search_postal_code — Japan Business Tools MCP Tool Read-only
search_postal_code
(search postal code) is one of 11 tools on the
Japan Business Tools
MCP server. Connect the server and your client discovers it on the handshake.
by client
How to call search_postal_code from your client
- Claude Code Japan Business Tools search_postal_code run in your project directory
- Claude Desktop Japan Business Tools search_postal_code ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor Japan Business Tools search_postal_code ~/.cursor/mcp.json
- VS Code Japan Business Tools search_postal_code .vscode/mcp.json
- Zed Japan Business Tools search_postal_code ~/.config/zed/settings.json
- Windsurf Japan Business Tools search_postal_code ~/.codeium/windsurf/mcp_config.json
- Cline Japan Business Tools search_postal_code ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
- Gemini CLI Japan Business Tools search_postal_code ~/.gemini/settings.json
- Grok Japan Business Tools search_postal_code .mcp.json (in your project root)
- ChatGPT Japan Business Tools search_postal_code Settings → Connectors → Advanced → Developer mode
- Claude.ai Japan Business Tools search_postal_code Settings → Connectors → Add custom connector
- LangChain Japan Business Tools search_postal_code pip install langchain-mcp-adapters
Fastest route
claude mcp add --transport http jp-biz-tools https://biz.ossalt.jp/mcpOther tools on this server
This list was read from the server itself, by connecting to it and calling tools/list on 7 October 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.