smard-x402
Paywalled SMARD day-ahead electricity prices (DE-LU, 15鈥憁inute resolution) via x402 on Base mainnet.
可用工具 （5 个）
该服务在 MCP 协议中暴露的工具，AI 可按需调用
tavily_search 14 个参数 需填 1 项
Search the web for current information on any topic. Use for news, facts, or data beyond your knowledge cutoff. Returns snippets and source URLs.
必填参数：query
tavily_extract 6 个参数 需填 1 项
Extract content from URLs. Returns raw page content in markdown or text format.
必填参数：urls
tavily_crawl 11 个参数 需填 1 项
Crawl a website starting from a URL. Extracts content from pages with configurable depth and breadth.
必填参数：url
tavily_map 8 个参数 需填 1 项
Map a website's structure. Returns a list of URLs found starting from the base URL.
必填参数：url
tavily_research 2 个参数 需填 1 项
Perform comprehensive research on a given topic or question. Use this tool when you need to gather information from multiple sources to answer a question or complete a task. Returns a detailed response based on the research findings.
必填参数：input
服务介绍
SMARD Energy Prices (x402)
Paywalled SMARD day‑ahead electricity prices (DE‑LU, 15‑minute resolution) via x402 on Base mainnet. Hosted MCP (streamable‑http) + HTTP endpoint.
# Homepage
https://smard-energy-prices-x402.favo.workers.dev
# Endpoints
- HTTP:
GET https://smard-energy-prices-x402.favo.workers.dev/prices - MCP:
POST https://smard-energy-prices-x402.favo.workers.dev/mcp
# Pricing
$0.001 per call (USDC on Base). Requires X-PAYMENT header (exact scheme).
# MCP Connect (example)
{
"mcpServers": {
"smard-x402": {
"url": "https://smard-energy-prices-x402.favo.workers.dev/mcp",
"headers": {
"Accept": "application/json, text/event-stream"
}
}
}
}
# Node.js Example (x402)
import { createWalletClient, http } from "viem";
import { base } from "viem/chains";
import { privateKeyToAccount } from "viem/accounts";
import { createPaymentHeader, selectPaymentRequirements } from "x402/client";
const url = "https://smard-energy-prices-x402.favo.workers.dev/prices";
// 1) Get payment requirements
const res = await fetch(url);
const data = await res.json();
const req = selectPaymentRequirements(data.accepts, "base", "exact");
// 2) Create payment header
const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const client = createWalletClient({ account, chain: base, transport: http("https://mainnet.base.org") });
const xPayment = await createPaymentHeader(client, data.x402Version, req);
// 3) Call API with payment
const paid = await fetch(url, { headers: { "X-PAYMENT": xPayment } });
console.log(await paid.json());
# Notes
- MCP endpoint uses streamable‑http. Send
Accept: application/json, text/event-stream. - Data source: SMARD (DE‑LU), 15‑minute resolution.
