Drop-in x402 payment middleware for MCP servers. Charge AI agents per tool call using USDC on Base chain — Python and JavaScript SDKs, no payment processor, no KYC.
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process.env. You'll be asked to provide them before it can run.KV_REST_API_TOKENKV_REST_API_URLPRICE_USDCUPSTASH_REDIS_REST_TOKENUPSTASH_REDIS_REST_URLWALLET_ADDRESS[](https://m8ven.ai/mcp/teabay-payclaw-1trvrq)