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mcp/harbor
Gemini CLI

Promptheus for Gemini CLI

io.github.abhichandra21/promptheus

AI-powered prompt refinement with adaptive questioning and multi-provider support (6+ LLM backends)

client:Gemini CLI transport:stdio runtime:pypi

Install Promptheus in Gemini CLI

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

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "promptheus": {
      "command": "uvx",
      "args": [
        "promptheus"
      ],
      "env": {
        "GOOGLE_API_KEY": "<GOOGLE_API_KEY>",
        "ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>",
        "OPENAI_API_KEY": "<OPENAI_API_KEY>",
        "GROQ_API_KEY": "<GROQ_API_KEY>",
        "QWEN_API_KEY": "<QWEN_API_KEY>",
        "GLM_API_KEY": "<GLM_API_KEY>",
        "PROMPTHEUS_PROVIDER": "<PROMPTHEUS_PROVIDER>",
        "PROMPTHEUS_MODEL": "<PROMPTHEUS_MODEL>"
      }
    }
  }
}

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

Promptheus in other clients

Promptheus MCP server