Before Users Do

Browser-backed QA with evidence and fix-ready reports for coding agents.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Choose your client or environment

Target File:~/Library/Application Support/Claude/claude_desktop_config.json

claude_desktop_config.json

{
  "mcpServers": {
    "before-users-do": {
      "command": "npx",
      "args": [
        "-y",
        "before-users-do"
      ]
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Documentation Overview

Before Users Do

Browser-backed QA for coding agents.

Before Users Do is a hosted MCP server that lets Codex, Cursor, and other compatible coding agents test a reachable web app, collect browser evidence, and return a fix-ready report before the feature ships.

Install the QA MCP · Read the setup guide · View the official MCP Registry record

What the agent gets

Browser-backed flow testing against a reachable preview
Screenshots and recordings tied to the affected step
Console errors, page errors, and failed network requests
An explicit pass, needs_fix, needs_review, or timed_out outcome
A focused report the coding agent can use for the next change

Hosted MCP endpoint

text

https://mcp.beforeusersdo.com/mcp

Create an MCP key through the public setup guide, then add the hosted connection to your MCP-capable coding agent.

Why QA MCP instead of browser control alone?

A browser tool can click and type. Before Users Do adds the QA contract around those actions: a test goal, an evidence trail, a trustworthy outcome, and a handoff back to the code.

Durable Playwright or end-to-end test suites are still valuable for known regressions. Before Users Do is designed to help the agent inspect the newly finished flow and catch problems that have not become tests yet.

Read the full README →View source on GitHub →

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Frequently Asked Questions about Before Users Do

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "before-users-do": { "command": "npx", "args": ["-y", "Before Users Do"] } }

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Technical Specs & Signals

CategoryDeveloper Tools

27Quality signal: Emerging · 27/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership8/20

Documentation & tools11/30

Adoption & activity1/15

Community engagement0/10

A guidance signal from public completeness & health data — not a user rating. New listings start lower and rise as they add docs, get verified, and grow adoption. Signals we can't observe for a listing are skipped, not counted against it.

★ Featured

Moxie Docs MCP

MCP & Agent Skills for Automated Documentation, and codebase conventions + context

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More in 💻 Developer Tools →Best MCP servers for Developers →Alternatives to Before Users Do →Install in Claude Desktop Install in Cursor Install in VS Code

Documentation Overview

Before Users Do

Browser-backed QA for coding agents.

Install the QA MCP · Read the setup guide · View the official MCP Registry record

What the agent gets

Browser-backed flow testing against a reachable preview
Screenshots and recordings tied to the affected step
Console errors, page errors, and failed network requests
An explicit pass, needs_fix, needs_review, or timed_out outcome
A focused report the coding agent can use for the next change

Hosted MCP endpoint

text

https://mcp.beforeusersdo.com/mcp

Create an MCP key through the public setup guide, then add the hosted connection to your MCP-capable coding agent.

Why QA MCP instead of browser control alone?

A browser tool can click and type. Before Users Do adds the QA contract around those actions: a test goal, an evidence trail, a trustworthy outcome, and a handoff back to the code.