Financial Datasets MCP Server

Instructions

Args:
    ticker: Ticker symbol of the company (e.g. AAPL, GOOGL)

Implementation Reference

• server.py:139-162 (handler)

  The handler function decorated with @mcp.tool(), implementing the logic to fetch and return the current stock price snapshot as JSON for the given ticker using the Financial Datasets API.

  @mcp.tool()
  async def get_current_stock_price(ticker: str) -> str:
      """Get the current / latest price of a company.
  
      Args:
          ticker: Ticker symbol of the company (e.g. AAPL, GOOGL)
      """
      # Fetch data from the API
      url = f"{FINANCIAL_DATASETS_API_BASE}/prices/snapshot/?ticker={ticker}"
      data = await make_request(url)
  
      # Check if data is found
      if not data:
          return "Unable to fetch current price or no current price found."
  
      # Extract the current price
      snapshot = data.get("snapshot", {})
  
      # Check if current price is found
      if not snapshot:
          return "Unable to fetch current price or no current price found."
  
      # Stringify the current price
      return json.dumps(snapshot, indent=2)

• server.py:25-41 (helper)

  Helper function used by the get_current_stock_price tool (and others) to make authenticated HTTP requests to the Financial Datasets API.

  async def make_request(url: str) -> dict[str, any] | None:
      """Make a request to the Financial Datasets API with proper error handling."""
      # Load environment variables from .env file
      load_dotenv()
      
      headers = {}
      if api_key := os.environ.get("FINANCIAL_DATASETS_API_KEY"):
          headers["X-API-KEY"] = api_key
  
      async with httpx.AsyncClient() as client:
          try:
              response = await client.get(url, headers=headers, timeout=30.0)
              response.raise_for_status()
              return response.json()
          except Exception as e:
              return {"Error": str(e)}

• server.py:139-139 (registration)

  The @mcp.tool() decorator registers the get_current_stock_price function as an MCP tool with the name matching the function name.

  @mcp.tool()