llms.txt checker and generator
Fetch the live root file, catch HTML fallbacks, inspect headings and links, then generate, preview, copy, or download a maintained starting file.
Use the free toolAgent readiness field guides
Make websites and repositories easier for agents to use—and safer to automate.
Ten foundational, source-linked guides cover discovery protocols, semantic HTML, accessible forms, repository instructions, browser-task evidence, and security boundaries. Five growth guides and two focused tools connect that evidence to the jobs agents do.
10 field guides + 5 growth guides 3 comprehensive workbooks 2 focused growth toolsHow the scanner scores
Free tools
Inspect a live artifact or choose the right audit
AI visibility vs. agent readiness
Separate answer-engine mentions and citations from owned-site task completion, with distinct evidence, denominators, and success metrics.
Compare the auditsOriginal research
Agentic Customer Journey Index
Explore 26 public-company profiles built around exact customer tasks, timestamped scanner evidence, coverage, safe stopping points, strengths, failures, and official sources.
Browse the research indexStart with a workbook
Deep practical guide
Website AI-Agent Readiness Checklist
A practical, evidence-based workbook for checking whether AI agents can discover, understand, navigate, and safely use a website.
Open workbookDeep practical guide
Semantic HTML for Reliable Browser Agents
A comprehensive pattern guide to landmarks, names, controls, state, errors, and task verification for humans and browser agents.
Open workbookDeep practical guide
AGENTS.md Starter Kit for Repositories
A comprehensive, reviewable starter kit for documenting repository scope, commands, architecture, safety boundaries, and proof of completion for coding agents.
Open workbookAll resources
agent-readiness 13 min
Website AI-Agent Readiness Checklist
A practical, evidence-based workbook for checking whether AI agents can discover, understand, navigate, and safely use a website.
Read guiderobots-txt 7 min
robots.txt, Sitemap, llms.txt, and ai-agent.json: What Each File Proves
Separate established web protocols from emerging agent conventions and verify what each discovery file can actually demonstrate.
Read guidesemantic-html 11 min
Semantic HTML for Reliable Browser Agents
A comprehensive pattern guide to landmarks, names, controls, state, errors, and task verification for humans and browser agents.
Read guidetestids 6 min
data-testid and data-agent Attributes: When Stable Hints Help
A decision rubric for adding durable automation hooks without replacing accessibility, exposing sensitive data, or freezing presentation details.
Read guideagents-md 10 min
AGENTS.md Starter Kit for Repositories
A comprehensive, reviewable starter kit for documenting repository scope, commands, architecture, safety boundaries, and proof of completion for coding agents.
Read guideci 5 min
Agent-Ready Repository: CI, Lint, Tests, and Safe Verification
Design a fast, deterministic verification ladder that helps coding agents prove scoped changes without mutating production systems.
Read guidesitemap 4 min
Is Your Sitemap Real? Detect HTML Catch-Alls and Canonical Errors
Verify sitemap status, media type, XML, canonical hosts, redirects, page truth, and last-modified dates instead of trusting a 200 response.
Read guideforms 5 min
Accessible Forms Are More Automatable Forms
Improve labels, input purpose, validation, focus, confirmation, and receipts so people and agents can complete forms reliably and safely.
Read guideagent-testing 5 min
Browser-Agent Test Suite: Navigation, Findability, and Safe Form Fill
Build repeatable browser-agent tasks for finding pages, citing facts, navigating, filling safely, recovering, and refusing consequence.
Read guideagent-security 4 min
Security Guardrails for Agent-Operable Websites
Design trust boundaries, least privilege, approval gates, secret controls, injection defenses, idempotency, and action logs for agent-assisted web actions.
Read guideGrowth content
Build for the jobs agents actually do
Five source-linked guides turn the category into practical work: agent-friendly websites, SEO versus agent readiness, the four agent modes, the second agent FTUE, and the minimum by goal.
agent-friendly-website
How to Build an Agent-Friendly Website in 2026
A practical sequence for making a website discoverable, understandable, operable, and safe when a customer delegates the task to an AI agent.
Read growth guideSEO
SEO vs. Agent Readiness: Getting Found Is Not the Same as Getting Used
Understand where technical SEO ends and agent task readiness begins, then connect discovery metrics to real delegated outcomes.
Read growth guidecomputer-use
The Four Ways AI Agents Use Websites: Search, Computer Use, Browser, and APIs
Design for the four agent modes that reach a site today: search and extraction, visual computer use, DOM and accessibility browsers, and APIs or tools.
Read growth guideagent-FTUE
Your Website Has a Second FTUE: Onboarding an AI Agent
Treat the first-time user experience for a delegated agent as a product surface with identity, intent, context, safe stops, and receipts.
Read growth guideagent-readiness
Minimum Agent Readiness by Goal: Signups, Ranking, Product Use, and More
A goal-by-goal minimum checklist for discovery and recommendation, signup and leads, booking, commerce, and API or product use.
Read growth guideChoose an outcome
Related launch checks
After improving agent readability, use AgentTesting for behavior checks and LaunchReady for the broader launch-readiness pass.
Begin with evidence from your public URL
The free scan checks protocol, DOM/accessibility, content, browser compatibility, and public safety signals. It is a diagnostic, not a certification.
Scan a public URL free