MCPInstall

form-testing

Use Cursor's browser to fill and submit every form in the app with valid and invalid data, verifying validation, error states, and success flows.

Installs
452
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Install

Works with every agent the skills CLI supports.

npx skills add https://github.com/spencerpauly/awesome-cursor-skills --skill form-testing
  1. 01

    Install

    Run the command in your project. The CLI asks which agents to install for.

  2. 02

    Describe the task

    Ask your agent for something this skill covers. It loads form-testing automatically when relevant.

  3. 03

    Review the result

    The agent follows the SKILL.md steps, scripts and references bundled with the skill.

SKILL.md

The instructions your agent reads when the skill is triggered.

Form Testing

Systematically test every form in the app using Cursor's built-in browser.

Workflow

1. Find All Forms

Use browser_snapshot to get the accessibility tree. Look for form elements, or groups of input, select, textarea elements.

Navigate through the app's main pages to discover all forms:

  • Login / signup pages
  • Settings / profile pages
  • Search bars
  • Contact / feedback forms
  • Checkout flows
  • Modals with inputs

2. Test Each Form

For each form, run three test passes:

Pass 1: Empty submission

  • Submit the form with all fields empty
  • Verify validation errors appear for required fields
  • Check that no server error occurs (should be client-side validation)

Pass 2: Invalid data

  • Email fields: enter notanemail
  • Password fields: enter a (too short)
  • Number fields: enter abc
  • Phone fields: enter 12345
  • URL fields: enter not-a-url
  • Check that appropriate error messages appear

Pass 3: Valid data

  • Fill every field with realistic test data using browser_fill or browser_fill_form
  • Submit the form
  • Verify success state (redirect, toast, confirmation message)
  • Check browser_console_messages for errors
  • Check browser_network_requests for failed API calls

3. Check Edge Cases

  • Double submission: Click submit twice quickly — should be prevented
  • Long input: Paste a very long string (1000+ chars) — should be truncated or rejected
  • Special characters: Enter <script>alert('xss')</script> — should be escaped
  • Tab order: Use browser_press with Tab to verify focus moves logically through fields

4. Report

Form Test Results:
  Login form (/login):
    Empty submit: PASS — shows "Email required", "Password required"
    Invalid email: PASS — shows "Invalid email"
    Valid submit: PASS — redirects to /dashboard
    XSS check: PASS — input escaped

  Settings form (/settings):
    Empty submit: FAIL — submits without validation, returns 500
    Valid submit: PASS — shows "Settings saved" toast

Fix any failures found.

FAQ

What does the form-testing skill do?

Use Cursor's browser to fill and submit every form in the app with valid and invalid data, verifying validation, error states, and success flows.

How do I install form-testing?

Run npx skills add https://github.com/spencerpauly/awesome-cursor-skills --skill form-testing in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/form-testing/ (personal) or .claude/skills/form-testing/ (project).

Which AI agents can use form-testing?

Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.

Is form-testing safe to install?

No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.

Who maintains form-testing?

It is published by spencerpauly in spencerpauly/awesome-cursor-skills. It has 452 recorded installs.

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