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National Pension Workplace

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

Queries South Korea's National Pension Service workplace enrollment data through the public data portal API to show employee headcount, monthly contribution amounts, and hiring/attrition trends by company name. You'd use this when you want to gauge a company's real workforce size or see if they've been growing or shrinking month over month. The API only exposes the first six digits of business registration numbers, so you're matching by company name and getting a candidate list if there are duplicates. It's raw facts only, no scores or risk labels, which is the right call since the data is public record anyway. Requires a proxy setup (hosted or self-host) that holds the data.go.kr API key, but end users don't need credentials.

Install to Claude Code

npx -y skills add nomadamas/k-skill --skill national-pension-workplace --agent claude-code

Installs into .claude/skills of the current project.

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Files
SKILL.mdView on GitHub

국민연금 가입 사업장 내역 조회

What this skill does

공공데이터포털의 국민연금공단_국민연금 가입 사업장 내역 서비스(data.go.kr 3046071, V2)를 k-skill-proxy 경유로 호출해 다음을 조회한다.

  • 가입 사업장 후보: 사업장명 + 사업자번호 앞 6자리로 매칭된 사업장 목록 (자료생성년월별 중복은 사업장당 최신 월로 정리)
  • 단일 사업장이 특정되면 상세: 가입자수(jnngpCnt), 당월 고지금액(crrmmNtcAmt), 신규취득/상실 인원
  • 월별 가입 현황 시계열

사업자등록번호는 앞 6자리만 공개(뒷자리 마스킹)되므로 사업장명이 필수이며, 후보가 여럿이면 특정하지 않고 목록 그대로 돌려준다.

Design principles

  • 점수·등급·"위험" 같은 해석 라벨을 만들지 않는다. upstream이 돌려준 사실만 담는다.
  • 후보가 여럿이면 동일성을 단정하지 않는다.

When to use

  • "○○ 회사 직원 규모가 얼마나 돼? 국민연금 가입자수로 보자"
  • "이 사업장 당월 국민연금 고지금액이 얼마야?"
  • "최근 인원이 늘었는지 줄었는지 월별로 보자"

Prerequisites

  • 인터넷 연결, python3
  • scripts/national_pension_workplace.py helper
  • hosted/self-host k-skill-proxy의 /v1/national-pension/workplace 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 국민연금공단_국민연금 가입 사업장 내역 활용신청이 되어 있어야 한다.

Inputs

  • --name: 사업장명(상호) — 필수
  • --b-no: 사업자등록번호(하이픈 허용). 앞 6자리만 prefix 필터로 쓰인다.

Privacy boundary

  • 국민연금 데이터는 사업자번호 앞 6자리만 공개되므로, 6자리 일치 + 상호 유사 후보를 나열할 뿐 사업장 동일성을 단정하지 않는다.
  • 공개 범위는 법인·근로자 일정 규모 이상 사업장 위주이며, 소규모/개인 사업장은 미공개일 수 있다.

CLI examples

python3 national-pension-workplace/scripts/national_pension_workplace.py \
  --name "삼성전자(주)" --b-no 124-81-00998

Failure modes

  • 400 bad_request: 사업장명을 주지 않음.
  • 503 upstream_not_configured: 프록시 서버에 DATA_GO_KR_API_KEY 없음.
  • 502 upstream_forbidden: 프록시 키가 3046071에 활용신청되지 않음.
  • 후보 다수: selected_candidate가 null — 사용자가 후보 목록에서 특정한다.

Official surfaces

  • 공공데이터포털: https://www.data.go.kr/data/3046071/openapi.do
  • upstream: https://apis.data.go.kr/B552015/NpsBplcInfoInqireServiceV2 (요청 파라미터 camelCase)
  • 프록시 route: GET /v1/national-pension/workplace
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