@nextnext/mcp-server

NextNext MCP Server - A sovereign shopping agent with crypto wallet integration.

Quick Start

Add to your Claude Desktop config (~/.config/Claude/claude_desktop_config.json):

{
  "mcpServers": {
    "nextnext": {
      "command": "npx",
      "args": ["-y", "@nextnext/mcp-server"]
    }
  }
}

Restart Claude Desktop and you're ready to shop!

Features

• Sovereign Identity: Create and manage your own crypto wallet
• Shopping Intents: Broadcast what you want to buy to the seller network
• Proposals: Receive and evaluate offers from sellers
• Crypto Payments: Pay sellers directly in USDC on Base

Available Tools

| Tool | Description | |------|-------------| | create_identity | Create a new shopping identity with wallet | | authenticate | Link existing identity using backup key | | get_identity | Check current identity and wallet status | | post_intent | Broadcast shopping request to sellers | | get_proposals | Fetch seller proposals for an intent | | create_burner_wallet | Create a new payment wallet | | get_burner_balance | Check wallet USDC/ETH balance | | list_burner_wallets | List all wallets | | pay_seller | Execute USDC payment to seller |

Example Usage

After adding to Claude Desktop, try:

"I want to buy a laptop sleeve for my 14-inch MacBook, budget around $50"

Claude will:

1. Create an identity for you (first time)
2. Post your shopping intent to the network
3. Wait for seller proposals
4. Present options for you to choose
5. Execute payment when you decide

Backup Key

When you first create an identity, you'll receive an encrypted backup key (enc1.xxx...). Save this key! You'll need it to restore your identity if the session is lost.

Network

• Chain: Base Sepolia (testnet)
• Currency: USDC
• Protocol: Nostr for intent broadcasting

Links

• Website: https://nextnext.dev
• GitHub: https://github.com/nextnext-dev/network-of-next

License

MIT