Koskamo

Japan Bridge MCP

An MCP server that facilitates Japan-to-Korea sourcing by searching Rakuten and Yahoo Japan, calculating landed costs and prices, and generating draft listings for Naver Smart Store.

Package and access

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

Japan Bridge MCP logo, by groove79Community listingLocal stdioSource reviewed; not executedPublished by groove79
Vendor documentation

What you can do with it

  • Search Rakuten and Yahoo Japan products
  • Calculate landed costs and prices
  • Create draft listings for Naver Smart Store

Source and maintenance

Community listingRegistry 0.1.1
mcp-registry: io.github.groove79/mcp-japan-bridge@0.1.1Source repositoryProject website
Maintenance checked

Packages and installation

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

@appmonster/mcp-japan-bridge 0.1.1

npm
@appmonster/mcp-japan-bridge package definition
{
  "version": "0.1.1",
  "transport": "stdio",
  "identifier": "@appmonster/mcp-japan-bridge",
  "registryType": "npm",
  "registryBaseUrl": "https://registry.npmjs.org",
  "environmentVariables": [
    {
      "name": "RAKUTEN_APP_ID",
      "description": "Rakuten Web Service application id (free)"
    },
    {
      "name": "RAKUTEN_ACCESS_KEY",
      "description": "Rakuten Web Service access key (paired with the app id)"
    },
    {
      "name": "YAHOO_JP_APP_ID",
      "description": "Yahoo! JAPAN developer Client ID (free)"
    },
    {
      "name": "BRIDGE_SHIPPING_BASE_JPY",
      "description": "Your forwarder's base fee per parcel in JPY (default 700)"
    },
    {
      "name": "BRIDGE_SHIPPING_PER_KG_JPY",
      "description": "Your forwarder's rate per kg in JPY (default 1500)"
    },
    {
      "name": "BRIDGE_PLATFORM_FEE_RATE",
      "description": "Marketplace + payment fee rate (default 0.06)"
    }
  ]
}

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.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "japan-bridge-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@appmonster/mcp-japan-bridge@0.1.1"
      ],
      "env": {
        "RAKUTEN_APP_ID": "<YOUR_RAKUTEN_APP_ID>",
        "RAKUTEN_ACCESS_KEY": "<YOUR_RAKUTEN_ACCESS_KEY>",
        "YAHOO_JP_APP_ID": "<YOUR_YAHOO_JP_APP_ID>",
        "BRIDGE_SHIPPING_BASE_JPY": "<YOUR_BRIDGE_SHIPPING_BASE_JPY>",
        "BRIDGE_SHIPPING_PER_KG_JPY": "<YOUR_BRIDGE_SHIPPING_PER_KG_JPY>",
        "BRIDGE_PLATFORM_FEE_RATE": "<YOUR_BRIDGE_PLATFORM_FEE_RATE>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "japan-bridge-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@appmonster/mcp-japan-bridge@0.1.1"
      ],
      "env": {
        "RAKUTEN_APP_ID": "<YOUR_RAKUTEN_APP_ID>",
        "RAKUTEN_ACCESS_KEY": "<YOUR_RAKUTEN_ACCESS_KEY>",
        "YAHOO_JP_APP_ID": "<YOUR_YAHOO_JP_APP_ID>",
        "BRIDGE_SHIPPING_BASE_JPY": "<YOUR_BRIDGE_SHIPPING_BASE_JPY>",
        "BRIDGE_SHIPPING_PER_KG_JPY": "<YOUR_BRIDGE_SHIPPING_PER_KG_JPY>",
        "BRIDGE_PLATFORM_FEE_RATE": "<YOUR_BRIDGE_PLATFORM_FEE_RATE>"
      }
    }
  }
}

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": {
    "japan-bridge-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@appmonster/mcp-japan-bridge@0.1.1"
      ],
      "env": {
        "RAKUTEN_APP_ID": "<YOUR_RAKUTEN_APP_ID>",
        "RAKUTEN_ACCESS_KEY": "<YOUR_RAKUTEN_ACCESS_KEY>",
        "YAHOO_JP_APP_ID": "<YOUR_YAHOO_JP_APP_ID>",
        "BRIDGE_SHIPPING_BASE_JPY": "<YOUR_BRIDGE_SHIPPING_BASE_JPY>",
        "BRIDGE_SHIPPING_PER_KG_JPY": "<YOUR_BRIDGE_SHIPPING_PER_KG_JPY>",
        "BRIDGE_PLATFORM_FEE_RATE": "<YOUR_BRIDGE_PLATFORM_FEE_RATE>"
      }
    }
  }
}

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": {
    "japan-bridge-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@appmonster/mcp-japan-bridge@0.1.1"
      ],
      "env": {
        "RAKUTEN_APP_ID": "<YOUR_RAKUTEN_APP_ID>",
        "RAKUTEN_ACCESS_KEY": "<YOUR_RAKUTEN_ACCESS_KEY>",
        "YAHOO_JP_APP_ID": "<YOUR_YAHOO_JP_APP_ID>",
        "BRIDGE_SHIPPING_BASE_JPY": "<YOUR_BRIDGE_SHIPPING_BASE_JPY>",
        "BRIDGE_SHIPPING_PER_KG_JPY": "<YOUR_BRIDGE_SHIPPING_PER_KG_JPY>",
        "BRIDGE_PLATFORM_FEE_RATE": "<YOUR_BRIDGE_PLATFORM_FEE_RATE>"
      }
    }
  }
}

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