Handbook Validator (Grade A) logo

Handbook Validator (Grade A)Security-tested development skill for Claude AI. Grade A. Validate cursor-handbook structure, config, and component integrity. Use when the user asks to validate the setup, check for issues, or verify

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Daniel NikulshynReviewed by Daniel Nikulshyn·Updated July 2026

Overview

The Handbook Validator is a security-tested development skill for Claude AI, designed to validate the structure, configuration, and component integrity of a cursor-handbook. It checks for issues, verifies the handbook installation, and provides a summary report with pass/fail status and actionable fix suggestions. The validator performs basic and extended validation checks, including directory existence, configuration file presence, and component validity.

Key features

  • Validates .cursor/ directory existence
  • Checks project.json or project.json.template presence
  • Verifies hooks.json presence
  • Ensures at least one .mdc rule file exists
  • Checks for unresolved {{PLACEHOLDER}} values in project.json
  • Verifies skill folders contain a SKILL.md file

Pricing

Model
Free
Category
Skills
Rating
No reviews yet

Use cases

Handbook Setup Verification

Use the Handbook Validator to verify the setup of a new cursor-handbook project, ensuring that the directory structure and configuration files are correct.

Troubleshooting Handbook Issues

Run the Handbook Validator to identify and troubleshoot issues with an existing cursor-handbook project, such as missing components or configuration errors.

Pros & Cons

Pros

  • Provides a comprehensive validation report with clear pass/fail status
  • Offers actionable fix suggestions for issues found
  • Prioritizes FAIL items over WARN items
  • Distinguishes between blocking FAIL and advisory WARN issues

Cons

  • Requires a .cursor/ directory with a project setup
  • May not catch all possible configuration or component issues
  • Needs user confirmation for auto-fixing simple issues

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Q&A

Does it auto-fix issues?

The Handbook Validator offers to auto-fix simple issues, but never modifies files without user confirmation.

Asked by Amos Fältskog · Dec 8, 2025

Are there any prerequisites for using the Handbook Validator?

Yes, the Handbook Validator requires a .cursor/ directory with a project setup to function.

Asked by Paulo Cardoso · Nov 12, 2025

What type of report does it provide?

The validator provides a comprehensive validation report with clear pass/fail status and actionable fix suggestions for any issues found.

Asked by Ulrik Madsen · Sep 27, 2025

What does the Handbook Validator check?

The Handbook Validator checks the structure, configuration, and component integrity of a cursor-handbook, including directory existence, configuration file presence, and component validity.

Asked by Sanjay Gupta · Sep 5, 2025

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