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io.github.agentc22/x402engine-mcp

io.github.agentc22/x402engine-mcp·v1.0.3·AI & LLMs
Quality Score
81
/100

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

§01  Install
Claude Desktop (claude_desktop_config.json)
{
  "mcpServers": {
    "x402engine-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "x402engine-mcp"
      ],
      "env": {
        "X402_BASE_URL": "<x402_base_url>",
        "X402_DEV_BYPASS": "<your-x402_dev_bypass>",
        "X402_PAYMENT_HEADER": "<your-x402_payment_header>"
      }
    }
  }
}
Cursor (.cursor/mcp.json)
{
  "mcpServers": {
    "x402engine-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "x402engine-mcp"
      ],
      "env": {
        "X402_BASE_URL": "<x402_base_url>",
        "X402_DEV_BYPASS": "<your-x402_dev_bypass>",
        "X402_PAYMENT_HEADER": "<your-x402_payment_header>"
      }
    }
  }
}
Cline (cline_mcp_settings.json)
npx -y x402engine-mcp
§02  Environment variables
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

§03  MCP Quality Score  ·  methodology
freshness
21
completeness
10
installability
25
documentation
15
stability
10
§04  Alternatives in AI & LLMs