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Web UX Evaluator

Enables automated browser interactions for evaluating web application user experiences, capturing console logs and netwo...

Created byApr 22, 2025

Operative.sh WebEvalAgent MCP Server

Let the code fix itself, you've got better things to do.
ezgif-30319083e68077

Supercharge Your Debugging

operative.sh's MCP Server unleashes LLM-powered agents to autonomously execute and debug web apps directly in your code editor.

Features

This weapon in your development arsenal transforms your Code IDE experience (Cline, Cursor):
  • Navigate your webapp using BrowserUse (now 2x FASTER when using our backend!)
  • Capture network traffic - all requests/responses at your fingertips
  • Collect console errors - nothing escapes detection
  • Autonomous debugging - the Cursor agent calls the web QA agent mcp server to test if the code it wrote works as epected end-to-end.

Quick Start (macOS/Linux)

  1. Run the installer after getting an api key (free)
  1. Unleash the agent in Cursor Agent Mode with web_app_ux_evaluator (verify tool refreshed or restart Cursor)
  1. If any issues, see Issues section below

Manual JSON Installation

  1. Run uvx --from git+https://github.com/Operative-Sh/web-eval-agent.git webEvalAgent with no api key first since Cursor doesn't wait for our deps to download!
  1. npm install -g playwright
  1. On startup, kill and then update your relevent MCP JSON:

Manual Windows Installation (Cline)

Issues

  • Initial tool calls Playwright issues, fix pushed 4/14, npm install -g playwright playwright issues on tool call.
  • Any issues feel free to open an Issue on this repo!

Built with <3 @ operative.sh

Operative.sh WebEvalAgent MCP Server

Let the code fix itself, you've got better things to do.
ezgif-30319083e68077

Supercharge Your Debugging

operative.sh's MCP Server unleashes LLM-powered agents to autonomously execute and debug web apps directly in your code editor.

Features

This weapon in your development arsenal transforms your Code IDE experience (Cline, Cursor):
  • Navigate your webapp using BrowserUse (now 2x FASTER when using our backend!)
  • Capture network traffic - all requests/responses at your fingertips
  • Collect console errors - nothing escapes detection
  • Autonomous debugging - the Cursor agent calls the web QA agent mcp server to test if the code it wrote works as epected end-to-end.

Quick Start (macOS/Linux)

  1. Run the installer after getting an api key (free)
  1. Unleash the agent in Cursor Agent Mode with web_app_ux_evaluator (verify tool refreshed or restart Cursor)
  1. If any issues, see Issues section below

Manual JSON Installation

  1. Run uvx --from git+https://github.com/Operative-Sh/web-eval-agent.git webEvalAgent with no api key first since Cursor doesn't wait for our deps to download!
  1. npm install -g playwright
  1. On startup, kill and then update your relevent MCP JSON:

Manual Windows Installation (Cline)

Issues

  • Initial tool calls Playwright issues, fix pushed 4/14, npm install -g playwright playwright issues on tool call.
  • Any issues feel free to open an Issue on this repo!

Built with <3 @ operative.sh