preflight_check — Preflight MCP Tool
preflight_check
(preflight check) is one of 4 tools on the
Preflight
MCP server. Connect the server and your client discovers it on the handshake.
by client
How to call preflight_check from your client
- Claude Code Preflight preflight_check run in your project directory
- Claude Desktop Preflight preflight_check ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor Preflight preflight_check ~/.cursor/mcp.json
- VS Code Preflight preflight_check .vscode/mcp.json
- Zed Preflight preflight_check ~/.config/zed/settings.json
- Windsurf Preflight preflight_check ~/.codeium/windsurf/mcp_config.json
- Cline Preflight preflight_check ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
- Gemini CLI Preflight preflight_check ~/.gemini/settings.json
- Grok Preflight preflight_check .mcp.json (in your project root)
- ChatGPT Preflight preflight_check Settings → Connectors → Advanced → Developer mode
- Claude.ai Preflight preflight_check Settings → Connectors → Add custom connector
- LangChain Preflight preflight_check pip install langchain-mcp-adapters
Fastest route
claude mcp add --transport http preflight https://preflight--preflight-api-mcp.modal.run/mcpOther tools on this server
This list was read from the server itself, by connecting to it and calling tools/list on 14 November 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.