mcp for Claude Code

dev.x402check/mcp

Preflight before paying any x402 tool (ok|caution|avoid + history). 1 free/wallet; then $0.01 Base.

client:Claude Code transport:streamable-http runtime:npm tools:6

Install mcp in Claude Code

run in your project directory

claude mcp add --transport http mcp https://x402check.dev/mcp

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