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Input Validation Checker

Listed
jeremylongshore·vlatest·security·MIT

Verifies user inputs against defined rules to prevent errors, security vulnerabilities, and unexpected behavior.

Install on your platform

Showing Claude Code. One command installs this skill into any of the agents below.

  1. 1

    Run this in your project

    terminal
    $ npx skills add jeremylongshore/tons-of-skills-marketplace --skill input-validation-checker -a claude-code
  2. Uses the open-source skills CLI and needs Node.js. Add -g to install it for your user instead of this project.

What we know about this skill

Publisher

jeremylongshore

Taken from the source listing. We haven't verified who controls this account.

Install target

Live repository

Not pinned. Installing fetches whatever the repository holds at the time you run the command.

Nobody has reviewed this code. TrustedSkills indexes and links skills; it does not audit, run or scan them. A skill runs with whatever access you give your agent — read the source before you install it.

Automated safety checks

scanned

We could not read this skill's source, so none of the checks below were run.

Not scanned. none of the 396 skills in the repository match this slug — it was most likely renamed or removed upstream after the registry indexed it Source recorded as jeremylongshore/claude-code-plugins-plus-skills.
This is a static scan, not a review. It reads the skill's files; it does not run them, and it cannot tell you whether the skill is any good or whether the code does what its description says. A skill runs with whatever access you give your agent.
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About this skill

What it does

This skill checks user input against defined validation rules. It can identify invalid inputs and provide feedback, helping to prevent errors and improve data quality. The skill is designed for use in applications where user-provided data needs to be reliable and secure.

When to use it

  • Form Validation: Ensure users enter data correctly into web forms (e.g., email addresses, phone numbers).
  • Data Entry Systems: Validate data entered manually into databases or spreadsheets.
  • API Input Sanitization: Protect APIs from malicious input by checking for valid formats and ranges.
  • Chatbot Interactions: Verify user commands or requests to ensure they are properly formatted before execution.

Key capabilities

  • Input validation against defined rules
  • Identification of invalid inputs
  • Provision of feedback on errors

Example prompts

  • "Validate this email address: [email protected]"
  • "Check if the following is a valid US zip code: 90210-1234"
  • "Is 'abc' a valid password according to these rules: [password rules]"

Tips & gotchas

The skill requires clearly defined validation rules to be effective. The quality of the input validation depends heavily on the accuracy and completeness of the provided rules.