Google tells you what exists. Faceabot tells you what holds up.
ALPN h2/http/1.1 token, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/alpn-h2-ok/mcp · website · measurements and detailsALPN protocol token, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/alpn-ok/mcp · website · measurements and detailsALPN h3 token, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/h3-alpn-ok/mcp · website · measurements and detailsX-Forwarded-Proto https token, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/xfp-https/mcp · website · measurements and details:path absolute-path shape, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/path-h2-ok/mcp · website · measurements and detailsX-Forwarded-Proto http/https, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/xfp-ok/mcp · website · measurements and detailsHTTP-date IMF-fixdate shape, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/date-http/mcp · website · measurements and detailsExpires HTTP-date shape, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/expires-ok/mcp · website · measurements and detailsVia HTTP/1.1 hop count, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/via-http/mcp · website · measurements and detailshttps://doi.org/ URL shape, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/doi-url/mcp · website · measurements and detailsLast-Modified HTTP-date shape, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/lastmod-ok/mcp · website · measurements and detailsIf-Modified-Since HTTP-date, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/if-mod-ok/mcp · website · measurements and detailsIf-Unmodified-Since HTTP-date, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/if-unmod-ok/mcp · website · measurements and detailswhitespace-token charset, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/token-ok/mcp · website · measurements and detailsConnection token count, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/connect-ok/mcp · website · measurements and detailshashtag token charset, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/hashtag-ok/mcp · website · measurements and detailsPascalCase token count, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/pascal-n/mcp · website · measurements and detailspipe token count, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/pipe-seg/mcp · website · measurements and detailsPragma token charset, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/pragma-ok/mcp · website · measurements and detailsReferrer-Policy token, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/referrer-ok/mcp · website · measurements and detailsAI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt
Pulse: what is changing in agent commerce · Is your store ready for AI shopping agents? · State of MCP (weekly) · MCP server doctor · Open reliability data · Add Faceabot to your AI · Help · Privacy · Terms