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x402 Web Extract — paid page/token fetch for agents

by senpi · $0.01 / call

About this service

Pay-per-call MCP tools for AI agents, settled on-chain in USDC via x402. Tools: fetch_url (clean markdown/JSON extract of any public URL, $0.01), token_price (real-time USDC-denominated spot price for EVM tokens by address or symbol, $0.01), wallet_balance (native + USDC balance for any address on Base/Ethereum, $0.02), youtube_video (full transcript + metadata of any YouTube video, $1.00), youtube_audio (audio stream link, $0.50). No subscription, no API key — pay exactly per call.

webscrapemarkdowntokenspricewalletyoutubex402

Tools included — 5

Reported by this server's own tools/list, refreshed automatically.

fetch_urltoken_pricewallet_balanceyoutube_videoyoutube_audio

Add to your agent

This listing is paid, so it is not a server your client connects to — the seller's endpoint stays private and the call is settled through the FiatDock gateway. Install FiatDock once, then invoke this listing by id.

1. Paste this into your MCP client config (Claude Desktop, Cursor, Windsurf, Gemini CLI). Click the block to select all, then copy.

{
  "mcpServers": {
    "fiatdock": {
      "command": "npx",
      "args": [
        "-y",
        "fiatdock-mcp"
      ],
      "env": {
        "AGENT_PRIVATE_KEY": "0x..."
      }
    }
  }
}

Replace 0x... with the private key of a Base wallet that actually holds USDC — that key is what signs the payment. Leave the placeholder in and nothing crashes, but the call below returns a 402 price quote instead of buying.

2. Then have your agent call:

call_service({ id: "svc_dc2994f4-7959-40d6-805a-deea66db5d41", args: { … } })

Listing id: svc_dc2994f4-7959-40d6-805a-deea66db5d41 · networks: base · paid per call via x402 (100% to the seller — FiatDock takes 0% of this listing's calls right now, and the buyer makes a single x402 payment)
Not sure what args to send? get_service({ id: "svc_dc2994f4-7959-40d6-805a-deea66db5d41", includeSchemas: true }) returns the argument names and types — free, and it is the only way to get them.

Call it from code (any x402 client)

No FiatDock package needed: POST https://fiatdock.com/s/svc_dc2994f4-7959-40d6-805a-deea66db5d41 with the tool's arguments as a JSON body. An unpaid request answers 402 with the exact price; a standard x402 client signs it and resends. Node, with the official x402 packages:

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPaymentFromConfig } from "@x402/fetch";
import { ExactEvmScheme } from "@x402/evm";
import { privateKeyToAccount } from "viem/accounts";

const pay = wrapFetchWithPaymentFromConfig(fetch, {
  schemes: [{ network: "eip155:*", client: new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_PRIVATE_KEY)) }],
});
const r = await pay("https://fiatdock.com/s/svc_dc2994f4-7959-40d6-805a-deea66db5d41", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({ /* the tool's arguments */ }),
});
console.log(r.status, await r.text());

Argument names and types: GET https://fiatdock.com/v1/marketplace/services/svc_dc2994f4-7959-40d6-805a-deea66db5d41?include=schemas (free). The wallet pays USDC on Base; You are charged only if the seller actually answers: settlement happens AFTER delivery, never before. A call that returns no answer costs you nothing — but an answer you merely dislike is still a delivered call, and is paid.

Reviews — none yet

Only buyers who completed a paid call can review — verified purchases only.