Japan Corporate Number (NTA)

Overview

Japan Corporate Number (NTA) is a Model Context Protocol server that relays Japan's tax agency corporate number data through the NTA Web-API. Any MCP-compatible AI assistant can call its tools directly to access corporate registration information published by Japan's tax authority, with sources included in responses.

This is a hosted remote server requiring no local installation. Connect your client to https://jp-corporate-number-production.mk-career-planning.workers.dev/mcp and start using it immediately. Version v0.1.0 is currently available. No authentication credentials are needed.

Japan Corporate Number (NTA) is categorized as Development and works with MCP clients including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf, Zed, and others across the ecosystem. If you maintain this server, claim your listing to earn the Verified badge and keep information up to date.

Installation

Settings → Connectors → Add custom connector
Name: Japan Corporate Number (NTA)
URL:  https://jp-corporate-number-production.mk-career-planning.workers.dev/mcp