95 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Discover and fetch a site's A2A (Agent2Agent protocol) Agent Card - tries /.well-known/agent-card.json then /.well-known/agent.json (or fetches a direct .json URL as-is) - and validate it against the spec v0.3 structural...
Does https://<domain>/apple-touch-icon.png exist? Requests the path and returns the HTTP status, content type, size and the first 300 characters when it is text. Presence of apple-touch-icon.png tells you about the site'...
Matrix homeserver check: reads /.well-known/matrix/server (federation delegation) and /.well-known/matrix/client (client base URL, identity server), probes the federation version endpoint on the delegated host, and retur...
OpenID Connect discovery for an issuer: fetches /.well-known/openid-configuration and summarises issuer, authorization/token/userinfo/jwks/end-session/registration endpoints, supported scopes, response types, grant types...
Does https://<domain>/security.txt exist? Requests the path and returns the HTTP status, content type, size and the first 300 characters when it is text. Presence of security.txt tells you about the site's tooling and po...
Does https://<domain>/robots.txt exist? Requests the path and returns the HTTP status, content type, size and the first 300 characters when it is text. Presence of robots.txt tells you about the site's tooling and polici...
Does https://<domain>/humans.txt exist? Requests the path and returns the HTTP status, content type, size and the first 300 characters when it is text. Presence of humans.txt tells you about the site's tooling and polici...
Does https://<domain>/ads.txt exist? Requests the path and returns the HTTP status, content type, size and the first 300 characters when it is text. Presence of ads.txt tells you about the site's tooling and policies. $0...
Does https://<domain>/app-ads.txt exist? Requests the path and returns the HTTP status, content type, size and the first 300 characters when it is text. Presence of app-ads.txt tells you about the site's tooling and poli...
Does https://<domain>/sellers.json exist? Requests the path and returns the HTTP status, content type, size and the first 300 characters when it is text. Presence of sellers.json tells you about the site's tooling and po...
Does https://<domain>/llms.txt exist? Requests the path and returns the HTTP status, content type, size and the first 300 characters when it is text. Presence of llms.txt tells you about the site's tooling and policies....
Does https://<domain>/llms-full.txt exist? Requests the path and returns the HTTP status, content type, size and the first 300 characters when it is text. Presence of llms-full.txt tells you about the site's tooling and...
Does https://<domain>/sitemap.xml exist? Requests the path and returns the HTTP status, content type, size and the first 300 characters when it is text. Presence of sitemap.xml tells you about the site's tooling and poli...
Does https://<domain>/sitemap_index.xml exist? Requests the path and returns the HTTP status, content type, size and the first 300 characters when it is text. Presence of sitemap_index.xml tells you about the site's tool...
Does https://<domain>/feed exist? Requests the path and returns the HTTP status, content type, size and the first 300 characters when it is text. Presence of feed tells you about the site's tooling and policies. $0.01 pe...
Does https://<domain>/rss exist? Requests the path and returns the HTTP status, content type, size and the first 300 characters when it is text. Presence of rss tells you about the site's tooling and policies. $0.01 per...
Does https://<domain>/atom.xml exist? Requests the path and returns the HTTP status, content type, size and the first 300 characters when it is text. Presence of atom.xml tells you about the site's tooling and policies....
Does https://<domain>/feed.xml exist? Requests the path and returns the HTTP status, content type, size and the first 300 characters when it is text. Presence of feed.xml tells you about the site's tooling and policies....
Does https://<domain>/manifest.json exist? Requests the path and returns the HTTP status, content type, size and the first 300 characters when it is text. Presence of manifest.json tells you about the site's tooling and...
Does https://<domain>/site.webmanifest exist? Requests the path and returns the HTTP status, content type, size and the first 300 characters when it is text. Presence of site.webmanifest tells you about the site's toolin...
Does https://<domain>/browserconfig.xml exist? Requests the path and returns the HTTP status, content type, size and the first 300 characters when it is text. Presence of browserconfig.xml tells you about the site's tool...
Does https://<domain>/favicon.ico exist? Requests the path and returns the HTTP status, content type, size and the first 300 characters when it is text. Presence of favicon.ico tells you about the site's tooling and poli...
Does https://<domain>/opensearch.xml exist? Requests the path and returns the HTTP status, content type, size and the first 300 characters when it is text. Presence of opensearch.xml tells you about the site's tooling an...
Does https://<domain>/crossdomain.xml exist? Requests the path and returns the HTTP status, content type, size and the first 300 characters when it is text. Presence of crossdomain.xml tells you about the site's tooling...