---
name: content-signals
description: Add Content-Signal lines to robots.txt
---

# Fix: contentSignals

**Probe:** `Content-Signal:` lines in robots.txt containing `ai-train`, `search`, and/or `ai-input`.

**Add** to `/robots.txt`:

```
Content-Signal: search=yes, ai-input=yes, ai-train=yes
```

Spec: https://contentsignals.org/