Uimax MCP - install, status & alternatives [2026]

01 · Install Uimax MCP

before you install - you'll need

The README does not document required environment variables for a basic install.

Claude Code

claude mcp add prembobby39-gif-uimax-mcp -- npx -y uimax-mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "prembobby39-gif-uimax-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "uimax-mcp"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license MIT - declared in the repository

npm package uimax-mcp - unscoped; check the name against the project README before installing

registry namespace io.github.prembobby39-gif is GitHub-verified and matches the repo owner

03 · What Uimax MCP can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

What you can build

With this server connected, an agent can capture a high-resolution PNG screenshot of any URL, compare light mode vs dark mode (emulated). Returns both screenshots + difference percentage, find unused JavaScript and CSS with exact byte savings per resource, and navigate to a URL, wait for network idle. Returns page info + screenshot.

Capability map

Tools grouped from the project's README - what Uimax MCP lets an agent do.

Review

6 tools - e.g. The main tool. Full automated pipeline: screenshot + Lighthouse + axe-core + performance + SEO + code analysis + Report Card (A+-F letter grades) + expert revie; Fast design-only review. Screenshot +…

review_ui · quick_review · crawl_and_review · get_review_history · get_review_stats · review_diff

Compare

4 tools - e.g. New in v0.9.0. Competitive benchmarking - audit two URLs side-by-side. Returns screenshots of both sites plus a comparison Report Card with grades for Accessibi; Pixel-level diff using pixelmatch. Returns…

compare_sites · compare_screenshots · semantic_compare · compare_to_baseline

Capture

3 tools - e.g. Capture all console messages (log, warn, error, info, debug) + uncaught exceptions during page load.; Capture all network requests with status, size, timing, resource type. Summary grouped by type.…

capture_console · capture_network · capture_errors

Check

2 tools - e.g. Compare light mode vs dark mode (emulated). Returns both screenshots + difference percentage.; Enforce performance budgets from .uimaxrc.json. Pass/fail for Lighthouse scores, Web Vitals, violation counts.

check_dark_mode · check_budgets

Verify

1 tool - e.g. New in v0.9.0. Re-run the full audit after applying fixes. Compares against the previous review and shows a before/after Report Card with grade transitions, res

verify_fixes

Export

1 tool - e.g. Generate a standalone HTML report with everything embedded. Now includes Report Card grade cards and SEO section. Dark themed, zero dependencies. Share with you

export_report

Screenshot

1 tool - e.g. Capture a high-resolution PNG screenshot of any URL.

screenshot

Responsive

1 tool - e.g. Screenshots at mobile (375px), tablet (768px), and desktop (1440px) viewports.

responsive_screenshots

Latest releases

v0.9.0 · 2026-03-29

What's New · Verify Fixes (verify_fixes tool) · Closes the review-fix-verify loop. After review_ui finds issues and Claude implements fixes, run verify_fixes to re-audit and prove the fixes worked: · Fix Verification…

v0.8.0 · 2026-03-29

What's New · SEO Audit (new tool) · New seo_audit tool checks 18 SEO signals with weighted scoring: · Page title, meta description, H1 tag · Heading hierarchy, canonical URL, lang attribute, viewport meta, image alt…

v0.7.0 · 2026-03-26

04 · Who maintains Uimax MCP

uimax-mcp is maintained by prembobby39-gif. It's the only MCP server we track from this author; the repo dates to Mar 2026.

05 · Facts

repository: github.com/prembobby39-gif/uimax-mcp
category: browser automation - ranked #157 of 196 actively-maintained browser automation servers as of 2026-08-25.
registry: io.github.prembobby39-gif/uimax-mcp (active, first published 2026-03-26 · 2 versions)
packages: npm:uimax-mcp

06 · Uimax MCP FAQ

Is Uimax MCP still maintained?

Yes - as of 2026-08-25, its last commit was 2026-03-29. We re-verify nightly.

What can Uimax MCP do?

With this server connected, an agent can capture a high-resolution PNG screenshot of any URL, compare light mode vs dark mode (emulated). Returns both screenshots + difference percentage, find unused JavaScript and CSS with exact byte savings per resource, and navigate to a URL, wait for network idle. Returns page info + screenshot.

How do I install Uimax MCP?

Run `npx -y uimax-mcp`. The README does not document required environment variables for a basic install. You can also paste the ready-made client config above.

Does Uimax MCP run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Uimax MCP

Alternatives to Uimax MCP

Maintained browser automation servers if Uimax MCP isn't the fit.

Pairs well with

Servers that cover what Uimax MCP doesn't - only shown when the pairing reason fits the companion.

More browser automation MCP servers · unbrowser by Unchained · Selenium MCP · Tabla Cognita · Stealthy Auto Browse · Fetchpet

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