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Validator Tool

llms.txt Validator

Check if your llms.txt file follows the specification and get suggestions to improve it.

Validate Your llms.txt

Paste your llms.txt content or enter a URL to validate

llms.txt Content

Supports both JSON and plain text (key: value) formats

How Validation Works

Format Check

We check if your file is valid JSON or follows the key: value format.

Field Validation

Required and recommended fields are checked for presence and quality.

Quality Score

Get a 0-100 score based on completeness, detail, and best practices.

Validate llms.txt | ContextFile.ai | ContextFile.ai