PQS MCP Server

The world's first named AI prompt quality score — as an MCP server.

Score, optimize, and compare LLM prompts before they hit any model. Built on PEEM, RAGAS, G-Eval, and MT-Bench frameworks.

Install

Add to your Claude Desktop config (~/Library/Application Support/Claude/claude_desktop_config.json):

{
  "mcpServers": {
    "pqs": {
      "command": "npx",
      "args": ["pqs-mcp-server"]
    }
  }
}

Tools

• score_prompt — Free. Score any prompt, get grade + percentile. No API key needed.

• optimize_prompt — $0.025 USDC via x402. Full dimension breakdown + optimized prompt.

• compare_models — $0.50 USDC via x402. Claude vs GPT-4o head-to-head.

Get an API Key

pqs.onchainintel.net

Built by

John / OnChainIntel — @OnChainAIIntel