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MCP ServerSTDIOOfficialv1.0.3

x402engine-mcp MCP Server

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

io.github.agentc22/x402engine-mcp

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Hosted URL

https://github.com/agentc22/x402engine-mcp

Transport

STDIO

Auth

No auth required

Connect to x402engine-mcp

Hosted endpoint — paste into any MCP client.

https://github.com/agentc22/x402engine-mcp

Environment variables

Configuration this server reads at startup.

  • X402_BASE_URL

    Gateway URL (default: https://x402engine.app)

  • X402_DEV_BYPASSSecret

    Dev bypass secret to skip payments during testing

  • X402_PAYMENT_HEADERSecret

    Pre-signed x402 payment header for automatic payment

Resources

Where to find authoritative docs and source for x402engine-mcp.

Try x402engine-mcp with 30+ AI models

Open MCP Agent Studio and connect this server to Claude, GPT, Gemini, DeepSeek and more — no install required.

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