Preflight for Claude.ai

io.github.dainidude/preflight

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

client:Claude.ai transport:streamable-http tools:4

Install Preflight in Claude.ai

Settings → Connectors → Add custom connector

https://preflight--preflight-api-mcp.modal.run/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

preflight_check
preflight_sim
preflight_token_risk
preflight_pricing

Preflight in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

Preflight MCP server