x402 Precheck for Claude Code

dev.workers.w0arvg81zlgf.x402-precheck/precheck

Check an x402 payment challenge before your agent pays: network, USDC, amount, payTo, facilitator.

client:Claude Code transport:streamable-http tools:1

Install x402 Precheck in Claude Code

run in your project directory

claude mcp add --transport http precheck https://x402-precheck.w0arvg81zlgf.workers.dev/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs