x402-market

{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "io.github.AsaiShota/mcp-server",
  "description": "Let AI agents pay-per-call for any HTTP API via x402 on Base mainnet. One tool: pay_and_call.",
  "title": "x402-market",
  "repository": {
    "url": "https://github.com/AsaiShota/x402-market",
    "source": "github",
    "subfolder": "packages/mcp-server"
  },
  "version": "0.2.0-alpha.1",
  "websiteUrl": "https://x402-market-api.lien-studio-akiyama.workers.dev",
  "packages": [
    {
      "registryType": "npm",
      "identifier": "@x402-market/mcp-server",
      "version": "0.2.0-alpha.1",
      "transport": {
        "type": "stdio"
      },
      "environmentVariables": [
        {
          "description": "Marketplace API base URL.",
          "default": "https://x402-market-api.lien-studio-akiyama.workers.dev",
          "name": "MARKET_API_URL"
        },
        {
          "description": "Funded buyer wallet private key (0x-prefixed). Required for pay_and_call; read-only tools work without it.",
          "isSecret": true,
          "name": "MCP_BUYER_PRIVATE_KEY"
        },
        {
          "description": "Base RPC endpoint. Defaults to Base mainnet public RPC; Alchemy/QuickNode recommended for higher rate limits.",
          "default": "https://mainnet.base.org",
          "name": "BASE_RPC_URL"
        },
        {
          "description": "8453 = Base mainnet (default, matches live listings). 84532 = Base Sepolia testnet.",
          "format": "number",
          "default": "8453",
          "name": "BASE_CHAIN_ID"
        },
        {
          "description": "Hard cap on per-call cost (USDC). Refuses to pay above this.",
          "default": "1.0",
          "name": "MCP_MAX_PRICE"
        }
      ]
    }
  ]
}