Preflight for Claude Code

io.github.dainidude/preflight

Pay-per-call smart-contract security: scans, tx simulation, and token risk via x402 (USDC on Base).

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

Install Preflight in Claude Code

run in your project directory

claude mcp add --transport http preflight https://preflight--preflight-api-mcp.modal.run/mcp

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