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Built for the Claude Code community with Claude Code by @mertduzgun

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G2b Sanctioned Supplier

nomadamas/k-skill
598 installs6.2k stars
Summary

Checks whether a Korean business is currently under bidding sanctions in the government procurement system by querying the Public Data Portal's G2B API through a proxy. You pass in a business registration number and get back active sanctions with dates, agencies, and legal grounds. It only returns sanctions that are valid right now, not historical records, and won't find anything for unregistered vendors. The design is deliberately plain: it returns raw upstream facts without scoring or interpretation. Useful when you're vetting a potential contractor or need to verify compliance before entering a public sector deal. Requires the k-skill-proxy infrastructure but no API keys on your end.

Install to Claude Code

npx -y skills add nomadamas/k-skill --skill g2b-sanctioned-supplier --agent claude-code

Installs into .claude/skills of the current project.

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Files
SKILL.mdView on GitHub

나라장터 부정당제재업체정보 조회

What this skill does

공공데이터포털의 조달청 나라장터 사용자정보 서비스(data.go.kr 15129466, getUnptRsttCorpInfo02)를 k-skill-proxy 경유로 호출해, 사업자등록번호 정확 일치(inqryDiv=1)로 조회시점 현재 유효한 부정당제재를 조회한다.

  • 반환: 제재 시작/종료일자, 제재기관명, 계약법구분, 제재근거법률 등 upstream 필드 원문

Coverage boundary

upstream 명세상 다음은 제공되지 않는다 — 과거 이력 조회가 아니다.

  • 조회시점에 제재만료·해제된 건
  • 나라장터 미등록업체·개인에 대한 제재

만료 이력까지 보려면 나라장터(https://www.g2b.go.kr)에서 수동 확인이 필요하다.

Design principles

  • 점수·등급·해석 라벨을 만들지 않는다. upstream 사실 + 출처 + 적용범위 한계만 담는다.

When to use

  • "이 회사 입찰 제재(부정당제재) 이력 있어?"
  • "거래/계약 전에 부정당업자 제재 여부 확인해줘"

Prerequisites

  • 인터넷 연결, python3
  • scripts/g2b_sanctioned_supplier.py helper
  • hosted/self-host k-skill-proxy의 /v1/g2b/sanctioned-supplier route 접근 가능

Credential requirements

  • 사용자 측 필수 시크릿 없음.
  • KSKILL_PROXY_BASE_URL — self-host 프록시를 쓸 때만 설정. 비우면 hosted https://k-skill-proxy.nomadamas.org 사용.
  • DATA_GO_KR_API_KEY 는 프록시 운영 서버 환경에만 둔다. 공공데이터포털에서 조달청_나라장터 사용자정보 서비스(부정당제재업체정보조회 포함) 활용신청이 되어 있어야 한다.

Inputs

  • --bizno: 사업자등록번호 10자리(하이픈 허용) — 필수

CLI examples

python3 g2b-sanctioned-supplier/scripts/g2b_sanctioned_supplier.py --bizno 124-81-00998

Failure modes

  • 400 bad_request: 사업자번호가 10자리가 아님.
  • 503 upstream_not_configured: 프록시 서버에 DATA_GO_KR_API_KEY 없음.
  • 502 upstream_forbidden: 프록시 키가 15129466에 활용신청되지 않음.
  • total_count = 0: 조회시점 현재 유효한 제재 없음 (만료·미등록업체는 미제공임에 유의).

Official surfaces

  • 공공데이터포털: https://www.data.go.kr/data/15129466/openapi.do
  • upstream: https://apis.data.go.kr/1230000/ao/UsrInfoService02/getUnptRsttCorpInfo02
  • 수동 대조: 나라장터 https://www.g2b.go.kr
  • 프록시 route: GET /v1/g2b/sanctioned-supplier
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