$ headless-seo-check http://127.0.0.1:4315 -a --json
--- stdout+stderr ---
headless-seo-check: checking http://127.0.0.1:4315 …
headless-seo-check: no sitemap found for http://127.0.0.1:4315
headless-seo-check:   looked at robots.txt, /sitemap.xml and /sitemap_index.xml
headless-seo-check:   use --urls /,/some-page to check specific pages instead
{
  "tool": "headless-seo-check",
  "version": "0.1.0",
  "checked_at_unix": 1786210247,
  "interrupted": false,
  "notes": [],
  "site": "http://127.0.0.1:4315",
  "fatal": {
    "code": "no-sitemap",
    "message": "no sitemap found for http://127.0.0.1:4315",
    "detail": [
      "looked at robots.txt, /sitemap.xml and /sitemap_index.xml",
      "use --urls /,/some-page to check specific pages instead"
    ]
  },
  "exit_code": 2
}
--- exit code: 2 ---