Sayou Opendart Mcp

io.github.kcw2034-sayouzonePublished by GitHub account kcw2034-sayouzonev0.0.6Updated Oct 24, 2026

An MCP server that provides OpenDart API

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Overview

AI-generated overview

An MCP server that retrieves Korean corporate disclosure and financial statement data from the OpenDART API for an assistant.

What you can do
It wraps the OpenDART (Financial Supervisory Service electronic disclosure) API and exposes it as MCP tools, with parsers for disclosure filings, periodic-report financial statements, material-facts reports, ownership disclosures, registration statements, and document/document-viewer endpoints. The README shows it answering questions about a company's financial statements, balance sheet, income statement, cash flow, and dividend information. It is built with FastMCP and packaged as a Python project.
When to use it
Use it when an assistant needs Korean listed-company fundamentals, financial statements, or disclosure filings from OpenDART, for example to look up a company's financials or dividend details. It is not a general web search or market-price tool.
Requirements
Runs as a local stdio process installed from the PyPI package sayou-opendart-mcp; the README also shows a FastMCP install command with pandas and sayou-stock. Requires an OpenDART API key supplied through the DART_API_KEY environment variable. Desktop-only; no remote endpoint is declared in the manifest.
Before you install
The DART_API_KEY environment variable is a secret and must be provided; the README's install example shows a key value in the command line, which can leak into shell history or logs. The README also documents Cloud Run deployment with Google Cloud service accounts and Secret Manager access, and a settings file containing a bearer ID token. Data is fetched from the third-party OpenDART service.

Installation

In SourceWeft

  1. Open Sayou Opendart Mcp in the dashboard and add it to a workspace.
  2. Enable the server for the chats that should use its tools.

Desktop only via STDIO. STDIO servers start a local process, so they need the SourceWeft desktop host.

Other MCP clients

Follow the launch instructions in the repository.

README

OpenDart MCP Server

mcp-name: io.github.kcw2034-sayouzone/sayou-opendart-mcp

OpenDart Crawling and Caching MCP Server

주식 정보를 OpenDart에서 종목 기본 정보 (펀더멘탈, fundamental)를 가져온다.

모델 컨텍스트 프로토콜 (Model Context Protocol, MCP) 서버를 빌도하고 배포
MCP 서버는 LLM에 외부 도구 및 서비스에 대한 액세스 권한을 제공
FastMCP를 사용, MCP 서버와 클라이언트를 빌드하는 빠르고 Pythonic한 방법을 제공

  • Gemini 3.0 Pro
  • Gemini 3.0 Flash
참조 문서

패키지 구조

├── opendart/│   ├── __init__.py          # 공개 API 정의│   ├── client.py            # OpenDART HTTP 클라이언트│   ├── models.py            # 데이터 클래스 (DTO)│   ├── utils.py             # 유틸리티 함수 & 상수│   ├── crawler.py           # 통합 인터페이스 (Facade)│   ├── examples.py          # 사용 예시│   └── parsers/│       ├── __init__.py│       ├── document.py        # 문서 API 파서│       ├── document_viewer.py # 문서 뷰어 API 파서│       ├── disclosure.py      # 공시정보 API 파서│       ├── finance.py         # 정기보고서 재무정보 API 파서│       ├── material_facts.py  # 주요사항보고서 주요정보 API 파서│       ├── ownership.py       # 지분공시 종합정보 API 파서│       ├── registration.py    # 증권신고서 주요정보 API 파서│       └── reports.py         # 정기보고서 주요정보 API 파서├── tests/│   ├── test_opendart.py       # OpenDART 테스트 (로컬 소스)│   └── test_opendart_.py      # OpenDART 테스트 (sayou-stock)├── __init__.py├── .gitignore├── Dockerfile├── LICENSE├── opendarts.py├── pyproject.toml├── README.md├── requirements.txt└── server.py

배포 (Cloud Run)

bash
MCP_SERVER_NAME=opendart-mcp-serverexport GOOGLE_CLOUD_PROJECT=your-project-id
GCP 설정 (1회만)

서비스 활성화

bash
gcloud services enable \  run.googleapis.com \  artifactregistry.googleapis.com \  cloudbuild.googleapis.com

서비스 계정 생성

bash
gcloud iam service-accounts create mcp-server-sa --display-name="MCP Server Service Account"
bash
gcloud projects add-iam-policy-binding $GOOGLE_CLOUD_PROJECT \    --member=user:$(gcloud config get-value account) \    --role='roles/run.invoker'
bash
gcloud projects add-iam-policy-binding $GOOGLE_CLOUD_PROJECT \    --member=serviceAccount:mcp-server-sa@$GOOGLE_CLOUD_PROJECT.iam.gserviceaccount.com \    --role="roles/secretmanager.secretAccessor"
배포

패키지 소스로 테스트

bash
gcloud run deploy $MCP_SERVER_NAME \    --service-account=mcp-server-sa@$GOOGLE_CLOUD_PROJECT.iam.gserviceaccount.com \    --no-allow-unauthenticated \    --region=us-central1 \    --source=. \    --labels=dev-tutorial=stocks-mcp

패키지 소스 및 접근권한 테스트

bash
gcloud run deploy $MCP_SERVER_NAME \    --region=us-central1 \    --source=. \    --labels=dev-tutorial=stocks-mcp

sayou-stock 설치 및 테스트

bash
gcloud run deploy $MCP_SERVER_NAME \    --service-account=mcp-server-sa@$GOOGLE_CLOUD_PROJECT.iam.gserviceaccount.com \    --no-allow-unauthenticated \    --region=us-central1 \    --source=. \    --labels=dev-tutorial=stocks-mcp

sayou-stock 설치 및 접근권한 테스트

bash
gcloud run deploy $MCP_SERVER_NAME \    --region=us-central1 \    --source=. \    --labels=dev-tutorial=stocks-mcp

Tests

Gemini 테스트
bash
export PROJECT_NUMBER=$(gcloud projects describe $GOOGLE_CLOUD_PROJECT --format="value(projectNumber)")export ID_TOKEN=$(gcloud auth print-identity-token)

settings.json

json
{    "ide": {        "hasSeenNudge": true    },    "mcpServers": {        "opendart-remote": {            "httpUrl": "https://opendart-mcp-server-$PROJECT_NUMBER.us-central1.run.app/mcp",            "headers": {                "Authorization": "Bearer $ID_TOKEN"            }        }    },    "security": {        "auth": {            "selectedType": "gemini-api-key"        }    }}

Copy settings.json file to ~/.gemini/ directory.

bash
cp settings.json ~/.gemini/
bash
gemini
  • 삼성전자
  • 삼성전자 재무제표 보여줘
  • 삼성전자 재무 상태를 보여줘
  • 삼성전자 재무제표 보여줘
  • 2024년 삼성전자 재무제표 보여줘
  • 2025년 3분기 삼성전자 재무제표 보여줘
  • 삼성전자 배당 정보를 보여줘
  • 삼성전자 배당에 대해 알려줘
  • 삼성전자 배당이 어떻게 되지?
  • 2025년 삼성전자 배당이 어떻게 되지?
  • 삼성전자 최근 배당 성향에 대해 알려줘
  • 삼성전자가 지급하는 보상에 대해 알려줘
bash
Loaded cached credentials.
 ███            █████████  ██████████ ██████   ██████ █████ ██████   █████ █████░░░███         ███░░░░░███░░███░░░░░█░░██████ ██████ ░░███ ░░██████ ░░███ ░░███  ░░░███      ███     ░░░  ░███  █ ░  ░███░█████░███  ░███  ░███░███ ░███  ░███    ░░░███   ░███          ░██████    ░███░░███ ░███  ░███  ░███░░███░███  ░███     ███░    ░███    █████ ░███░░█    ░███ ░░░  ░███  ░███  ░███ ░░██████  ░███   ███░      ░░███  ░░███  ░███ ░   █ ░███      ░███  ░███  ░███  ░░█████  ░███ ███░         ░░█████████  ██████████ █████     █████ █████ █████  ░░█████ █████░░░            ░░░░░░░░░  ░░░░░░░░░░ ░░░░░     ░░░░░ ░░░░░ ░░░░░    ░░░░░ ░░░░░
Tips for getting started:1. Ask questions, edit files, or run commands.2. Be specific for the best results.3. Create GEMINI.md files to customize your interactions with Gemini.4. /help for more information.
╭─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╮│ Gemini CLI update available! 0.14.0 → 0.15.0                                                                            ││ Installed via Homebrew. Please update with "brew upgrade".                                                              │╰─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯

⠋ Connecting to MCP servers... (1/2)
 Using: 2 MCP servers╭─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╮│ >   Type your message or @path/to/file                                                                                  │╰─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯ ~/.../src/sayou/mcp/stocks_mcp (main*)                                      no sandbox (see /docs)                                       auto

Claude 테스트

bash
cd src/sayoufastmcp install claude-desktop server.py --env DART_API_KEY=746df482bd123aa8acc6b8df2cd650bb67083299 --with pandas --with sayou-stock
text
prompt: opendart mcp server를 사용해서 삼성전자 주식 정보를 가져와줘.
output:삼성전자의 주식 정보를 OpenDart MCP server로 가져오겠습니다.삼성전자의 주식 정보를 OpenDart MCP server에서 가져왔습니다. 2025년 3분기 기준 주요 정보입니다:
## 📊 재무상태표 (2025년 9월 30일 기준)
**자산 현황**- **자산총계**: 325.5조원- 유동자산: 78.9조원  - 현금및현금성자산: 10.9조원  - 매출채권: 36.2조원  - 재고자산: 25.7조원- 비유동자산: 246.6조원  - 유형자산: 149.4조원  - 종속기업 투자: 59.1조원
**부채 및 자본 현황**- **부채총계**: 83.1조원  - 유동부채: 51.8조원  - 비유동부채: 31.4조원- **자본총계**: 242.4조원  - 이익잉여금: 243.1조원
## 💰 손익계산서 (2025년 3분기 누적)
- **매출액**: 173.1조원- **매출총이익**: 45.4조원- **영업이익**: 10.6조원- **분기순이익**: 19.8조원- **기본주당이익**: 2,954원
## 💵 배당 정보 (2025년 3분기)
**배당금**- 주당 현금배당금 (보통주): **1,102원**- 주당 현금배당금 (우선주): **1,102원**- 현금배당금 총액: 7.35조원
**배당 수익률 및 성향**- 현금배당수익률 (보통주): 1.3%- 현금배당수익률 (우선주): 1.7%- 현금배당성향: 29.5%
## 📈 현금흐름 (2025년 3분기)
- 영업활동 현금흐름: 51.5조원- 투자활동 현금흐름: -22.9조원- 재무활동 현금흐름: -19.4조원
전년 동기 대비 영업이익이 크게 개선되었으며, 안정적인 배당 정책을 유지하고 있습니다.

Deploy sayou-stock

bash
git push origin maingit tag sayou-stock-v0.1.1git push origin sayou-stock-v0.1.1

Errors

bash
> /mcp
Configured MCP servers:
🟢 stocks-remote - Ready (4 tools)  Tools:  - find_fnguide_data  - find_yahoofinance_data  - get_yahoofinance_fundamentals  - save_fundamentals_data_to_gcs
🟢 zoo-remote - Ready (2 tools, 1 prompt)  Tools:  - get_animal_details  - get_animals_by_species  Prompts:  - find

ℹ Gemini CLI update available! 0.14.0 → 0.15.0  Installed via Homebrew. Please update with "brew upgrade".
 Using: 2 MCP servers╭─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╮│ >   Type your message or @path/to/file                                                                                  │╰─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯ ~/.../src/sayou/mcp/stocks_mcp (main*)                     no sandbox (see /docs)                                     auto
bash
> 삼성전자
ℹ Gemini CLI update available! 0.14.0 → 0.15.0  Installed via Homebrew. Please update with "brew upgrade".╭─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╮│ x  find_fnguide_data (stocks-remote MCP Server) {"stock":"삼성전자"}                                                      ││                                                                                                                         ││    MCP tool 'find_fnguide_data' reported tool error for function call: {"name":"find_fnguide_data","args":{"stock":"삼성전자"}} with  ││    response: [{"functionResponse":{"name":"find_fnguide_data","response":{"error":{"content":[{"type":"text","text":"Error calling tool ││    'find_fnguide_data': BrowserType.launch: Executable doesn't exist at                                                                     ││    /root/.cache/ms-playwright/chromium_headless_shell-1194/chrome-linux/headless_shell\n╔══════════════════════════════════════════════════ ││    ══════════╗\n║ Looks like Playwright was just installed or updated.       ║\n║ Please run the following command to download new          ││    browsers: ║\n║                                                            ║\n║     playwright install                                    ││    ║\n║                                                            ║\n║ <3 Playwright Team                                                  ││    ║\n╚════════════════════════════════════════════════════════════╝"}],"isError":true}}}}]                                                 │╰─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯╭─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╮│ -  Shell playwright install [current working directory /Users/seongjungkim/Development/sayouzone/base-framework/src/sayou/mcp/stocks_mcp] … │╰─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯

References

Source: README.md at commit 804fffd

Tools

0
SourceWeft has not started this package in its sandbox yet, so its tools are not known.

Version history

1
  1. v0.0.6LatestSep 16, 2026

Score

50% of the applicable checks met

How complete this listing is, computed from the registry entry, the endpoint and public sources. Not a rating of the server and not a statement that it is safe or working today: reachability is a dated check, and no installs or reviews go into the score.

  • Reached in the last 30 days25 pts

    Keep the endpoint answering the MCP handshake; SourceWeft probes it every 30 days.

  • Auth declared10 pts

    Declare the credential headers in the registry entry, or keep the endpoint answering the probe so its auth can be classified.

  • Tools listed15 pts

    Answer tools/list without a credential, or ship a package that starts in a sandbox without one.

  • DescriptionRequired15 pts
  • Logo10 pts
  • Documentation15 pts
  • License10 pts