Faceabot

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
4,581measured
0proven reliable
tax-year-constant-drift-lint Not measured yet

Finds the tax years, statutory limits, filing thresholds, rates and deadlines hardcoded in payroll a

Package npm : @readystack/tax-year-constant-drift-lint · website · measurements and details
Max UUID constant Not measured yet

Max UUID constant

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/uuid-max/mcp · website · measurements and details
Nil UUID constant Not measured yet

Nil UUID constant

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

One workspace of tools for Claude and ChatGPT: connect 600+ apps, generate media, build tools.

MCP endpoint : https://www.constants.io/api/mcp · website · measurements and details
databutler-tax Not measured yet

Take-home pay after tax and social contributions for nine countries, with tax year.

MCP endpoint : https://databutler.dev/api/mcp/tax · website · measurements and details
otel-collector-drift-lint Not measured yet

Finds the removed components and renamed attributes in an OpenTelemetry Collector config before the

Package npm : @readystack/otel-collector-drift-lint · website · measurements and details
Verified Numbers Not measured yet

Current source-cited 2026 US tax constants and calculators for AI agents; every answer cites IRS.

MCP endpoint : https://verified-numbers.mcpize.run · website · measurements and details
SigVest Not measured yet

Portfolio-aware finance tools: drift, risk, earnings, benchmarks, news, tax harvesting

MCP endpoint : https://mcp.getsigvest.com/mcp · website · measurements and details
UTC ISO week-yearing year Not measured yet

UTC ISO week-yearing year

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

UTC year

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

Leap year check

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/leap-year/mcp · website · measurements and details
Unix year number Not measured yet

Unix year number

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

ISO week-year

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/week-year/mcp · website · measurements and details
Whether the current UTC year is a leap year Not measured yet

Whether the current UTC year is a leap year

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/leap-utc/mcp · website · measurements and details
UTC leap-year flag Not measured yet

UTC leap-year flag

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/leap-year-utc/mcp · website · measurements and details
Days in current UTC year Not measured yet

Days in current UTC year

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/year-len/mcp · website · measurements and details
Execute bias-drift-monitor-mcp Not measured yet

Premium agentic endpoint for bias-drift-monitor-mcp.

MCP endpoint : https://api.m2mcent.com/bias-drift-monitor-mcp/sse · measurements and details
UXSense Drift Not measured yet

Behavioral drift context (Behavioral Load Map, hot paths, release brief) for coding agents, per PR.

MCP endpoint : https://app.uxsense.ai/api/mcp · website · measurements and details
Buddhist year band Not measured yet

Buddhist year band

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/buddhist-ok/mcp · website · measurements and details
Coptic year band Not measured yet

Coptic year band

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

AI 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