@agentek/tools/dist/esm/cryptoprices/tools.js

Blockchain tools for AI agents

import { z } from "zod";
import { createTool } from "../client.js";
export const getCryptoPriceTool = createTool({
    name: "getCryptoPrice",
    description: "Get the current price of a cryptocurrency in USD",
    parameters: z.object({
        symbol: z.string().describe("Cryptocurrency symbol (e.g., BTC, ETH, SOL) or CoinGecko ID (e.g., bitcoin, ethereum, solana) for better accuracy and wider asset support")
    }),
    execute: async (_client, args) => {
        const { symbol } = args;
        const normalizedSymbol = symbol.toUpperCase().trim();
        try {
            const response = await fetch(`https://api.coingecko.com/api/v3/simple/price?ids=${mapSymbolToId(normalizedSymbol)}&vs_currencies=usd`);
            if (!response.ok) {
                throw new Error(`CoinGecko API error: ${response.status} ${response.statusText}`);
            }
            const data = await response.json();
            const id = mapSymbolToId(normalizedSymbol);
            if (!data[id]) {
                throw new Error(`Price data not found for ${normalizedSymbol}`);
            }
            return {
                symbol: normalizedSymbol,
                price: data[id].usd,
                currency: "USD",
                timestamp: new Date().toISOString(),
                source: "CoinGecko"
            };
        }
        catch (error) {
            throw new Error(`Error fetching price for ${normalizedSymbol}: ${error instanceof Error ? error.message : String(error)}`);
        }
    }
});
// Map common symbols to CoinGecko IDs
function mapSymbolToId(symbol) {
    const mapping = {
        "BTC": "bitcoin",
        "ETH": "ethereum",
        "SOL": "solana",
        "AVAX": "avalanche-2",
        "MATIC": "matic-network",
        "BNB": "binancecoin",
        "DOT": "polkadot",
        "ADA": "cardano",
        "XRP": "ripple",
        "DOGE": "dogecoin",
        "SHIB": "shiba-inu",
        "ARB": "arbitrum",
        "OP": "optimism",
        "LINK": "chainlink",
        "UNI": "uniswap",
        "AAVE": "aave",
    };
    return mapping[symbol] || symbol.toLowerCase();
}
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