XBOSS for ChatGPT
kr.xdata/xboss-mcp
Korean national tax, insurance, invoice and payroll data as MCP tools. Free tier, no card needed.
client:ChatGPT
transport:streamable-http
tools:398
Install XBOSS in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://api.xdata.kr/mcpCustom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs
What ChatGPT can do once it is connected
- hometax__session__login
- hometax__session__user_info
- hometax__certificate__list
- hometax__certificate__apply__national_tax_payment
- hometax__certificate__apply__tax_payment_record
- hometax__certificate__apply__vat_standard
- hometax__certificate__apply__business_registration
- hometax__certificate__apply__business_suspension
- hometax__certificate__apply__financial_statement
- hometax__certificate__apply__business_closure
- hometax__certificate__apply__business_registration_reissue
- hometax__certificate__apply__income_statement
- hometax__etax__invoice__search_summary
- hometax__etax__invoice__search_list
- hometax__etax__invoice__search_statistics
- hometax__etax__invoice__search_detail
- hometax__etax__invoice__issue
- hometax__etax__invoice__modify
- hometax__tax__business_registration__search_status
- hometax__tax__business_registration__search_info
- hometax__tax__my_tax_agent__search
- hometax__tax__return_history__search_vat
- hometax__tax__payment_due__search_or_pay
- hometax__tax__electronic_notice__check_status