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mcp/harbor
Grok

Prompt Optimizer for Grok

io.github.nivlewd1/mcp-prompt-optimizer

Optimize prompts and generate agent SOPs and skill packages with the Prompt Optimizer cloud API.

client:Grok transport:stdio runtime:npm

Install Prompt Optimizer in Grok

.mcp.json (in your project root)

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

{
  "mcpServers": {
    "mcp-prompt-optimizer": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "mcp-prompt-optimizer"
      ],
      "env": {
        "OPTIMIZER_API_KEY": "<OPTIMIZER_API_KEY>"
      }
    }
  }
}

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

Prompt Optimizer in other clients

Prompt Optimizer MCP server