After Docs Migrations
When docs move to a new host or path structure, this checker confirms llms.txt still points to active and meaningful URLs.
AI Tools
llms.txt Checker
Validate llms.txt availability and review its content quickly so AI assistant discovery and documentation routing stay reliable.
Use this checker after docs updates, support URL changes, or platform migrations to confirm machine-readable guidance still resolves correctly.
Pair with the robots.txt Checker, Redirect Checker, and Security Headers Checker for complete crawl + delivery diagnostics.
Ready
Run a check to inspect llms.txt.
The tool validates availability, response status, and a readable content preview.
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File Summary
Line-by-Line Snapshot
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When This Checker Is Most Useful
Before Publishing AI Integrations
Run this before launching chatbot or assistant integrations so retrieval guidance does not reference stale pages.
During Support Noise Spikes
If users report outdated assistant answers, check llms.txt quickly to confirm your file still reflects current docs and support routes.
As Part of Release QA
Add this check to release checklists alongside robots.txt, redirects, and status checks to catch accidental path drift early.
Frequently Asked Questions
What does this checker validate first?
It first checks whether /llms.txt resolves, then reports status code, content type, and a line preview so teams can review the file fast.
Do I still need robots.txt if I use llms.txt?
Yes. robots.txt and llms.txt serve different jobs. robots.txt controls crawler access, while llms.txt provides AI-focused discovery guidance.
Can I export results for my team?
Yes. You can download the file preview and a JSON report for tickets, handoffs, or release audits.
Is this llms.txt checker free?
Yes. It is free for normal diagnostics use.