Japan Data MCP for Claude Code

io.github.mameta29/japan-data-mcp

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

client:Claude Code transport:stdio runtime:npm

Install Japan Data MCP in Claude Code

run in your project directory

claude mcp add japan-data-mcp -e EVM_PRIVATE_KEY=<EVM_PRIVATE_KEY> -- npx -y @mameta/japan-data-mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs