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Mimiq Synthetic User Testing

Tests preview, staging, or live user flows with browser-based AI agents and reports issues with steps, screenshots, and rankings.

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Install Mimiq Synthetic User Testing

Pick your client, then add it in one click or paste the config.

Streamable HTTP (Remote)
Server URL
https://mcp.mimiqai.com/mcp

Remote servers are added in the app, not the config file: Customize → Connectors → Add custom connector, then paste this URL.

Overview

Mimiq - Synthetic User Testing sends simulated users through web flows on preview, staging, or live URLs using real browsers. Its agents click, type, submit forms, use inboxes for verification codes, and report failures, dead ends, browser errors, and abandonment with screenshots and affected steps. Use `mimiq.test_flow` after changing signup, onboarding, checkout, settings, or another customer-facing flow, then retrieve saved results with `mimiq.show_report`.

Use cases

  • Test signup and onboarding flows after each build
  • Check checkout and settings changes before merging
  • Run audience-specific tasks against a staging URL
  • Review pull-request previews in CI
  • Inspect saved reports and screenshots after a test

Key features

  • Browser-based simulated user journeys
  • Plain-language flow goals without test scripts
  • Audience targeting and audience-fit review
  • Step-level screenshots and ranked issue reports
  • Browser error and slow-request capture
  • Saved reports with private links

Tools2

What Mimiq Synthetic User Testing lets your agent do. Expand a tool for its parameters.

Verified live~1.4k tokens of context

Security & health

What it can reach and how reliably it runs — from our own checks, not the maintainer’s claims.

ActiveLast checked 2d ago

Recent health check succeeded.

11/11 checks healthy over the last 61d

What it can do

From the 2 tools this server returned when we ran it.

Handles credentials · 1Makes network requests · 2Read-only tools · 2
Tool definitions changed on 2026-11-06. Review them if you approved this server earlier.

Observed 2026-11-06 in an isolated sandbox. A description of reach, not a security audit.

Adoption & maintenance

Factual signals from GitHub, npm, and our automated checks — not a rating.

GitHub stars1Stargazers on the source repository.
Last commit16d agoMost recent push to the default branch.
Tools exposed2Callable tools this server registers over MCP.

How Mimiq Synthetic User Testing works

What Mimiq - Synthetic User Testing does

Mimiq evaluates web applications by having AI agents attempt tasks that real users might perform. You provide a URL and a plain-language goal, such as signing up, reaching checkout, or starting to use a product. Agents work through the site in separate real browsers, clicking controls, entering text, and completing forms.

The resulting report identifies errors shown in the interface, inactive buttons and links, valid input that forms reject, confusing wording, dead ends, and points where agents stop or give up. Findings include the relevant journey step, a screenshot, the agents affected, and a ranking based on how many agents encountered each problem.

How it works

Call mimiq.test_flow with a target URL and the task a user should complete. Mimiq creates agents based on the application and can accept an audience description such as parents shopping for school shoes or freelance designers. Each agent continues until it completes the task or becomes stuck, so a run generally takes several minutes and takes longer for longer tasks.

The run also records browser-observed JavaScript errors, failed requests, 4xx and 5xx responses, and requests taking more than three seconds. For protected pages, the tool accepts Vercel bypass access, basic authentication, or a test login. Credentials are entered in the browser and kept out of results and reports.

If more than one in five recruited agents do not match the requested audience, the result enters an audience review state. The caller can acknowledge the review or request recruitment with a correction.

Setup and configuration

Mimiq is exposed at https://mcp.mimiqai.com/mcp over HTTP. Configure that endpoint in an MCP client and provide an Authorization: Bearer ... header when using an API key. Claude Code, Codex, Cursor, VS Code, Windsurf, and Claude Desktop setup examples are supported; Claude Desktop uses mcp-remote.

A key is optional for the free try. Without one, a flow can use up to three agents while the daily free allowance remains available. Authenticated runs are saved to the Mimiq account and return a private report link. API keys are created from a Mimiq account's settings and begin with mq_sk_.

Tools and capabilities

  • mimiq.test_flow runs a user task against a supplied URL and returns audience information, journey steps, stopping points, ranked problems, browser observations, counts, and a summary card.
  • mimiq.show_report displays a saved run using its session ID or report URL. It reads account data and does not spend credits.
  • Each agent in a flow consumes five credits.
  • The endpoint can also be called from CI with JSON-RPC over HTTP. The Mimiq preview check GitHub Action runs tests on Vercel, Netlify, or Cloudflare Pages previews and comments results on pull requests.

Limitations and notes

Mimiq requires a public URL; local development servers need a temporary tunnel. Agents cannot make real card payments, and CAPTCHA or other bot protection may prevent testing. Simulated users expose usability and functional problems but do not predict real-world conversion rates. Use a preview or staging environment without bot protection when possible.

Read the full README View source on GitHub

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Frequently Asked Questions about Mimiq Synthetic User Testing

Mimiq - Synthetic User Testing is an MCP server that connects AI agents to web applications at preview, staging, or live URLs. Its main tools, `mimiq.test_flow` and `mimiq.show_report`, run user tasks in real browsers and retrieve reports covering failures, stuck steps, screenshots, browser errors, and agent outcomes.

Configure an MCP client with the HTTP endpoint `https://mcp.mimiqai.com/mcp`. Claude Code, Codex, Cursor, VS Code, Windsurf, and Claude Desktop are supported with client-specific configuration examples; authenticated requests use a Mimiq bearer token.

Yes, Mimiq - Synthetic User Testing works with Cursor through its MCP configuration. Add the HTTP endpoint and an Authorization bearer header in `~/.cursor/mcp.json` or the project-level `.cursor/mcp.json`, and avoid committing a file containing the key.

Pass an `access` value to `mimiq.test_flow` for Vercel deployment protection, browser basic authentication, or a test login. Mimiq fills the real access values only in the browser, keeps them out of results, and deletes them when the run ends.

No, Mimiq requires a public URL. Expose a local server through a temporary tunnel, such as one created with cloudflared, before passing it to `mimiq.test_flow`.

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