# Automatically Validate Your Documentation: How We Built a Tutorial Validator
# Automatically Validate Your Documentation: How We Built an AI Tutorial Validator
> If you're in a hurry and want to quickly check the repository, you can find the source code of the AI Tutorial Validator here 👉 [github.com/abpframework/ai-tutorial-validator](https://github.com/abpframework/ai-tutorial-validator)
Writing a tutorial is difficult. Keeping technical documentation accurate over time is even harder.
If you maintain developer documentation, you probably know the problem: a tutorial that worked a few months ago can silently break after a framework update, dependency change, or a small missing line in a code snippet.
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## How the Tutorial Validator Works?
the tutorial validator validates tutorials using a three-stage pipeline:
The tutorial validator validates tutorials using a three-stage pipeline:
1. **Analyst**: Scrapes tutorial pages and converts instructions into a structured test plan
2. **Executor**: Follows the plan step by step in a clean environment
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You can find the source-code of the tutorial validator at this repo 👉 https://github.com/abpframework/tutorial-validator
You can find the source-code of the tutorial validator at this repo 👉 [github.com/abpframework/tutorial-validator](https://github.com/abpframework/ai-tutorial-validator)
We would love to hear your feedback, ideas and waiting PRs to improve this application.