Base USDC Payment Verifier (x402) MCP Server: Install & Setup

Install Base USDC Payment Verifier (x402) in Claude Code

Claude Code

claude mcp add --transport http base-usdc-payment-verifier-x402 https://x402-usdc-verify.onrender.com/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "base-usdc-payment-verifier-x402": {
      "url": "https://x402-usdc-verify.onrender.com/mcp"
    }
  }
}

Verify a Base tx is a confirmed native-USDC transfer to a recipient. Paid via x402, 0.01 USDC/call.

Probably not entirely. The listing mentions pay-per-call, credits or a subscription. Check the provider for current pricing.

Remote. Hosted by the provider. You connect with a URL, nothing to install.

Run: claude mcp add --transport http base-usdc-payment-verifier-x402 https://x402-usdc-verify.onrender.com/mcp

com.base167/base167

Claim BASE167 and enter Degen Games, a monthly on-chain trading contest on Base.

dev.workers.dolerite.base-onchain-tools/base-onchain-tools

Base mainnet analysis: contract audits, transfer simulation, token pricing. Paid via x402.

dev.fly.basedworld/market

Find public creator tools, work and conversation. Read-only; no wallet, posting or payment.

MintMachineHQ/baron-power-play-mcp

Pay-per-call AI infra for agents: DeFi market data, LLM inference, STT/TTS. x402 v2, USDC on Base.

app.vercel.baselens-api/baselens

Base on-chain data for agents: balances, prices, transfers, Basenames, contracts. x402 pay-per-call.

bargo-ai/bargo-free-api-packages

Query normalized U.S. Congress STOCK Act trades with member, ticker, and performance data.