MCPLow riskUnclaimed

x402-mcp

177 crypto market intel endpoints with auto x402 USDC micropayments from your AI agent

CarbonCashmerecarboncashmere/x402-mcpUpdated May 20, 2026

server.json

{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "io.github.CarbonCashmere/x402-mcp",
  "description": "177 crypto market intel endpoints with auto x402 USDC micropayments from your AI agent",
  "repository": {
    "url": "https://github.com/CarbonCashmere/x402-mcp",
    "source": "github",
    "id": "1243950484"
  },
  "version": "0.2.2",
  "packages": [
    {
      "registryType": "npm",
      "registryBaseUrl": "https://registry.npmjs.org",
      "identifier": "@carbon-cashmere/x402-mcp",
      "version": "0.2.2",
      "transport": {
        "type": "stdio"
      },
      "environmentVariables": [
        {
          "description": "0x-hex private key for Base/Polygon/Arbitrum USDC payments (dedicated wallet)",
          "format": "string",
          "isSecret": true,
          "name": "EVM_PRIVATE_KEY"
        },
        {
          "description": "base58 Solana keypair for Solana USDC payments (optional)",
          "format": "string",
          "isSecret": true,
          "name": "SVM_PRIVATE_KEY"
        },
        {
          "description": "Max tools exposed (1-177, default 100)",
          "format": "number",
          "default": "100",
          "name": "X402_TOOL_LIMIT"
        }
      ]
    }
  ]
}

Permissions

DeclaredDetected
Runs code—node
Installs—npm:@carbon-cashmere/x402-mcp@0.2.2
Runs install scripts—None
NetworkNoneNone
Needs credentialsEVM_PRIVATE_KEYSVM_PRIVATE_KEYEVM_PRIVATE_KEYSVM_PRIVATE_KEY
Outside the workspace—None
Agent tools—None

Checks

Low risk · Nothing worth a warning was found.

Not reviewed by a person · Checked by rules; the model review is not switched on yet.

Versions

  1. #10.2.2latestOct 7, 2026