mcpreflight for Gemini CLI

io.github.xka0085-byte/mcpreflight

Read-only preflight for any MCP or x402 endpoint: handshake, tool schemas, 402 drift.

client:Gemini CLI transport:stdio runtime:npm

Install mcpreflight in Gemini CLI

~/.gemini/settings.json · windows: %USERPROFILE%\.gemini\settings.json

{
  "mcpServers": {
    "mcpreflight": {
      "command": "npx",
      "args": [
        "-y",
        "@eidonze/mcpreflight"
      ]
    }
  }
}

Gemini expands $VAR and ${VAR} inside env values, so a secret can live in your shell rather than this file. Gemini CLI docs