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The real catalog of tools for AI agents

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

44,737real tools
29,284callable over HTTPS
19,913measured
6,428proven reliable
Time & Astronomy Reliable (measured) · 100% over 3 checks

Current time by timezone, astronomy events, and moon phases

MCP endpoint : https://time.memoryapi.org/mcp · measurements and details
calendar-mcp Being measured · 0% over 2 checks

China holidays and lunar calendar lookup, solar-to-lunar conversion and yearly schedule.

MCP endpoint : https://mcp.pianam.cn/calendar-mcp/mcp · website · measurements and details
vietnamese-calendar Being measured · 0% over 2 checks

Vietnamese Lunar Calendar for date and calendar conversion, and cultural insights.

MCP endpoint : https://am-lich.com/mcp · measurements and details
Nolizi Calendar Reliable (measured) · 100% over 43 checks Fails real tasks · 0/43

Free scheduling your agent can book through: live availability, booking, verification, cancel.

MCP endpoint : https://calendar.nolizi.com/mcp · website · measurements and details
Lunacal Private (key required)

Schedule meetings, manage event types, and check availability through Lunacal's scheduling platform.

MCP endpoint : https://mcp.lunacal.ai/mcp · website · measurements and details
Coarse moon phase from UTC day Not measured yet

Coarse moon phase from UTC day

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/moon-phase-utc/mcp · website · measurements and details
netcafe-almanac Flaky · 95% over 20 checks Does the job (tested) · 19/19

Chinese almanac: lunar calendar, BaZi 八字, daily 宜忌, lucky-day picker, public holidays.

MCP endpoint : https://ainetcafe.com/mcp/almanac?s=registry · website · measurements and details
Coarse moon age 0-29 from UTC day Not measured yet

Coarse moon age 0-29 from UTC day

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/moon-age/mcp · website · measurements and details
snug-planner Private (key required)

The first official family-planner MCP: tasks, calendar, meals, shopping and reminders.

MCP endpoint : https://api.snugplanner.com/mcp · website · measurements and details
Calendar Agent by Nova (CIVAI) Flaky · 97% over 35 checks

I do everything related to calendar scheduling

MCP endpoint : https://nova.civai.co/mcp/agents/calendar-agent · website · measurements and details
Timezone Clock Not measured yet

Current time in a named IANA timezone.

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/timezone-clock/mcp · website · measurements and details
lock-in-study-planner Being measured · 0% over 1 checks

Study planner for high school students. Manage tasks, deadlines, and schedules.

MCP endpoint : https://lockinplanner.com/mcp · website · measurements and details
Veedio Short-Video Planner Flaky · 91% over 11 checks

Plan TikToks, Reels and Shorts: hook, timed beats, captions, CTA, plus the right Veedio tool page.

MCP endpoint : https://www.veedio.co/api/mcp/public · website · measurements and details
GMT clock Not measured yet

Current local time in GMT.

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-gmt/mcp · website · measurements and details
Akiflow Private (key required)

Official Akiflow MCP for tasks, calendars, scheduling, time slots, and meeting transcripts.

MCP endpoint : https://mcp.akiflow.com/mcp · website · measurements and details
UTC clock Not measured yet

Current local time in UTC.

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-utc/mcp · website · measurements and details
Sunrise & Sunset Times Reliable (measured) · 100% over 16 checks Does the job (tested) · 16/16

Sunrise, sunset, twilight, golden hour and moon times for any place on Earth. Free, no API key.

MCP endpoint : https://api.sunrise-sunset.org/mcp · website · measurements and details
reassign Private (key required)

Reassign: a circular 24-hour calendar and time-tracking copilot with ADHD-friendly scheduling.

MCP endpoint : https://reassign.app/api/mcp · website · measurements and details
Acuity Scheduling MCP by usefulapi Being measured · 100% over 2 checks

Read appointments, types, calendars and availability; create, cancel or reschedule bookings.

MCP endpoint : https://acuity-scheduling.usefulapi.io/mcp · website · measurements and details
Africa/Abidjan clock Not measured yet

Current local time in Africa/Abidjan.

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-africa-abidjan/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

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