# Testing Browser Manual

> Manual browser UI verification via MCP snapshots with reproducible steps and observed behavior; not automation design Use when this capability is needed.

- Skill: `tomevault-io/testing-browser-manual` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add tomevault-io/testing-browser-manual`
- Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/testing-browser-manual/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- Author: tomevault-io (https://skillmd.com/u/tomevault-io)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/tomevault-io/testing-browser-manual

---


<input_requirements>
  <required>Environment URL and access</required>
  <required>Key user scenarios list</required>
  <required>Success criteria for each scenario</required>
  <optional>Supported browsers and versions</optional>
  <optional>Key resolutions/breakpoints</optional>
  <optional>Test accounts and data</optional>
  <optional>Environment constraints (rate limits, feature flags)</optional>
</input_requirements>

<preparation>
  <steps>
    <step>Verify the environment and build freshness</step>
    <step>Create a new context/page via MCP</step>
    <step>Do the first navigation to start network/console logging</step>
    <step>Fix viewport, language, and locale</step>
    <step>Clear cookies/localStorage when needed</step>
  </steps>
</preparation>

<execution_rules>
  <rule importance="critical">Steps are executed via agent tools and are reproducible</rule>
  <rule importance="critical">Actions are done by snapshot ref, not by screenshot</rule>
  <rule importance="critical">Verify UI and system reactions (errors, states)</rule>
  <rule importance="high">Cover positive and negative scenarios</rule>
  <rule importance="high">Verify accessibility (keyboard navigation, focus, aria)</rule>
  <rule importance="high">Verify responsive behavior at key breakpoints</rule>
  <rule importance="high">Note dependencies on data and state</rule>
  <rule importance="medium">Record regression signals and visual artifacts</rule>
</execution_rules>

<coverage>
  <focus>
    <item>Primary user paths</item>
    <item>Form validation and errors</item>
    <item>Loading states and empty states</item>
    <item>Navigation and routing</item>
  </focus>
</coverage>

<quality_rules>
  <rule importance="critical">Expected outcome is stated unambiguously</rule>
  <rule importance="high">No duplicate scenarios with different wording</rule>
  <rule importance="high">UI errors and network errors are distinguished and verified separately</rule>
  <rule importance="high">Network/console logs are checked after navigation or actions</rule>
  <rule importance="high">Viewport/browser are recorded in the result</rule>
  <rule importance="medium">If result recording is needed, use a single consistent format</rule>
</quality_rules>

<do_not>
  <item importance="critical">Do not test production without permission</item>
  <item importance="high">Do not use real user data</item>
  <item importance="high">Do not ignore errors in console and network logs</item>
  <item importance="high">Do not rely on visual match without checking DOM state</item>
</do_not>

<agent_checklist>
  <item importance="critical">Test goal and success criteria are stated</item>
  <item importance="critical">Environment and access are confirmed</item>
  <item importance="high">Start route and session state are defined</item>
  <item importance="high">Viewport/browser/locale are fixed</item>
  <item importance="high">Steps and expected UI states are listed</item>
  <item importance="high">Network/console checks are planned</item>
  <item importance="medium">Test boundaries and exclusions are captured</item>
</agent_checklist>

<example_checks>
  <check>Verify validation error display for an empty required field</check>
  <check>Verify correct handling of 401/403 for an expired session</check>
  <check>Verify keyboard form navigation and visible focus</check>
</example_checks>

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<!-- tomevault:4.0:skill_md:2026-04-11 -->