x402 Web Extract MCP server

x402 Web Extract is a remote MCP server that gives an AI agent 5 tools, among them fetch_url, token_price, wallet_balance. It answers at https://x402-web-extract.senpi-agent.workers.dev/mcp over streamable HTTP, and it listed its tools to an anonymous client, so no sign-in was needed for that. Our probes reached it 10 of 10 times since 4 September 2026; the last check, on 18 October 2026, succeeded.

Status

Answering

Tools

Reliability

10 of 10 checks

Response time

489 ms

Transport

streamable HTTP

Last checked

18 October 2026

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

Description as the publisher wrote it.

The 5 tools x402 Web Extract offers

Tool	What it does
`fetch_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. Inputs: url
`token_price`	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) Inputs: address, symbol, chain
`wallet_balance`	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. Inputs: address, chain
`youtube_audio`	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. Inputs: url
`youtube_video`	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. Inputs: url

Add x402 Web Extract to your AI client

Every block below points at https://x402-web-extract.senpi-agent.workers.dev/mcp. Pick your client and copy.

Claude Code: one command in your terminal

claude mcp add --transport http x402-web-extract https://x402-web-extract.senpi-agent.workers.dev/mcp

Claude Desktop: claude_desktop_config.json

{
  "mcpServers": {
    "x402-web-extract": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://x402-web-extract.senpi-agent.workers.dev/mcp"]
    }
  }
}

Cursor: ~/.cursor/mcp.json, or .cursor/mcp.json in a project

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

VS Code and GitHub Copilot: .vscode/mcp.json

{
  "servers": {
    "x402-web-extract": {
      "type": "http",
      "url": "https://x402-web-extract.senpi-agent.workers.dev/mcp"
    }
  }
}

Zed: Zed settings.json

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

Windsurf: ~/.codeium/mcp_config.json

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

JetBrains AI Assistant: Settings, Tools, AI Assistant, MCP, New MCP Server, as JSON

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

Continue: .continue/mcpServers/neuronto.yaml

name: x402 Web Extract
version: 0.0.1
schema: v1
mcpServers:
  - name: x402 Web Extract
    type: streamable-http
    url: https://x402-web-extract.senpi-agent.workers.dev/mcp

Gemini CLI: ~/.gemini/settings.json

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

Codex CLI: MCP server config

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

Warp: MCP servers, + Add, paste JSON

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

Goose: a one-click extension link

goose://extension?url=https%3A%2F%2Fx402-web-extract.senpi-agent.workers.dev%2Fmcp&type=streamable_http&id=x402-web-extract&name=x402%20Web%20Extract

Is x402 Web Extract up right now?

It answered our last check on 18 October 2026 in 489 ms. Over 10 checks since 4 September 2026 it answered 10. Status here comes from Neuronto's own probes, not from the publisher.

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Fetcher19 tools io.github.DarthSander/agentdata-nl51 tools io.github.MarvinRey7879/framefetch4 tools Munchausen Crypto Analytics7 tools MicroScrape4 tools Crypto Market Pulse8 tools

Questions about x402 Web Extract

How many tools does x402 Web Extract have?

5, as returned by the server's own tools/list on 2 September 2026: fetch_url, token_price, wallet_balance, youtube_audio, youtube_video.

Is x402 Web Extract down?

It answered our last check on 18 October 2026 in 489 ms. Over 10 checks since 4 September 2026 it answered 10.

How do I add x402 Web Extract to Cursor?

Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://x402-web-extract.senpi-agent.workers.dev/mcp. The exact JSON is above, with the same setup for Claude Code, Claude Desktop, VS Code, Windsurf, Zed, Gemini CLI and the rest.

Does x402 Web Extract need an API key?

It listed its tools to an anonymous client, so reading the tool list needs no key. Individual tools can still ask for credentials in their own inputs.

Where this comes from

Publisher: io.github.senpi-station. Endpoint host: x402-web-extract.senpi-agent.workers.dev. ARD identifier: urn:air:io.github.senpi-station:mcp:x402-web-extract. First indexed 1 September 2026. The tools are exactly what the server returned; nothing on this page is inferred from its name. Ranking in Neuronto search is never for sale.

Is this your server? Get a message the day it stops answering or its tools change: monitoring, 14 days free. Or claim the domain to manage how it is listed.