Base USDC Payment Verifier (x402) for Claude.ai

com.onrender.x402-usdc-verify/base-usdc-verifier

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

client:Claude.ai transport:streamable-http tools:2

Install Base USDC Payment Verifier (x402) in Claude.ai

Settings → Connectors → Add custom connector

https://x402-usdc-verify.onrender.com/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

get_pricing
verify_usdc_payment

Base USDC Payment Verifier (x402) in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

Base USDC Payment Verifier (x402) MCP server