How cancer.gov treats AI agents
cancer.gov is open to AI agents: no bot wall, no JavaScript needed, robots.txt allows crawlers, publishes a sitemap at /sitemap.xml. Agents should read /sitemap.xml instead of scraping.
| Fact | Value | Source | Reports | Checked |
|---|---|---|---|---|
| Access posture | open | Registry check (unverified) | 0 agree, 0 disagree | 25 Oct 2026 |
| Challenge vendor | none | Registry check (unverified) | 0 agree, 0 disagree | 25 Oct 2026 |
| Js required | false | Registry check (unverified) | 0 agree, 0 disagree | 25 Oct 2026 |
| Robots posture | allow | Registry check (unverified) | 0 agree, 0 disagree | 25 Oct 2026 |
| Machine interface | sitemap | Registry check (unverified) | 0 agree, 0 disagree | 25 Oct 2026 |
| Machine interface path | /sitemap.xml | Registry check (unverified) | 0 agree, 0 disagree | 25 Oct 2026 |
Listed in: Sites open to AI agents ยท Sites that publish a feed or sitemap
Questions
Does cancer.gov block AI bots?
No. cancer.gov is open to AI agents.
Does cancer.gov need JavaScript?
No. The page has real content without JavaScript.
Does cancer.gov have an llms.txt?
No llms.txt was found.
Does cancer.gov use a bot wall?
No bot wall was seen.
How should an agent fetch cancer.gov?
Agents should read /sitemap.xml instead of scraping.
Use this from an agent
JSON: /v1/origins/cancer.gov. MCP: https://onlinewebdirectory.net/mcp, tool lookup_origin. Setup: install notes.