x402 Web Extract
Pay-per-use web extract, token prices, and wallet balances via x402 USDC micropayments.
我该使用它吗
质量与安全性
基于对工具定义和协议合规性的自动分析。
上下文开销
这是每次将服务器的工具加载到模型上下文窗口时所消耗的大致 token 数。数值越高，可用于其他任务的注意力就越少。
安装
一键安装
将以下内容添加到你的 `claude_desktop_config.json` 文件中：
{
"mcpServers": {
"x402-web-extract": {
"url": "https://x402-web-extract.senpi-agent.workers.dev/mcp"
}
}
}远程端点
https://x402-web-extract.senpi-agent.workers.dev/mcpstreamable-http它能做什么
工具清单
工具（5）
🟢fetch_url(url)
Fetch any public URL and return a clean, readable markdown or JSON extract for AI agents. Pass the target as url (http/https). Costs 0.01 USDC on Base.
输入模式
{
"type": "object",
"properties": {
"url": {
"type": "string"
}
},
"required": [
"url"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}⚪token_price(address, symbol, chain)
Real-time USDC-denominated spot price for an EVM token by contract address or common symbol. Provide address (0x...) or symbol (ETH, USDC, USDT, WETH) and optional chain (base, ethereum, polygon, arbitrum, optimism, avalanche, default base). Costs 0.01 USDC on Base.
输入模式
{
"type": "object",
"properties": {
"address": {
"type": "string"
},
"symbol": {
"type": "string"
},
"chain": {
"type": "string"
}
},
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢wallet_balance(address, chain)
Query the native and USDC balance for any EVM wallet address. Provide address (0x...) and optional chain (base, ethereum, polygon, arbitrum, optimism, default base). Costs 0.02 USDC on Base.
输入模式
{
"type": "object",
"properties": {
"address": {
"type": "string"
},
"chain": {
"type": "string"
}
},
"required": [
"address"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢youtube_video(url)
Resolve any YouTube video URL (watch?v=, youtu.be, shorts, embed) to a direct MP4 download URL with title, uploader, and format metadata. Provide url (http/https). Costs 1.00 USDC on Base.
输入模式
{
"type": "object",
"properties": {
"url": {
"type": "string"
}
},
"required": [
"url"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢youtube_audio(url)
Resolve any YouTube video URL to its audio-only stream download URL (m4a/webm when available) with title, uploader, and format metadata. Provide url (http/https). Costs 0.50 USDC on Base.
输入模式
{
"type": "object",
"properties": {
"url": {
"type": "string"
}
},
"required": [
"url"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}社区
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