# Korea Public Data (npm · @appmonster/mcp-public-data)

Korean public data MCP: business status, holidays, addresses, apartment trades. 공공데이터 MCP.

- Trust score: 76/100 (medium)
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-10-24

## Components

- npm · `@appmonster/mcp-public-data`: 76/100 (this document), [markdown](https://verifymcp.io/servers/groove79-mcp-public-data/appmonster-mcp-public-data.md), [page](https://verifymcp.io/servers/groove79-mcp-public-data/appmonster-mcp-public-data)

## Channel facts

- Registry: `npm`
- Package: `@appmonster/mcp-public-data`
- Version: `0.1.3`
- 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 2026-10-24.

- **Supply Chain Security**: 81/100
  - No malware found by supply-chain analysis.
  - CVE check failed: a known high-severity CVE affects zod 3.25.76, a direct dependency. A fixed version is available.
  - No install/post-install scripts declared.
  - 30 of 93 dependencies flagged as unhealthy.
- **Provenance & Transparency**: 100/100
  - Source repository is publicly reachable at the declared URL.
  - Cryptographically verified build provenance (signed, bound to groove79/kmcp).
  - Clear OSI-approved license (MIT).
  - Actively maintained (last published 0 days ago).
  - Publishes a security disclosure policy (SECURITY.md).
- **Schema Quality & AI Usability**: 80/100
  - AI-judged instruction clarity (excellent).
  - Tool/resource definitions use about 508 tokens (~101/item across 5 items; 5 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 0/100
  - Stability not yet verified: not enough scan history yet (needs a 30-day window).
- **Tool Coverage**: 85/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 56% of tool parameters carry a description.
- **Tool Safety**: 100/100
  - No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.
  - We read all 5 captured tool definition(s), and no name or description among them implies an irreversible operation.
  - An AI judge read all 5 captured unit(s) of tool text and found none that tries to manipulate the model reading it.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

**Unverified: 1 category.** A category scored 0 because we could not verify it: a data source with nothing on this package, evidence we could not reach, or a check we could not run. We only credit what we can confirm.

## Install

### How do I install the Korea Public Data MCP server?

Korea Public Data runs locally as an npm package, launched with npx -y @appmonster/mcp-public-data. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.

### Claude

```bash
claude mcp add groove79-mcp-public-data -- npx -y @appmonster/mcp-public-data
```

### Cursor

```json
{
  "mcpServers": {
    "groove79-mcp-public-data": {
      "command": "npx",
      "args": [
        "-y",
        "@appmonster/mcp-public-data"
      ]
    }
  }
}
```

### VS Code

```json
{
  "servers": {
    "groove79-mcp-public-data": {
      "command": "npx",
      "args": [
        "-y",
        "@appmonster/mcp-public-data"
      ]
    }
  }
}
```

### Codex

```bash
codex mcp add groove79-mcp-public-data -- npx -y @appmonster/mcp-public-data
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "groove79-mcp-public-data": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "@appmonster/mcp-public-data"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add groove79-mcp-public-data --command npx --arg -y --arg @appmonster/mcp-public-data
```

### Hermes

```yaml
mcp_servers:
  groove79-mcp-public-data:
    command: "npx"
    args: ["-y", "@appmonster/mcp-public-data"]
```

### Netclaw

```json
{
  "McpServers": {
    "groove79-mcp-public-data": {
      "Transport": "stdio",
      "Command": "npx",
      "Arguments": [
        "-y",
        "@appmonster/mcp-public-data"
      ]
    }
  }
}
```

### Vellum

```bash
assistant mcp add groove79-mcp-public-data -t stdio -c npx -a -y @appmonster/mcp-public-data
```

### Other

```json
{
  "mcpServers": {
    "groove79-mcp-public-data": {
      "command": "npx",
      "args": [
        "-y",
        "@appmonster/mcp-public-data"
      ]
    }
  }
}
```

## 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.

### 2026-10-24 (score 76, +16)

- [security improvement] Malware scan: unverified → pass

### 2026-10-23 (score 60)

First indexed and scored.

## MCP tools (5)

### `kr_check_business` (~91 tokens)

Check Korean business registration numbers (사업자등록번호) with the National Tax Service: active / suspended / closed, tax type, closure date. Up to 100 numbers per call. 사업자 상태를 조회합니다. Use before registering a vendor or customer. Needs 10-digit numbers (dashes OK).

Input parameters:

- `numbers` (array, required): Business numbers, e.g. "123-45-67890"

### `kr_holidays` (~75 tokens)

List Korean public holidays (incl. substitute holidays) for a year or a month, from the official KASI calendar. 공휴일·대체공휴일을 조회합니다. Use for delivery estimates, deadlines, scheduling. Needs year; month optional.

Input parameters:

- `month` (integer)
- `year` (integer, required)

### `kr_search_address` (~87 tokens)

Search and normalize a Korean address: returns road address, lot address, postal code, building name. 주소를 검색·정규화합니다(도로명·지번·우편번호). Use to validate shipping or business addresses. Needs a keyword like "테헤란로 152" or a building name.

Input parameters:

- `count` (integer)
- `keyword` (string, required)

### `kr_address_english` (~120 tokens)

Convert a Korean address (Hangul, with or without unit like 101동 1203호) into the official English address, split into shipping-form fields: street, unit, city, province, postal code, country. For international shipping to Korea, overseas sellers, forwarders and visa or bank forms. 한글 주소를 해외 배송용 영문 주소로 바꿉니다.

Input parameters:

- `address` (string, required): Korean address, e.g. 서울 강남구 테헤란로 152 101동 1203호

### `kr_apt_trades` (~135 tokens)

Apartment sale transactions (실거래가) for a district (5-digit 법정동코드) and month from MOLIT. 아파트 매매 실거래가를 조회합니다. Use for market price questions. Needs lawd_cd (e.g. 28185 = 인천 연수구) and year_month (YYYYMM).

Input parameters:

- `apartment` (string): Filter by apartment name (partial)
- `lawd_cd` (string, required): 5-digit district code (시군구). Find via kr_search_address → adminCode first 5 digits
- `year_month` (string, required): YYYYMM

## Diagnostics

Captured diagnostic sections: Provenance, Vulnerabilities, Dependencies. The full working is on the page: https://verifymcp.io/servers/groove79-mcp-public-data/appmonster-mcp-public-data#diagnostics

## Score history

- 2026-10-24: 76
- 2026-10-23: 60

## Common questions

### What is the Korea Public Data MCP server?

Korea Public Data is an MCP server listed in the public MCP registry as io.github.groove79/mcp-public-data. Korean public data MCP: business status, holidays, addresses, apartment trades. 공공데이터 MCP. This page covers its npm package (@appmonster/mcp-public-data).

### Is the Korea Public Data MCP server safe to use?

Korea Public Data scores 76 out of 100 on VerifyMCP. We recorded 1 known advisory against it as of 24 October 2026. It declares no install or post-install scripts. Its build provenance is signed and verified. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.

### What tools does the Korea Public Data MCP server expose?

Korea Public Data exposes 5 tools: kr_check_business, kr_holidays, kr_search_address, kr_address_english, kr_apt_trades. Their descriptions and schemas cost roughly 508 tokens of context every time the server is loaded.

### Is the Korea Public Data MCP server still maintained?

Korea Public Data is still listed as active in the MCP registry. We last reached this channel on 24 October 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.

### What licence is the Korea Public Data MCP server under?

Korea Public Data declares the MIT licence, which is OSI-approved. That covers the source only, and says nothing about the cost of any service it calls.

## Links

- npm package: https://www.npmjs.com/package/@appmonster/mcp-public-data
- Socket report: https://socket.dev/npm/package/@appmonster/mcp-public-data
- Repository: https://github.com/groove79/kmcp
- Website: https://appmonster.co.kr/
- Changelog RSS feed: https://verifymcp.io/servers/groove79-mcp-public-data/appmonster-mcp-public-data.xml
- Changelog JSON feed: https://verifymcp.io/servers/groove79-mcp-public-data/appmonster-mcp-public-data.json
- HTML version of this page: https://verifymcp.io/servers/groove79-mcp-public-data/appmonster-mcp-public-data