x402 Wallet — MCP Server 安装配置（官方 MCP Registry）

{
  "id": "io.github.nirholas/x402-mcp",
  "type": "mcp-server",
  "version": "0.1.0",
  "displayName": "x402 Wallet",
  "description": "Self-custodial x402 wallet for AI agents: discover, inspect, and pay any x402 service in USDC.",
  "repository": {
    "url": "https://github.com/nirholas/three.ws",
    "source": "github",
    "subfolder": "packages/x402-mcp"
  },
  "homepage": "https://three.ws",
  "distribution": {
    "packages": [
      {
        "registryType": "npm",
        "identifier": "@three-ws/x402-mcp",
        "version": "0.1.0",
        "runtimeHint": "npx",
        "transport": "stdio",
        "environmentVariables": [
          {
            "name": "SOLANA_SECRET_KEY",
            "description": "Base58 (or JSON byte-array) Solana secret key that signs payments and holds the USDC. Not needed for the read tools (find_services, inspect_endpoint, or x402_wallet with an explicit address). Treat like cash.",
            "isSecret": true
          },
          {
            "name": "SOLANA_RPC_URL",
            "description": "Solana mainnet RPC endpoint. Defaults to the public cluster — bring your own (Helius / QuickNode / Triton) for production traffic."
          },
          {
            "name": "MAX_PAY_USD",
            "description": "Max USD a single pay_and_call may spend. Bounds a runaway or injected payment."
          },
          {
            "name": "REQUIRE_CONFIRM",
            "description": "When on (default), pay_and_call refuses until re-issued with confirm:true. Set 0/false to disable the gate."
          },
          {
            "name": "THREE_WS_BASE",
            "description": "Base URL of the three.ws API that serves /api/bazaar/search for find_services. Override only when self-hosting."
          }
        ]
      }
    ],
    "remotes": []
  },
  "dependencies": [],
  "installTargets": [
    "claude-code",
    "claude-desktop",
    "cursor",
    "vscode"
  ],
  "keywords": [],
  "provenance": {
    "origin": "official-mcp-registry",
    "originalId": "io.github.nirholas/x402-mcp",
    "originalUrl": "https://registry.modelcontextprotocol.io/v0.1/servers/io.github.nirholas%2Fx402-mcp/versions/latest",
    "isOfficial": true,
    "status": "active"
  }
}