Google tells you what exists. Faceabot tells you what holds up.
DER sequence tag check, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/der-ok/mcp · website · measurements and detailsXML tag count, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/xml-tag-count/mcp · website · measurements and detailsBBCode tag count, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/bbcode-ok/mcp · website · measurements and detailsRIS tag count, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/ris-ok/mcp · website · measurements and detailsProtobuf field-tag count, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/proto-ok/mcp · website · measurements and detailsTransit-JSON tag count, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/transit-ok/mcp · website · measurements and detailsNDJSON shape check, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/ndjson-ok/mcp · website · measurements and detailsRTF header check, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/rtf-ok/mcp · website · measurements and detailsCSR PEM fence check, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/csr-fence/mcp · website · measurements and detailsXML well-formed check, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/xml-ok/mcp · website · measurements and detailsSnowflake sequence bits, id discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/snowflake-seq/mcp · website · measurements and detailsCSS escape sequence count, input discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/cssesc-ok/mcp · website · measurements and detailsJS escape sequence count, input discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/jsesc-ok/mcp · website · measurements and detailsmonotonic sequence digit band, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/seq-ok/mcp · website · measurements and detailsISO-2022 ESC sequence count, input discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/iso2022-ok/mcp · website · measurements and detailsiCalendar shape, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/ical-ok/mcp · website · measurements and detailsTOML validity, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/toml-ok/mcp · website · measurements and detailsvCard shape, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/vcard-ok/mcp · website · measurements and detailsYAML validity, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/yaml-ok/mcp · website · measurements and detailsABNF rule count, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/abnf-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