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Claude Prompt Optimizer

io.github.rishiatlan/claude-prompt-optimizer ยท v2.2.2

Scores, compiles & optimizes prompts for any LLM. Zero AI calls inside. Freemium.

Connect Runs on your machine

Terminal
claude mcp add claude-prompt-optimizer -e PROMPT_OPTIMIZER_PRO=<PROMPT_OPTIMIZER_PRO> -e PROMPT_OPTIMIZER_LOG_LEVEL=<PROMPT_OPTIMIZER_LOG_LEVEL> -- npx -y [email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "claude-prompt-optimizer": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "PROMPT_OPTIMIZER_PRO": "<PROMPT_OPTIMIZER_PRO>",
        "PROMPT_OPTIMIZER_LOG_LEVEL": "<PROMPT_OPTIMIZER_LOG_LEVEL>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "claude-prompt-optimizer": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "PROMPT_OPTIMIZER_PRO": "<PROMPT_OPTIMIZER_PRO>",
        "PROMPT_OPTIMIZER_LOG_LEVEL": "<PROMPT_OPTIMIZER_LOG_LEVEL>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "claude-prompt-optimizer": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "PROMPT_OPTIMIZER_PRO": "<PROMPT_OPTIMIZER_PRO>",
        "PROMPT_OPTIMIZER_LOG_LEVEL": "<PROMPT_OPTIMIZER_LOG_LEVEL>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
PROMPT_OPTIMIZER_PRO
Optional
Set to 'true' to enable Pro tier via environment variable (alternative to license key)
PROMPT_OPTIMIZER_LOG_LEVEL
Optional
Log verbosity level: debug, info, warn, error

Details

Package[email protected] (NPM, stdio)
First published27 Feb 2026
Last updated27 Feb 2026
Registry nameio.github.rishiatlan/claude-prompt-optimizer

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