Wren Pre-sign Check for Windsurf

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:Windsurf transport:streamable-http tools:4

Install Wren Pre-sign Check in Windsurf

~/.codeium/windsurf/mcp_config.json · windows: %USERPROFILE%\.codeium\windsurf\mcp_config.json

{
  "mcpServers": {
    "wren-presign-check": {
      "serverUrl": "https://wren-presign-check.wrenonbase.workers.dev/mcp"
    }
  }
}

Global only — Windsurf has no per-project MCP config. Refresh Cascade after saving. Windsurf docs