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x402 Dev Console

v1.0.0

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Live Market Data Feed

v2.0.0DataTools 4 actions
Use with an LLMTry in Playground

SERVER URL

http://localhost:3000/api/mcp-server/market-data-stream

CONNECTION JSON

{
  "mcpServers": {
    "market-data-stream": {
      "command": "npx",
      "args": [
        "mcp-remote@latest",
        "http://localhost:3000/api/mcp-server/market-data-stream"
      ]
    }
  }
}

Learn more about supported MCP clients

MCP HOST CONNECTIONS

Connect this MCP server directly to your AI assistant tools by using the JSON config above. Click on a logo to see a demo video.

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CursorWatch demo
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ClaudeWatch demo

DESCRIPTION

WebSocket streaming of real-time market data for crypto and stocks. Pay per minute of streaming with x402. Includes order book depth, trades, candles, and custom indicators.

AVAILABLE TOOLS

x402_stream_balance

Check streaming credits and auto-renew status

subscribe_ticker

Subscribe to real-time ticker (charges via x402)

subscribe_orderbook

Subscribe to order book updates (charges via x402)

get_historical_data

Fetch historical data (one-time x402 payment)

CODE EXAMPLES

JavaScript
// Market Data Stream with x402
import { Client } from '@modelcontextprotocol/sdk';

const client = new Client();
await client.connect('https://market-data.x402.app/mcp');

// Subscribe to real-time data (auto-pays per minute)
const stream = await client.callTool({
  name: 'subscribe_ticker',
  arguments: {
    symbols: ['SOL/USD', 'BTC/USD'],
    wallet: 'YourWallet...'
  }
});

Official MCP SDK Documentation:
https://github.com/modelcontextprotocol/modelcontextprotocol

Installation:
npm install @modelcontextprotocol/sdk

Authentication:
- For MCP Hosts (Cursor, Windsurf, Claude Desktop), saving the JSON config to your tool will automatically trigger the browser OAuth flow
- For programmatic access, obtain the OAuth token by running "npx mcp-remote <url>" in the terminal and follow the instructions

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