UI Debugger MCP server

by developerz-ai·io.github.developerz-ai/ui-debugger-mcp·v1.9.0

Autonomous UI debugging MCP server: an agent drives the browser/desktop, reports bugs + UX issues.

B82/100grade B

What users say

No reviews yet

Safety scan

B82/100

Adoption

Growing

2 stars67 downloads/wk

Reviews

Nobody has reviewed UI Debugger yet.

If you have run it, two minutes of your experience saves the next person an afternoon.

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

describe
List the configured targets for this project (name, adapter, managed|attach, whether wired,
end_session
Close the active run: abort the loop, release the target (managed Chrome is stopped; an
get_findings
Poll the run: status (running|passed|failed) plus structured findings — the step trail,
send_messagewrite action
Talk to the small driver agent mid-run: add work, redirect it, or answer a question.
start_debug
Open a debug session: hand the small driver agent a goal for a configured target

scanner v0.1.9 · 2026-09-20 · same rubric, same numbers if you re-run it

no findings

Code scan149 source files scanned25/25
–Live reliabilityno gateway calls yet and no remote to proben/a
–Tool poisoningtools not inspected (local package is not executed); not countedn/a
Auth qualitystatic API keys via environment variables6/15
Maintenancelast push 3 days ago15/15
Maintainer identityregistry namespace matches repository owner7/10

Overall 82/100. Components that don't apply are left out of the denominator. Any critical finding is an F.Rubric Appeal a finding JSON

Runs npx -y @developerz.ai/ui-debugger-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add ui-debugger-mcp -- npx -y @developerz.ai/ui-debugger-mcp

Is UI Debugger MCP server safe?: Mostly: it is graded B (82/100). Read the UI Debugger safety report
How do I install UI Debugger?: It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
Does UI Debugger need an API key?: Yes. The registry entry asks for OPENAI_API_KEY.
Is UI Debugger maintained?: The last commit was 3 days ago (2026-09-17). The latest release is v1.9.0.
What can I use instead of UI Debugger?: Servers from other publishers that do the same job: Ui.Vision MCP server, Agent360 Browser MCP server and Smolanalytics MCP server. Compare all UI Debugger alternatives.

Same job from other publishers: the closest match first, then the best rated.

Ui.Vision MCP
MCP server for browser and desktop automation: OCR, image recognition, real mouse and keyboard input
not reviewed
Established
C
Agent360 Browser MCP
Drive your real, logged-in Chrome from any AI agent - 40 tools. Needs our Chrome extension too.
not reviewed
Established
A
Smolanalytics
End-to-end tests from one sentence: an agent drives a real browser, and passing runs replay free.
not reviewed
Growing
B
Session Bridge
Drive a browser you are already signed into, through the free T3rnel Browser extension.
not reviewed
Growing
A
Clickcast
Drive a real Playwright browser: annotated screenshot + structured page state after every action.
not reviewed
Growing
B

Local package. It runs on your machine, not through the gateway.

Claim it to keep the listing current and reply to reviews. Claiming never changes the grade or hides a review.

Shows the safety grade and links back to this page. It updates itself after every scan and review.

[![mcp.market](https://mcp.market/badge/developerz-ai-ui-debugger-mcp.svg)](https://mcp.market/server/developerz-ai-ui-debugger-mcp)