kr-groundtruth

Korean fact-verification tools for AI agents: business registration, address, DART, apt prices, laws

CommunityOnlineAPI key requiredGlobalFreeRead-only

What it can do

    What data it sees

    Do you need an account

    An API key from the service settings is required

    Korean fact-verification tools for AI agents: business registration, address, DART, apt prices, laws

    How to connect

    How to connect kr-groundtruth to Claude

    The server address to paste into Claude settings:

    https://kr-groundtruth-mcp.vercel.app/api/mcp

    1. Open Claude (claude.ai or the desktop app).
    2. Go to Settings → Connectors.
    3. Click Add custom connector.
    4. Paste the server address copied below into Remote MCP server URL and click Add.
    5. In a chat, click + → Connectors and switch the new connector on.

    Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

    Authorization

    After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

    How to connect kr-groundtruth to ChatGPT

    The server address to paste into ChatGPT settings:

    https://kr-groundtruth-mcp.vercel.app/api/mcp

    1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
    2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
    3. Open Settings → Connectors and click Create.
    4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
    5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
    6. In a new chat open + → Apps/Connectors and enable the connector.

    OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

    Authorization

    On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

    How to connect kr-groundtruth to Cursor

    The server address to paste into Cursor settings:

    https://kr-groundtruth-mcp.vercel.app/api/mcp

    Fastest: click Open in Cursor below and confirm the prompt.

    Manually:

    1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
    2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
    3. Save the file. The server appears in the MCP list; authorize it there if asked.

    Authorization

    If the service needs sign-in, an authorize button appears next to the server in the MCP list.

    Server tool list (8)

    Raw names from tools/list. Only developers need these.

    verify_business_registrationCost: 2 credits/call (cache hit: 1). 국세청 사업자등록번호 상태(계속사업자/휴업/폐업/미등록)와 과세유형을 조회합니다. 대표자명(representative_name)과 개업일(opened_date, YYYYMMDD)을 함께 주면 등록정보 진위확인까지 수행합니다. 한 번에 최대 100건. 결과 status: active | suspended | closed | not_registered.
    search_addressCost: 1 credit/call (cache hit: 1). 도로명주소·지번주소·건물명 키워드로 공식 주소를 검색해 정규화합니다. 우편번호(postal_code), 행정구역코드(adm_code), 아파트 실거래가 조회용 법정동코드 5자리(lawd_code), 영문주소를 반환합니다. 예: '세종대로 209', '역삼동 736-1', '삼성전자 본사'.
    search_corporationCost: 1 credit/call (cache hit: 1). 법인명으로 금융감독원 DART 등록 법인을 검색해 corp_code(8자리 고유번호)를 찾습니다. 상장사는 stock_code가 함께 반환됩니다. lookup_corporation의 corp_code 입력으로 사용하세요.
    lookup_corporationCost: 2 credits/call (cache hit: 1). DART corp_code로 기업개황을 조회합니다: 정식 법인명, 대표자, 법인등록번호, 사업자등록번호, 주소, 업종코드, 설립일, 상장시장. corp_code를 모르면 먼저 search_corporation을 호출하세요.
    apartment_trade_pricesCost: 3 credits/call (cache hit: 1). 국토교통부 아파트 매매 실거래가를 시군구(법정동코드 5자리) + 계약월(YYYYMM) 단위로 조회합니다. lawd_code는 search_address 결과의 lawd_code를 사용하세요 (예: 강남구 11680). deal_amount_krw는 원 단위 정수입니다.
    search_lawCost: 2 credits/call (cache hit: 1). 법제처 국가법령정보센터에서 현행 법령(법률·시행령·시행규칙)을 검색합니다. 법령ID, 소관부처, 공포/시행일, 상세 링크를 반환합니다. 예: '개인정보 보호법', '주택임대차보호법'.
    get_balanceCost: free. 현재 API 키 계정의 크레딧 잔액과 충전 URL 안내를 반환합니다.
    get_pricingCost: free. 툴별 크레딧 비용, 크레딧 단가(KRW), 충전 방법을 반환합니다.