Free tools · No signup

Free tools

Small, stateless technical checks for website owners and developers. No login, no storage, results reflect the moment of the check.

Robots.txt & Sitemap Tester

Fetch and validate robots.txt, inspect sitemap URLs, and test whether your important pages are listed.

Agent Endpoint & Manifest Checker

Discover which public machine-readable agent interfaces your website exposes: agent card, llms.txt, OpenAPI, skill index, MCP metadata.