacks action verbin company_profile
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"jp-corporate": {
"url": "https://jp-corporate.plugrail.dev/mcp"
}
}
}Remote endpoints
https://jp-corporate.plugrail.dev/mcpstreamable-httpWhat it can do
Tool inventory
Tools (6)
🟢search_corporate_by_number(corporateNumber)
法人番号（13桁）で日本の法人を1件検索します。国税庁公開データに基づきます。入力例: {"corporateNumber": "8000000000001"}
Input Schema
{
"type": "object",
"properties": {
"corporateNumber": {
"type": "string",
"pattern": "^\\d{13}$",
"description": "13桁の法人番号。例: \"8000000000001\""
}
},
"required": [
"corporateNumber"
],
"$schema": "https://json-schema.org/draft/2020-12/schema"
}🟢search_corporate_by_name(prefecture, prefix, limit, cursor)
都道府県＋法人名の接頭辞で日本の法人を検索します。国税庁公開データに基づきます。入力例: {"prefecture": "13", "prefix": "渋谷", "limit": 10}
Input Schema
{
"type": "object",
"properties": {
"prefecture": {
"type": "string",
"pattern": "^\\d{2}$",
"description": "都道府県コード2桁。例: \"13\"（東京）"
},
"prefix": {
"type": "string",
"minLength": 1,
"description": "検索接頭辞（非空）。例: \"渋谷\""
},
"limit": {
"description": "取得件数 1〜20（省略時は10）。例: 10",
"type": "integer",
"minimum": 1,
"maximum": 20
},
"cursor": {
"description": "前回応答の nextCursor（透過・省略可）。",
"type": "string"
}
},
"required": [
"prefecture",
"prefix"
],
"$schema": "https://json-schema.org/draft/2020-12/schema"
}🟢search_corporate_by_address(prefecture, prefix, limit, cursor)
都道府県＋所在地の接頭辞で日本の法人を検索します。国税庁公開データに基づきます。入力例: {"prefecture": "13", "prefix": "渋谷", "limit": 10}
Input Schema
{
"type": "object",
"properties": {
"prefecture": {
"type": "string",
"pattern": "^\\d{2}$",
"description": "都道府県コード2桁。例: \"13\"（東京）"
},
"prefix": {
"type": "string",
"minLength": 1,
"description": "検索接頭辞（非空）。例: \"渋谷\""
},
"limit": {
"description": "取得件数 1〜20（省略時は10）。例: 10",
"type": "integer",
"minimum": 1,
"maximum": 20
},
"cursor": {
"description": "前回応答の nextCursor（透過・省略可）。",
"type": "string"
}
},
"required": [
"prefecture",
"prefix"
],
"$schema": "https://json-schema.org/draft/2020-12/schema"
}⚪lookup_corporate(corporateNumber, name, prefecture, address, limit, ...)
法人番号の確定照会と名称・所在地の候補探索を分離して返す。名称だけでは断定せず複数候補と根拠別scoreを返す。番号確定例: {"corporateNumber": "8000000000001"}／候補例: {"name": "渋谷", "prefecture": "13", "limit": 10}
Input Schema
{
"type": "object",
"properties": {
"corporateNumber": {
"description": "13桁の法人番号（確定照会）。例: \"8000000000001\"",
"type": "string",
"pattern": "^\\d{13}$"
},
"name": {
"description": "法人名の検索語（候補探索）。例: \"渋谷\"",
"type": "string",
"minLength": 1
},
"prefecture": {
"description": "都道府県コード2桁（候補探索は必須）。例: \"13\"（東京）",
"type": "string",
"pattern": "^\\d{2}$"
},
"address": {
"description": "所在地の絞込語（候補探索の任意）。例: \"渋谷\"",
"type": "string",
"minLength": 1
},
"limit": {
"description": "取得件数 1〜20（省略時は10）",
"type": "integer",
"minimum": 1,
"maximum": 20
},
"cursor": {
"description": "前回応答の nextCursor（透過・省略可）。",
"type": "string"
}
},
"$schema": "https://json-schema.org/draft/2020-12/schema"
}⚪verify_invoice_number(invoiceNumber)
適格請求書発行事業者番号（T＋13桁）の登録・取消・失効を日付付きで照合します。未発見は個人非掲載または未収録として明示し、無効・不存在と断定しません。入力例: {"invoiceNumber": "T8000000000001"}
Input Schema
{
"type": "object",
"properties": {
"invoiceNumber": {
"type": "string",
"description": "T＋13桁の登録番号。例: \"T8000000000001\""
}
},
"required": [
"invoiceNumber"
],
"$schema": "https://json-schema.org/draft/2020-12/schema"
}⚪company_profile(corporateNumber)
法人番号（13桁）で基本情報・補助金・届出・財務の会社プロファイルを返す。各領域の出典・鮮度・欠損を保持し、部分障害時は取得済みと欠損を同時に返す。入力例: {"corporateNumber": "8000000000001"}
Input Schema
{
"type": "object",
"properties": {
"corporateNumber": {
"type": "string",
"description": "13桁の法人番号。例: \"8000000000001\""
}
},
"required": [
"corporateNumber"
],
"$schema": "https://json-schema.org/draft/2020-12/schema"
}Community
Evidence