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Gemini CLI CanaryGuard 402 canary_sanitize

How to: Gemini CLI CanaryGuard 402 canary_sanitize

client:Gemini CLI transport:streamable-http tool:canary_sanitize

Add CanaryGuard 402 to Gemini CLI

  1. 01

    Open ~/.gemini/settings.json and merge this in. Keep any servers already there.

{
  "mcpServers": {
    "canaryguard-402": {
      "httpUrl": "https://canaryguard-402.onrender.com/mcp"
    }
  }
}
  1. 02

    Save the file and restart Gemini CLI.

  2. 03

    Ask for something canary_sanitize does. Gemini CLI lists the server's tools on connect and calls canary_sanitize itself — you do not invoke it by name.

  3. 04

    If nothing happens, check the server is running and that CanaryGuard 402's identifier in your config matches the one above exactly.

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

Same tool, other clients

This list was read from the server itself, by connecting to it and calling tools/list on 13 October 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.