x402 Web Extract

Pay-per-use web extract, token prices, and wallet balances via x402 USDC micropayments.

Should I use this

Quality & Safety

A
Description quality
100%
Schema completeness
78%
Naming quality
84%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~510Tokens (tool definitions)
~424 BTypical response size
Minimal attention impact (0.40% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "x402-web-extract": {
      "url": "https://x402-web-extract.senpi-agent.workers.dev/mcp"
    }
  }
}

Remote endpoints

https://x402-web-extract.senpi-agent.workers.dev/mcpstreamable-http

What it can do

Tool inventory

Tools (5)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢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.

Input Schema

{
  "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.

Input Schema

{
  "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.

Input Schema

{
  "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.

Input Schema

{
  "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.

Input Schema

{
  "type": "object",
  "properties": {
    "url": {
      "type": "string"
    }
  },
  "required": [
    "url"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Community

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Evidence

Recent observations

verifiedversion not recorded5 tools
verifiedversion not recorded5 tools