Qty

Deterministic quantity tools for agents. Nine tools: `convert` and `units` are free; `parse` (messy quantity text such as 5'11" or 2x4x8 ft), `batch`, `receipt`, `compare-prices`, `scale-recipe`, `size` (shoe and clothing sizes) and `date` are paid per call with exact USDC via x402 on Base or Solana ($0.001-$0.01). Never invents a number: unknown amounts return null with a reason. Streamable HTTP endpoint: `https://qty.vercel.app/mcp`. No account or API key. Docs: https://qty.vercel.app/llms.txt.

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