Wren Pre-sign Check for Claude Code

io.github.claudeisgod/wren-presign-check

Check a tx, EIP-712 payload, text or Base token before your agent signs. Paid per call over x402.

client:Claude Code transport:streamable-http tools:4

Install Wren Pre-sign Check in Claude Code

run in your project directory

claude mcp add --transport http wren-presign-check https://wren-presign-check.wrenonbase.workers.dev/mcp

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