RenderLens

Created By

NicolaDonadoni4 months ago

Give your AI coding agent eyes. RenderLens is an MCP server with 3 tools: render (code → screenshot), audit (Lighthouse + WCAG accessibility), diff (pixel-level visual comparison). Free during beta — 100 calls/month, no API key, no signup.

# screenshot

# accessibility

Overview Content Tools Comments

Overview

What is RenderLens?

An MCP server that gives your AI coding agent eyes. Instead of writing UI code blind, your agent can verify what it builds visually.

Tools

render

Send HTML or React code, get back a screenshot. Supports custom viewports, full-page capture, and framework auto-detection.

audit

Run Lighthouse + WCAG accessibility audits on any code. Returns violations, passes count, and scores.

diff

Compare two versions of UI code pixel-by-pixel. Returns a diff image and percentage of changed pixels.

Quick Setup

Works with Claude Code, Claude Desktop, Cursor, Windsurf, and any MCP client.

Features

No API key, no signup — just paste the config and go
100 free calls/month during beta
Playwright-powered rendering
GDPR compliant (no code stored, IPs anonymized)

Try in Playground

Server Config

{
  "mcpServers": {
    "renderlens": {
      "type": "streamable-http",
      "url": "https://app.renderlens.dev/mcp"
    }
  }
}

Project Info

Created At

4 months ago

Updated At

4 months ago

Author Name

NicolaDonadoni

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