A side-by-side look at the Sidebutton and Uimax MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Sidebutton for browser automation work as a local process; choose Uimax MCP for browser automation as a local process. You can also run both side by side in one mcpServers block.
run_workflow, get_run_log, list_workflows.review_ui, verify_fixes, compare_sites.Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Browser Automation | Browser Automation |
| Quality signal | 52/100 · Good | 53/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | Not declared |
| Pricing | Not declared | Not declared |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 5 | 10 |
| Directory activity | 0 views 0 installs 0 upvotes | 1 views 0 installs 0 upvotes |
| Tools | 29 | 37 |
| Full listing | View Sidebutton | View Uimax MCP |
run_workflowExecute a workflow by IDget_run_logGet execution log for a runlist_workflowsList all available workflowsget_workflowGet workflow YAML definitionlist_run_logsList recent workflow executionspublish_artifactPublish evidence (screenshots, reports) from a sessionget_browser_statusCheck browser extension connectioncapture_pageCapture selectors from current pagenavigateNavigate browser to URLsnapshotGet page accessibility snapshotclickClick an elementtypeType text into an elementreview_uiThe main tool.** Full automated pipeline: screenshot + Lighthouse + axe-core + performance + SEO + code analysis + Report Card (A+-F letter grades) + expert review methodology. Auto-saves to review history.verify_fixesNew 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, resolved issue count, and verdict (improved/regressed/mixed). Closes the review-fix-verify loop.compare_sitesNew 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 Accessibility, Performance, SEO, and weighted Overall score.quick_reviewFast design-only review. Screenshot + focused design methodology. No code analysis or performance audit.export_reportGenerate a standalone HTML report with everything embedded. Now includes Report Card grade cards and SEO section. Dark themed, zero dependencies. Share with your team.screenshotCapture a high-resolution PNG screenshot of any URL.responsive_screenshotsScreenshots at mobile (375px), tablet (768px), and desktop (1440px) viewports.check_dark_modeCompare light mode vs dark mode (emulated). Returns both screenshots + difference percentage.compare_screenshotsPixel-level diff using `pixelmatch`. Returns both screenshots + red-highlighted diff image + exact pixel difference %.semantic_compareAI-powered visual comparison.** Captures before/after + pixel diff, returns structured methodology for Claude to evaluate whether changes match the intended design request.lighthouse_auditFull Google Lighthouse audit — Performance, Accessibility, Best Practices, SEO scores + failing audits.seo_auditNew in v0.8.0.** Dedicated SEO audit checking 18 signals: meta title/description, heading hierarchy, Open Graph, Twitter cards, structured data (JSON-LD), canonical URLs, image alt text, viewport meta, lang attribute, and more. Weighted scoring by impact.Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
{
"mcpServers": {
"sidebutton": {
"command": "npx",
"args": [
"-y",
"sidebutton@latest"
]
}
}
}
{
"mcpServers": {
"uimax-mcp": {
"command": "npx",
"args": [
"-y",
"uimax-mcp"
]
}
}
}