io.github.agentc22/x402engine-mcp MCP Server

io.github.agentc22/x402engine-mcp

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What is the io.github.agentc22/x402engine-mcp MCP server?

50+ pay-per-call APIs for AI agents — images, LLM, code, crypto, travel & more via x402

How to install io.github.agentc22/x402engine-mcp

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

X402_BASE_URL
Gateway URL (default: https://x402engine.app)
X402_DEV_BYPASS
secret
Dev bypass secret to skip payments during testing
X402_PAYMENT_HEADER
secret
Pre-signed x402 payment header for automatic payment

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "x402engine-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "x402engine-mcp"
      ],
      "env": {
        "X402_BASE_URL": "<YOUR_X402_BASE_URL>",
        "X402_DEV_BYPASS": "<YOUR_X402_DEV_BYPASS>",
        "X402_PAYMENT_HEADER": "<YOUR_X402_PAYMENT_HEADER>"
      }
    }
  }
}