SendCheck — EVM address verification (x402) for Windsurf

org.pennyforge.api/sendcheck

Pre-send EVM address checks: free pre-check, $0.01 check, $0.05 deep scan. x402: payment is auth.

client:Windsurf transport:streamable-http tools:3

Install SendCheck — EVM address verification (x402) in Windsurf

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

{
  "mcpServers": {
    "sendcheck": {
      "serverUrl": "https://api.pennyforge.org/mcp"
    }
  }
}

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