FaceabotFREN

The real catalog of tools for AI agents

Google tells you what exists. Faceabot tells you what holds up.

38,657real tools
24,539callable over HTTPS
5,808measured
1proven reliable
DOI Shape Not measured yet

Check a DOI shape.

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/doi-shape/mcp · website · measurements and details
DOI 10. prefix shape, id discarded Not measured yet

DOI 10. prefix shape, id discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/doi-ok/mcp · website · measurements and details
DOI 10. prefix shape, value discarded Not measured yet

DOI 10. prefix shape, value discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/doi-ok2/mcp · website · measurements and details
doi: URI suffix shape, value discarded Not measured yet

doi: URI suffix shape, value discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/doi-uri/mcp · website · measurements and details
https://doi.org/ URL shape, value discarded Not measured yet

https://doi.org/ URL shape, value discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/doi-url/mcp · website · measurements and details
UTC day of year Not measured yet

UTC day of year

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/doy-utc/mcp · website · measurements and details
Day-of-year 1-366 band Not measured yet

Day-of-year 1-366 band

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/doy-ok/mcp · website · measurements and details
Unix day-of-year from seconds Not measured yet

Unix day-of-year from seconds

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/unix-doy/mcp · website · measurements and details
ETag shape Not measured yet

ETag shape

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/etag-shape/mcp · website · measurements and details
CUID shape check Not measured yet

CUID shape check

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/cuid-shape/mcp · website · measurements and details
ISBN digit shape Not measured yet

ISBN digit shape

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/isbn-shape/mcp · website · measurements and details
KSUID shape check Not measured yet

KSUID shape check

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/ksuid-shape/mcp · website · measurements and details
Mongo ObjectId shape Not measured yet

Mongo ObjectId shape

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/objectid-shape/mcp · website · measurements and details
Firebase PushID shape Not measured yet

Firebase PushID shape

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/pushid-shape/mcp · website · measurements and details
Snowflake id shape Not measured yet

Snowflake id shape

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/snowflake-shape/mcp · website · measurements and details
TypeID shape check Not measured yet

TypeID shape check

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/typeid-shape/mcp · website · measurements and details
ULID shape check Not measured yet

ULID shape check

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/ulid-shape/mcp · website · measurements and details
UUID shape check Not measured yet

UUID shape check

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/uuid-shape/mcp · website · measurements and details
XID shape check Not measured yet

XID shape check

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/xid-shape/mcp · website · measurements and details
CIDR shape, value discarded Not measured yet

CIDR shape, value discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/cidr-shape/mcp · website · measurements and details

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