get-price-change
Retrieve cryptocurrency price change statistics over various time periods from major exchanges to analyze market trends and performance.
Instructions
Get price change statistics over different time periods
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| symbol | Yes | Trading pair symbol (e.g., BTC/USDT, ETH/USDT) | |
| exchange | No | Exchange to use (supported: binance, coinbase, kraken, kucoin, hyperliquid, huobi, bitfinex, bybit, okx, mexc) | binance |
Implementation Reference
- src/server.py:307-336 (handler)Handler function implementing the logic for the 'get-price-change' tool. Fetches current price and compares it against historical open prices from 1h, 24h, 7d, and 30d periods to calculate percentage changes.
elif name == "get-price-change": symbol = arguments.get("symbol", "").upper() # Get current price ticker = await exchange.fetch_ticker(symbol) current_price = ticker['last'] # Get historical prices timeframes = { "1h": (1, "1h"), "24h": (1, "1d"), "7d": (7, "1d"), "30d": (30, "1d") } changes = [] for label, (days, timeframe) in timeframes.items(): since = int((datetime.now() - timedelta(days=days)).timestamp() * 1000) ohlcv = await exchange.fetch_ohlcv(symbol, timeframe, since=since, limit=1) if ohlcv: start_price = ohlcv[0][1] # Open price change_pct = ((current_price - start_price) / start_price) * 100 changes.append(f"{label} change: {change_pct:+.2f}%") return [ types.TextContent( type="text", text=f"Price changes for {symbol} on {exchange_id.upper()}:\n\n" + "\n".join(changes) ) ] - src/server.py:185-199 (schema)Input schema definition for the 'get-price-change' tool, specifying required 'symbol' and optional 'exchange' parameters.
types.Tool( name="get-price-change", description="Get price change statistics over different time periods", inputSchema={ "type": "object", "properties": { "symbol": { "type": "string", "description": "Trading pair symbol (e.g., BTC/USDT, ETH/USDT)", }, "exchange": get_exchange_schema() }, "required": ["symbol"], }, ), - src/server.py:103-221 (registration)The tool is registered within the @server.list_tools() handler by including it in the returned list of available tools.
return [ # Market Data Tools types.Tool( name="get-price", description="Get current price of a cryptocurrency pair from a specific exchange", inputSchema={ "type": "object", "properties": { "symbol": { "type": "string", "description": "Trading pair symbol (e.g., BTC/USDT, ETH/USDT)", }, "exchange": get_exchange_schema() }, "required": ["symbol"], }, ), types.Tool( name="get-market-summary", description="Get detailed market summary for a cryptocurrency pair from a specific exchange", inputSchema={ "type": "object", "properties": { "symbol": { "type": "string", "description": "Trading pair symbol (e.g., BTC/USDT, ETH/USDT)", }, "exchange": get_exchange_schema() }, "required": ["symbol"], }, ), types.Tool( name="get-top-volumes", description="Get top cryptocurrencies by trading volume from a specific exchange", inputSchema={ "type": "object", "properties": { "limit": { "type": "number", "description": "Number of pairs to return (default: 5)", }, "exchange": get_exchange_schema() } }, ), types.Tool( name="list-exchanges", description="List all supported cryptocurrency exchanges", inputSchema={ "type": "object", "properties": {} }, ), # Historical Data Tools types.Tool( name="get-historical-ohlcv", description="Get historical OHLCV (candlestick) data for a trading pair", inputSchema={ "type": "object", "properties": { "symbol": { "type": "string", "description": "Trading pair symbol (e.g., BTC/USDT, ETH/USDT)", }, "timeframe": { "type": "string", "description": "Timeframe for candlesticks (e.g., 1m, 5m, 15m, 1h, 4h, 1d)", "enum": ["1m", "5m", "15m", "1h", "4h", "1d"], "default": "1h" }, "days_back": { "type": "number", "description": "Number of days of historical data to fetch (default: 7, max: 30)", "default": 7, "maximum": 30 }, "exchange": get_exchange_schema() }, "required": ["symbol"], }, ), types.Tool( name="get-price-change", description="Get price change statistics over different time periods", inputSchema={ "type": "object", "properties": { "symbol": { "type": "string", "description": "Trading pair symbol (e.g., BTC/USDT, ETH/USDT)", }, "exchange": get_exchange_schema() }, "required": ["symbol"], }, ), types.Tool( name="get-volume-history", description="Get trading volume history over time", inputSchema={ "type": "object", "properties": { "symbol": { "type": "string", "description": "Trading pair symbol (e.g., BTC/USDT, ETH/USDT)", }, "days": { "type": "number", "description": "Number of days of volume history (default: 7, max: 30)", "default": 7, "maximum": 30 }, "exchange": get_exchange_schema() }, "required": ["symbol"], }, ), ]