How to install token-optimizer-mcp in Gemini CLI

Context-window optimization: caching, compression & smart file tools that cut tokens 60-90%.

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We found token-optimizer-mcp in the official MCP registry. Our automated check passed on Nov 1, 2026 (it confirms the server is published and reachable), but no one at CuratedMCP has reviewed its code, permissions or credentials handling. Check what it can access before you give it keys. Scan your machine free to see every MCP server you have installed.

Steps

1Install Node.js 18 or newer (for npx)
2Open ~/.gemini/settings.json (or .gemini/settings.json in your project)
3Add the entry below. If the file already has "mcpServers", add just the inner entry
4Restart Gemini CLI and run /mcp to confirm

Configuration

~/.gemini/settings.json

{
  "mcpServers": {
    "token-optimizer": {
      "command": "npx",
      "args": [
        "-y",
        "@ooples/token-optimizer-mcp"
      ]
    }
  }
}

Environment variable	Required	What it is
TOKEN_OPTIMIZER_CACHE_DIR	No	Directory path for cache storage (optional, defaults to ~/.token-optimizer-cache)

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