# io.github.wujinkim/korea-business-verify (npm · korea-business-verify)

한국 사업자 검증 액션 MCP 서버 — 진위확인·휴폐업·과세유형·세금계산서 발행 가능 여부 (국세청 공공데이터 기반)

- Trust score: 67/100 (medium)
- Change this week: +43
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-08-03

## Components

- npm · `korea-business-verify`: 67/100 (this document), [markdown](https://verifymcp.io/servers/wujinkim-korea-business-verify/korea-business-verify.md), [page](https://verifymcp.io/servers/wujinkim-korea-business-verify/korea-business-verify)

## Channel facts

- Registry: `npm`
- Package: `korea-business-verify`
- Version: `0.1.1`
- Transport: `stdio`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. Scores are 0–100 per category. Scoring method: https://verifymcp.io/docs/scoring (what has changed: https://verifymcp.io/docs/scoring/changelog)

Scored 2026-08-03.

- **Supply Chain Security**: 86/100
  - No malware found by supply-chain analysis.
  - Only part of the dependency tree could be resolved (94 of 98), so this covers what we could see, not the whole tree.
  - No install/post-install scripts declared.
  - Only part of the dependency tree could be resolved (94 of 98), so this covers what we could see, not the whole tree.
- **Provenance & Transparency**: 45/100
  - Source repository is publicly reachable at the declared URL.
  - Provenance check failed: no build-provenance attestation is published.
  - Clear OSI-approved license (MIT).
  - Actively maintained (last published 25 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 71/100
  - AI-judged instruction clarity (good).
  - Tool/resource definitions use about 323 tokens (~64/item across 5 items; 5 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 23/100
  - Stability observed for 7 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **Tool Coverage**: 100/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 100% of tool parameters carry a description.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

## Install

### Claude

```bash
claude mcp add wujinkim-korea-business-verify -- npx -y korea-business-verify
```

### Codex

```bash
codex mcp add wujinkim-korea-business-verify -- npx -y korea-business-verify
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "wujinkim-korea-business-verify": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "korea-business-verify"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add wujinkim-korea-business-verify --command npx --arg -y --arg korea-business-verify
```

### Hermes

```yaml
mcp_servers:
  wujinkim-korea-business-verify:
    command: "npx"
    args: ["-y", "korea-business-verify"]
```

### Other

```json
{
  "mcpServers": {
    "wujinkim-korea-business-verify": {
      "command": "npx",
      "args": [
        "-y",
        "korea-business-verify"
      ]
    }
  }
}
```

## Changelog

Every change recorded for this component, newest first. Days that predate change tracking, or that we cannot explain, say so: "we were watching and nothing happened" and "we were not watching" are different claims.

### 2026-08-02 (score 67, +62)

- [security regression] Provenance: unverified → fail
- [security improvement] Known CVEs: unverified → partial
- [security improvement] Install scripts: unverified → pass
- [security improvement] Malware scan: unverified → pass
- [functional improvement] Schema quality: unverified → good
- [functional improvement] MCP protocol: unverified → pass
- [functional improvement] Maintenance: unverified → pass
- [functional improvement] Stability: unverified → 0.20
- [functional improvement] Dependency health: unverified → partial
- [functional improvement] License: unverified → pass
- [functional improvement] Tool coverage: unverified → 100
- [functional] Licence: MIT

### 2026-08-01 (score 5, −16)

- [functional regression] Tool coverage: 100 → unverified

### 2026-07-31 (score 21, −3)

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-07-30 (score 24, −22)

- [functional regression] Tool coverage: 100 → unverified

### 2026-07-28 (score 46, +22)

- [functional regression] Security disclosure: unverified → fail
- [functional improvement] Tool coverage: unverified → 100
- [functional] First check of Schema quality: fail
- [functional] First check of Tool coverage: 100
- [functional] First check of Schema quality: unverified
- [functional] First check of Schema quality: pass

### 2026-07-27 (score 24)

First indexed and scored.

## MCP tools (5)

### `verify_business` (~105 tokens)

한국 사업자등록정보 진위확인. 국세청 등록정보와 입력(사업자번호·대표자명·개업일자)의 일치 여부. 대표자명은 검증 즉시 폐기되며 저장되지 않습니다.

Input parameters:

- `business_no` (string, required): 사업자등록번호 (하이픈 무관)
- `opening_date` (string, required): 개업일자 (YYYYMMDD)
- `representative_name` (string, required): 대표자 성명

### `check_business_status` (~47 tokens)

사업자 휴폐업 상태·과세유형·폐업일자 조회. 호출 빈도가 가장 높은 도구.

Input parameters:

- `business_no` (string, required): 사업자등록번호

### `batch_check_status` (~49 tokens)

최대 100건 사업자 상태 일괄 조회. 경비처리·정산 자동화용.

Input parameters:

- `business_numbers` (array, required): 사업자번호 목록 (최대 100)

### `check_invoice_eligibility` (~63 tokens)

과세유형·휴폐업 상태를 종합해 세금계산서 수취 가능 여부 판정 + 근거. 순수 래퍼 대비 차별화 도구.

Input parameters:

- `business_no` (string, required): 사업자등록번호

### `explain_kr_tax_type` (~59 tokens)

한국 과세유형(일반/간이/면세/비과세)의 실무 의미 해설. API 호출 없음.

Input parameters:

- `tax_type` (string): 과세유형 문자열 (생략 시 전체 목록)

## Diagnostics

Captured diagnostic sections: Provenance, Dependencies. The full working is on the page: https://verifymcp.io/servers/wujinkim-korea-business-verify/korea-business-verify#diagnostics

## Score history

- 2026-08-03: 67
- 2026-08-02: 67
- 2026-08-01: 5
- 2026-07-31: 21
- 2026-07-30: 24
- 2026-07-28: 46
- 2026-07-27: 24

## Links

- npm package: https://www.npmjs.com/package/korea-business-verify
- Socket report: https://socket.dev/npm/package/korea-business-verify
- Repository: https://github.com/wujinkim/korea-business-verify
- Changelog RSS feed: https://verifymcp.io/servers/wujinkim-korea-business-verify/korea-business-verify/changelog.xml
- Changelog JSON feed: https://verifymcp.io/servers/wujinkim-korea-business-verify/korea-business-verify/changelog.json
- HTML version of this page: https://verifymcp.io/servers/wujinkim-korea-business-verify/korea-business-verify