Paloma DEX MCP Server

Instructions

Args:
    symbol: ETF token symbol (e.g., PAGOLD, PABTC2X, PACBOA)

Returns:
    JSON string with ETF price data.

Implementation Reference

• padex.py:956-989 (handler)

  The main handler function decorated with @mcp.tool() that implements the get_etf_price_by_symbol tool. It fetches ETF price data from the Paloma DEX API using an HTTP GET request to the /price endpoint with the symbol parameter and returns formatted JSON.

  @mcp.tool()
  async def get_etf_price_by_symbol(ctx: Context, symbol: str) -> str:
      """Get ETF price by token symbol from Paloma DEX.
      
      Args:
          symbol: ETF token symbol (e.g., PAGOLD, PABTC2X, PACBOA)
      
      Returns:
          JSON string with ETF price data.
      """
      try:
          paloma_ctx = ctx.request_context.lifespan_context
          
          # Call Paloma DEX API to get price by symbol
          api_url = f"https://api.palomadex.com/etfapi/v1/price?symbol={symbol}"
          
          response = await paloma_ctx.http_client.get(api_url)
          if response.status_code == 200:
              price_data = response.json()
              
              result = {
                  "symbol": symbol,
                  "pricing": price_data,
                  "timestamp": asyncio.get_event_loop().time(),
                  "source": "paloma_dex_api_symbol"
              }
              
              return json.dumps(result, indent=2)
          else:
              return f"Error: Failed to fetch ETF price for symbol {symbol}. Status: {response.status_code}"
                  
      except Exception as e:
          logger.error(f"Error getting ETF price by symbol: {e}")
          return f"Error getting ETF price by symbol: {str(e)}"