asset-price-mcp/build/tools/list-assets.js

An MCP-compatible service that provides real-time asset prices including precious metals, cryptocurrencies, and more

export const registerListAssetsTool = (server, services) => {
    server.tool("list_assets", "List all supported assets available for price queries", {}, async () => {
        const allAssets = [];
        for (const service of services) {
            try {
                const assets = await service.getSupportedAssets();
                // Add source info or handle duplicates?
                // For now, just concat and maybe dedupe by symbol
                allAssets.push(...assets);
            }
            catch (error) {
                console.error(`Failed to fetch assets from ${service.getName()}:`, error);
            }
        }
        // Deduplicate by symbol
        const seen = new Set();
        const uniqueAssets = allAssets.filter(asset => {
            if (seen.has(asset.symbol))
                return false;
            seen.add(asset.symbol);
            return true;
        });
        return {
            content: [{
                    type: "text",
                    text: JSON.stringify(uniqueAssets, null, 2)
                }]
        };
    });
};