PluginBench
MCP Server
Active
Apache-2.0

Japan Data MCP MCP Server

io.github.Mameta29/japan-data-mcp

RepositoryRegistry

What is the Japan Data MCP MCP server?

30 tools for Japanese data: address, furigana, transit, Diet, holidays, weather, corporate registry

How to install Japan Data MCP

Copy-paste configuration for popular MCP clients.

transport: stdio
Config generated by PluginBench — verify against the source before use.
Environment / auth
  • EVM_PRIVATE_KEY
    secret

    Private key of a USDC-funded wallet used to pay per-call x402 fees. Optional: without it the server starts and lists all tools, but paid tool calls return a 'payments disabled' error.

Claude Desktop
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "japan-data-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@mameta/japan-data-mcp"
      ],
      "env": {
        "EVM_PRIVATE_KEY": "<YOUR_EVM_PRIVATE_KEY>"
      }
    }
  }
}
Cursor
~/.cursor/mcp.json
{
  "mcpServers": {
    "japan-data-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@mameta/japan-data-mcp"
      ],
      "env": {
        "EVM_PRIVATE_KEY": "<YOUR_EVM_PRIVATE_KEY>"
      }
    }
  }
}
Windsurf
~/.codeium/windsurf/mcp_config.json
{
  "mcpServers": {
    "japan-data-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@mameta/japan-data-mcp"
      ],
      "env": {
        "EVM_PRIVATE_KEY": "<YOUR_EVM_PRIVATE_KEY>"
      }
    }
  }
}
VS Code
.vscode/mcp.json
{
  "servers": {
    "japan-data-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@mameta/japan-data-mcp"
      ],
      "env": {
        "EVM_PRIVATE_KEY": "<YOUR_EVM_PRIVATE_KEY>"
      }
    }
  }
}
Claude Code
claude mcp add japan-data-mcp --env EVM_PRIVATE_KEY=<YOUR_EVM_PRIVATE_KEY> -- npx -y @mameta/japan-data-mcp

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