Google tells you what exists. Faceabot tells you what holds up.
BCP 47 language tag shape
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/bcp47-ok/mcp · website · measurements and detailsBCP 47 lang attribute shape
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/html-lang-ok/mcp · website · measurements and detailsFind IANA ports, MIME types, HTTP codes/fields, URI schemes, PENs, BCP 47 tags, RFCs, any registry.
MCP endpoint :https://iana-registries.caseyjhand.com/mcp · website · measurements and detailstag: URI shape, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/tag-uri/mcp · website · measurements and detailsSVG root-tag shape, markup discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/svg-root-ok/mcp · website · measurements and detailsGitHub release tag URL shape, path discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/gh-rel-url/mcp · website · measurements and detailsGitHub release tag URL shape, path discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/gh-release-ok/mcp · website · measurements and detailsAccept-Language tag count, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/accept-lang-ok/mcp · website · measurements and detailsCitation Style Language locale shape, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/csl-ok/mcp · website · measurements and detailsISO 639 language tag aa.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/lang-aa/mcp · website · measurements and detailsISO 639 language tag af.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/lang-af/mcp · website · measurements and detailsISO 639 language tag am.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/lang-am/mcp · website · measurements and detailsISO 639 language tag ar.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/lang-ar/mcp · website · measurements and detailsISO 639 language tag as.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/lang-as/mcp · website · measurements and detailsISO 639 language tag az.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/lang-az/mcp · website · measurements and detailsISO 639 language tag be.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/lang-be/mcp · website · measurements and detailsISO 639 language tag bg.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/lang-bg/mcp · website · measurements and detailsISO 639 language tag bn.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/lang-bn/mcp · website · measurements and detailsISO 639 language tag bs.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/lang-bs/mcp · website · measurements and detailsISO 639 language tag ca.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/lang-ca/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 · Badge for tool publishers · Help · Privacy · Terms