Japan Corporate Number
liveGovernmentJapan's National Tax Agency (国税庁) corporate-number register: every 13-digit 法人番号 with legal name, katakana and English name, address, corporate kind and active/closed status; search by Japanese or English name.
2tools
0msauth
free tier50 calls/day
Tools
jp_corporate_numberLook up a Japanese company/organization by its 13-digit NTA corporate number.
No parameters required.
Try it
Response
jp_company_searchSearch Japan's NTA corporate-number register by Japanese or romanised company name.
No parameters required.
Try it
Response
Test with curl
The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.
List available tools
bash
curl -X POST https://gateway.pipeworx.io/japan-corporate-number/mcp \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'Call a tool
bash
curl -X POST https://gateway.pipeworx.io/japan-corporate-number/mcp \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"jp_corporate_number","arguments":{}}}'Use with the SDK
Install @pipeworx/sdk to call tools from any TypeScript/Node project.
TypeScript
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("jp_corporate_number", {});ask_pipeworx
// Or ask in plain English:
const answer = await px.ask("japan's national tax agency (国税庁) corporate-number register: every 13-digit 法人番号 with legal name, katakana and english name, address, corporate kind and active/closed status; search by japanese or english name");