# Sites with an invalid ai.txt

A site-wide report: one row per host, over the access rows the crawl emitted.

## What this report returns

ai.txt (the Geodocs AI Agent Content Spec) states a site's AI attribution and citation preferences at `/ai.txt`.

A row appears here when any of these is wrong, worst first:

-   **Invalid Source URL**`Source-url` isn't an absolute http(s) URL, so agents can't resolve the canonical source to attribute.**Fix** Use a full URL, e.g. `Source-url: https://www.example.com/`.
-   **Unknown Attribution Value**`Attribution-required` is something other than `"yes"` or `"no"`, so the attribution preference can't be interpreted and is dropped.**Fix** Set it to exactly yes or no.

## The columns it shows

Every defect this technology can carry is a column in the grid, worst first, so nothing is hidden behind a filter you have to know to apply.

-   Host`host`
-   ai.txt Valid`aiTxtValid`
-   ai.txt Findings`aiTxtFindings`
-   ai.txt Directive Keys`aiTxtDirectiveKeys`
-   ai.txt Source URL Value`aiTxtSourceUrlValue`
-   ai.txt Attribution Value`aiTxtAttributionValue`
-   ai.txt Invalid Source URL`aiTxtInvalidSourceUrl`
-   ai.txt Unknown Attribution Value`aiTxtUnknownAttributionValue`

## About ai.txt

Attribution preferences for AI systems that use the content.

[Read how ai.txt is checked](https://agentic-readiness.lumar.io/docs/access/ai-txt), including the specification it is validated against and a worked correct and broken example.

## Running it

This report comes with Agentic Readiness in Lumar and appears on every crawl of any project that has it turned on. [See the whole set](https://agentic-readiness.lumar.io/scan-at-scale), or check a single URL with the [scanner on this site](https://agentic-readiness.lumar.io/), which runs the same code with no account.

[Get Lumar pricing →](https://www.lumar.io/pricing/)