payment guard mcp for Claude Code

io.github.mlawsonking/payment-guard-mcp

Pre-send risk check for AI agents that move money — screen an address or payment URL before sending.

client:Claude Code transport:stdio runtime:npm

Install payment guard mcp in Claude Code

run in your project directory

claude mcp add payment-guard-mcp -- npx -y payment-guard-mcp

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