# Zaplens > Synthetic UX intelligence. LLM persona agents browse your website at > scale, follow goals you describe, and produce a plain-English report on > where real users would get confused, attracted, or drop off. Used > instead of (or before) week-long usability studies, multivariate A/B > tests, and intern click-throughs. Zaplens is operated by Quantum One AI, a company registered in India with its principal office in Kolkata. There's a free Hobby tier with a small monthly credit grant, plus paid Plus ($29/mo) and Pro ($99/mo) plans. Pro unlocks the MCP server so you can run simulations from Claude / ChatGPT / Cursor. ## What it does - **Persona agents** — bring your own personas as markdown, or use the default matrix (8 dimensions of realism: confidence, device, accessibility, intent, etc.). - **Heatmaps + drop-off paths** — overlap of click / confusion / attraction / repulsion channels on every page, with the agent's reasoning attached to each hot spot. - **Battle mode** — point two URLs at the same goal, watch the agents pick a winner. Useful for landing-page variants and pricing-page experiments. - **Exec report** — top drop-offs, persona-specific failures, prioritized fixes — written as paragraphs, not as raw charts. ## Core documentation - [API reference](https://zaplens.site/docs/api): REST endpoints for simulations, battles, agents, reports, share links. - [MCP setup](https://zaplens.site/docs/mcp): how to install and authenticate the official MCP server (pipx install zaplens-mcp) with Claude Desktop, Cursor, and Claude Code. ## Legal & support - [Terms of Service](https://zaplens.site/terms) - [Privacy Policy](https://zaplens.site/privacy) - [Refund & Cancellation Policy](https://zaplens.site/refund) - [Contact](https://zaplens.site/contact) ## Not affiliated with Zaplens is independent from Anthropic, OpenAI, Google, Microsoft, and any LLM provider. We use LLMs internally to power the agents, but Zaplens itself is the product.