Google tells you what exists. Faceabot tells you what holds up.
Meaning of HTTP 404.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-404/mcp · website · measurements and detailsMeaning of HTTP 302.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-302/mcp · website · measurements and detailsMeaning of HTTP 304.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-304/mcp · website · measurements and detailsMeaning of HTTP 406.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-406/mcp · website · measurements and detailsMeaning of HTTP 501.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-501/mcp · website · measurements and detailsMeaning of HTTP 405.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-405/mcp · website · measurements and detailsRisk preflight for AI Agent tool actions and Polymarket settlement and execution checks.
MCP endpoint :https://404.directory/mcp · website · measurements and detailsReport capabilities needed and not found. Requests aren't fulfilled.
MCP endpoint :https://beacon.sophomath.com/mcp · website · measurements and detailsReal academic citations with printed page numbers - verified sources or an honest not-found.
MCP endpoint :https://cytado.com/api/mcp · website · measurements and detailsProduction proofs for breaking JSON Schema/MCP changes; UNKNOWN/NO_WITNESS_FOUND not compatible.
MCP endpoint :https://witness-contractwitness-production.witness-test.workers.dev/mcp · measurements and detailsLive AI visibility measurements from Are you found by AI?, queryable by your own AI.
MCP endpoint :https://areyoufoundbyai.com/mcp/demo · website · measurements and detailsManage Apollo invoices and customers with entity-scoped OAuth and optional read/write access.
MCP endpoint :https://eu.spaceinvoices.com/mcp/r/wlr_156199db8087faa6901fdb63ed664604 · website · measurements and detailsSearch open US class-action settlements to claim + official free state unclaimed-money portals.
MCP endpoint :https://found-money.dropwatchhq.com/mcp · website · measurements and detailsMeaning of HTTP 505.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-505/mcp · website · measurements and detailshttp/https scheme check, URL discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/url-scheme-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 detailsMeaning of HTTP 100.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-100/mcp · website · measurements and detailsMeaning of HTTP 102.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-102/mcp · website · measurements and detailsMeaning of HTTP 200.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-200/mcp · website · measurements and detailsMeaning of HTTP 201.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-201/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