AI Agent Readiness: How to Make Your Site Visible to AI Agents

Most websites were built for human visitors and search engine crawlers. But a new kind of visitor is growing fast — AI agents. These are automated systems that browse, read and interact with websites on behalf of users. If your site is not set up to welcome them, you are invisible to the next generation of web infrastructure.

What is AI Agent Readiness?

AI Agent Readiness means your website publishes the right signals and files that AI agents, crawlers and automated tools need to discover, understand and interact with your site. Think of it like having a proper sign on your shop door — without it, automated systems pass you by.

Why does it matter?

AI agents are increasingly being used to find information, book services, compare products and complete tasks online. Sites that publish discovery files get cited more often in AI-generated responses and integrated into AI workflows. Sites that don't are effectively invisible.

The 4 areas you need to fix

Area 1

Discovery Files

These are files AI agents look for when they visit your site. The most important is llms.txt — a plain text file at the root of your site that tells AI models what your site is about, what pages are important, and how you want your content used. You also need an API catalog, MCP server card and A2A agent card in your /.well-known/ directory.

Area 2

Content Access

AI agents prefer to receive content in clean formats. Creating a llms.md file gives agents a markdown version of your site summary. Setting up content negotiation means your server returns markdown automatically when an agent requests it. Adding a Content-Signal directive to your robots.txt declares your AI training preferences.

Area 3

Security Headers

AI agents check your security headers as trust signals. You need a Content-Security-Policy (CSP) header, HSTS for enforcing HTTPS, and RFC 8288 Link headers pointing to your discovery files. Remove deprecated headers like X-XSS-Protection which modern agents flag as a red flag.

Area 4

AI Crawler Access

Check your robots.txt explicitly allows the major AI crawlers: GPTBot (OpenAI), ClaudeBot (Anthropic), PerplexityBot and Google-Extended. Many sites accidentally block these crawlers with overly broad disallow rules.

💡 Quick win: Start with llms.txt — it is a single plain text file you can create in 10 minutes that immediately improves your AI discoverability.

What to do next

Run the free AI Agent Readiness audit on your domain
Create /llms.txt at your root — see llmstxt.org for the spec
Add Content-Signal: ai-train=no, search=yes, ai-input=no to your robots.txt
Allow GPTBot, ClaudeBot, PerplexityBot and Google-Extended in robots.txt
Create your /.well-known/ discovery files
Add a Link header pointing to your llms.txt

🛰️ Check your AI Agent Readiness score

Run a free audit on your domain. See which of the 16 checks you pass and get specific fix instructions for any that fail.

Run free audit →