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frontend-testing-debugging

Diagnose a frontend failure by correlating rendered behavior with browser console, network, DOM, application state, source maps, and focused tests before…

Skill by NeroWasTrolled

IndexedMIT
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Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/nerowastrolled-frontend-testing-debugging

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Diagnose a frontend failure by correlating rendered behavior with browser console, network, DOM, application state, source maps, and focused tests before implementing a fix.

Use cases: frontend, testing

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What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

Tools
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Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/frontend-testing-debugging

What's inside

Skill name
frontend-testing-debugging
Description
Diagnose a frontend failure by correlating rendered behavior with browser console, network, DOM, application state, source maps, and focused tests before implementing a fix.
License
MIT
Instructions
18 lines in SKILL.md · view on GitHub

Files (1)

  • SKILL.md

SKILL.md (first lines)

# Frontend Testing and Debugging

Reproduce the failure in the smallest realistic browser journey.

- Record browser, viewport, route, user state, data conditions, and exact actions.
- Inspect the earliest console exception and failed network request.
- Distinguish transport, API contract, state management, reactivity, rendering,
  CSS, browser compatibility, race, and stale-cache failures.
- Trace the owning source through source maps and component boundaries.
- Test one falsifiable hypothesis at a time using breakpoints, logs, request
  interception, throttling, or reduced fixtures.
- Add a regression test at the lowest level that reliably reproduces the user impact.
- Implement the smallest fix and repeat the browser journey plus relevant checks.

Do not hide exceptions, add arbitrary delays, or increase timeouts without proving
timing is the cause. Remove temporary instrumentation before delivery.

From NeroWasTrolled/gabriel-ai-devkit, MIT.

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Last commit (this folder)
Sep 3, 2026 (1 month ago)

From GitHub (fetched Oct 24, 2026).

Details

License
MIT
Repository
github.com/NeroWasTrolled/gabriel-ai-devkit
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
GitHubgithub-graphql

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Cite this page

frontend-testing-debugging skill. Agent Mart. https://agentmart.dev/skills/nerowastrolled-frontend-testing-debugging (last updated 2026-10-24)