Piprail

Name: Piprail
Author: piprail

@piprail

关于 Piprail

Hand any AI agent a budget-capped wallet to pay, discover & register x402 payment-gated URLs across every chain. Local, self-custodial, no backend, no fee.

#x402 #agent-payments #crypto-payments #usdc #stablecoin #multichain #wallet #autonomous-payments #web3

基本信息

分类

其他

传输方式

stdio

发布者

piprail

提交者

John Weeks

配置

使用下面的配置,将此服务器添加到你的 MCP 客户端。

{
  "mcpServers": {
    "piprail": {
      "command": "npx",
      "args": [
        "-y",
        "@piprail/mcp"
      ],
      "env": {
        "PIPRAIL_PRIVATE_KEY": "<YOUR_WALLET_KEY>",
        "PIPRAIL_CHAIN": "base",
        "PIPRAIL_MAX_AMOUNT": "0.10",
        "PIPRAIL_MAX_TOTAL": "10.00",
        "PIPRAIL_TOKENS": "USDC"
      }
    }
  }
}

工具

未检测到工具

工具是从 README 中自动提取的。维护者可以在 ## Tools 标题下列出工具,即可填充这部分内容。

概览

What is Piprail?

Piprail is an MCP server that provides any AI agent (Claude Desktop, Cursor, Claude Code, Windsurf, VS Code, Cline) with a budget-capped wallet to autonomously pay x402 ("402 Payment Required") payment-gated URLs. It runs locally with your wallet and a spend policy the model cannot exceed — no backend, no custody, no facilitator, no fee.

How to use Piprail?

Run npx -y @piprail/mcp, add the config block (set your wallet key and spend caps via environment variables like PIPRAIL_MAX_AMOUNT, PIPRAIL_MAX_TOTAL, PIPRAIL_TOKENS, PIPRAIL_HOSTS, and PIPRAIL_CHAIN), then restart your client. The server exposes five tools for discovering, quoting, planning, paying, and registering x402 endpoints.

Key features of Piprail

Five tools for the full x402 payment lifecycle.
Budget-capped wallet enforced before any on-chain send.
Supports every major EVM chain plus Solana, TON, Tron, NEAR, Sui, Aptos, Algorand, Stellar, and XRP Ledger.
Works with USDC, USDT, and native coin across chains.
Wallet key never leaves your machine — no back end or custody.
Runs locally with no facilitator and no additional fee.

Use cases of Piprail

AI agents autonomously paying for APIs within a strict budget.
Discovering which x402-enabled endpoints are available (

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