Koskamo

mcp-jp-corporate-id MCP

This MCP server provides tools for validating and normalizing Japanese corporate numbers and qualified invoice registration numbers. It performs format validation and normalization of company names without accessing external APIs, ensuring privacy by not logging inputs. It includes tools to verify check digits, calculate corporate numbers from registration numbers, parse number structures, and match company names for deduplication.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

mcp-jp-corporate-id MCP logo, by skypier-jp-worksCommunity listingLocal stdioSource reviewed; not executedPublished by skypier-jp-works
Vendor documentation

What you can do with it

  • Validate the check digit of a 13-digit Japanese corporate number
  • Calculate the 13-digit corporate number from a 12-digit company registration number
  • Normalize company names across different notation variants like 株式会社 vs (株)
  • Match company names to determine if they likely refer to the same entity

Source and maintenance

Community listingRegistry 1.0.0
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

mcp-jp-corporate-id 1.0.0

npm
mcp-jp-corporate-id package definition
{
  "version": "1.0.0",
  "transport": "stdio",
  "identifier": "mcp-jp-corporate-id",
  "registryType": "npm"
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

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Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "mcp-jp-corporate-id-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-jp-corporate-id@1.0.0"
      ]
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "mcp-jp-corporate-id-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-jp-corporate-id@1.0.0"
      ]
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "mcp-jp-corporate-id-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "mcp-jp-corporate-id@1.0.0"
      ]
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "mcp-jp-corporate-id-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-jp-corporate-id@1.0.0"
      ]
    }
  }
}

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