# AgentCheck > AgentCheck checks how ready a website is for AI agents, search assistants and browser automation: llms.txt and markdown versions of pages, robots.txt rules for AI crawlers, structured data, and controls an agent can use. A free web service at agentcheck.dev and an MIT-licensed CLI on npm. Paste a URL at https://agentcheck.dev for a score from 0 to 100 in four weighted categories (AI manifests 30%, bot access 20%, content and semantics 25%, agentic actionability 25%), a fix for every failed check, and generated fix files (robots.txt, llms.txt, llms-full.txt, a markdown version of the page, head tags) built from the site's own pages. ## Docs - [The home page in markdown](https://agentcheck.dev/index.md): what is checked and why, how it works, an example report, the CLI and the badge, questions and answers - [Every check](https://agentcheck.dev/checks.md): what each check looks at, when it passes, warns or fails, and the standard it rests on - [Full text](https://agentcheck.dev/llms-full.txt): the home page and the CLI reference in one file - [Source code](https://github.com/yanfishel/agentcheck): the engine, the CLI and the web service (MIT) - [CLI on npm](https://www.npmjs.com/package/agentcheck-dev): `npx agentcheck-dev ` and `npx agentcheck-dev fix ` ## Optional - [Privacy Policy](https://agentcheck.dev/privacy.md): what the service stores and for how long - [Terms of Use](https://agentcheck.dev/terms.md): the terms for using the hosted service