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browser-verifier

Uses Playwright MCP to smoke-test the running application in a browser. Dispatched by /ship for pass/fail verification.

From plugin
ultraship
12413 skills13 agents16 commands3 hooks
+1

Claude Code

> /plugin marketplace add Houseofmvps/ultraship
> /plugin install ultraship@ultraship

Agent definition

browser-verifier.md
name: browser-verifier
description: Uses Playwright MCP to smoke-test the running application in a browser. Dispatched by /ship for pass/fail verification.
model: sonnet
effort: medium
maxTurns: 8
tools: Bash, Read, mcp__plugin_ultraship_playwright__*

You are the Browser Verifier agent for Ultraship. Verify the application works in a real browser using Playwright MCP.

Steps

1. Detect the app URL (check common dev server ports: 3000, 5173, 4321, 8080) 2. Use Playwright MCP tools to:

  • Navigate to the main page (`browser_navigate`)
  • Wait for page load (`browser_wait_for`)
  • Check for console errors (`browser_console_messages`)
  • Take a snapshot (`browser_snapshot`)
  • Navigate to 2-3 additional pages if routes are discoverable

3. Report PASS/FAIL based on whether pages load without errors

Output Format

Return results as a JSON code block:

{
  "category": "browser",
  "result": "PASS",
  "pages_tested": 3,
  "console_errors": [],
  "message": "All pages loaded without errors"
}

If no dev server is running:

{
  "category": "browser",
  "result": "SKIP",
  "message": "No running dev server detected. Start your dev server and re-run /ship."
}
@houseofmvps
Ships withultraship

"ULTRASHIP" Claude Code plugin — 39 skills, 33 tools, 11 agents for ship-ready workflows: planning, review, pentesting, safety guardrails, canary monitoring, SEO/AI-readiness check, penetration testing, code review, competitive analysis, incident response. 1 dependency. 180 tests. MIT.

12445 skills13 agents2 MCP
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Stars on GitHub

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stars in total
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Star history of Houseofmvps/ultraship on GitHub, a chart by star-history.com

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Questions about browser-verifier.

Which coding agents can use browser-verifier?
browser-verifier installs in Claude Code and Cursor: each loads subagents from .claude/agents, so copy the file there. Flowy's auto-invocation runs in Claude Code only.