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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
19,897measured
6,296proven reliable
RIFFCADE Reliable (measured) · 100% over 19 checks Partly does the job · 17/19

Free, ad-free open-source browser games that open and play right inside the chat.

MCP endpoint : https://mcp.riffcade.com/mcp · website · measurements and details
POSTFACT — Resolve Ambiguous Side Effects Before Retry Reliable (measured) · 100% over 41 checks Does the job (tested) · 41/41

Resolve whether an uncertain side-effecting action completed before software retries it.

MCP endpoint : https://postfact-api-production.up.railway.app/mcp · website · measurements and details
US federal rules taking effect Reliable (measured) · 100% over 41 checks Does the job (tested) · 41/41

Which published US federal rules take effect between two dates, and which CFR parts they amend?

MCP endpoint : https://referencesource.org/mcp/rules · website · measurements and details
Effect 中文文档 Not measured yet

Effect 官方文档的中文译文检索(234 页,v3 + v4)。每条结果带可核验引用:能点回原文小节、能看到该译文对着哪次上游提交译的。零依赖、离线自包含。

Package npm : effect-ts-cn-mcp · website · measurements and details
MUJ428 Trust Layer — Bind Approved Intent to Verified Effect Reliable (measured) · 100% over 3 checks Does the job (tested) · 3/3

Payment-rail-independent intent-to-effect integrity for consequential agent actions.

MCP endpoint : https://agents.muj428.com/mcp · website · measurements and details
After Effects MCP Private (key required)

An MCP connector for Adobe After Effects. Real, editable layers and keyframes, not scripts.

MCP endpoint : https://live.oneprism.io/after-effects · website · measurements and details
Blipsmith Sound Effects Private (key required) · 100% over 42 checks

Game sound effects from a text prompt: game-ready WAVs with seamless loops and variations.

MCP endpoint : https://blipsmith.ai/api/mcp · website · measurements and details
Sonilo Music & Sound Effects Not measured yet

Licensed soundtracks and sound effects matched to your video. Commercial use OK.

Package pypi : sonilo-mcp · website · measurements and details
AVI RIFF check, file discarded Reliable (measured) · 100% over 7 checks

AVI RIFF check, file discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/avi-riff/mcp · website · measurements and details
Make Effects Private (key required)

Generate reproducible image, video, and audio assets with leading models and your own provider keys.

MCP endpoint : https://makefx.app/mcp · website · measurements and details
PedalBro Being measured · 100% over 1 checks Real task being tested · 1/1

Guitar pedal specs, new and used prices, price history, review scores, board checks, buying guides.

MCP endpoint : https://api.pedalbro.com/mcp · website · measurements and details
Sonicake Pocket Master Not measured yet

Control a Sonicake Pocket Master guitar processor over USB MIDI: amps, effects and presets.

Package pypi : pocket-master-mcp · website · measurements and details
WAV RIFF check, file discarded Not measured yet

WAV RIFF check, file discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/wav-riff/mcp · website · measurements and details
Guitar Practice Routine App — Chord Charts Reliable (measured) · 100% over 3 checks

Look up a guitar chord by name and get a text chord diagram. 12,708 standard-tuning names.

MCP endpoint : https://mcp.guitarpracticeroutine.com/mcp · website · measurements and details
NUX MG-30 Not measured yet

Control a NUX MG-30 guitar processor over USB MIDI: amps, effects, knobs and presets.

Package pypi : nux-mg30-mcp · website · measurements and details
WAV RIFF check, file discarded Not measured yet

WAV RIFF check, file discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/wav-magic/mcp · website · measurements and details
nanoleaf-mcp Not measured yet

Nanoleaf LAN: info, state, power, effects.

Package npm : nanoleaf-mcp · website · measurements and details
Aviado AI Flaky · 96% over 25 checks

Cited supplement evidence, biomarker effects, interaction checks and brand quality

MCP endpoint : https://aviado.ai/api/mcp · website · measurements and details
Currency CAD Not measured yet

ISO 4217 currency CAD.

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

Browse venues, check availability, view effects, get pricing, and book architectural lighting.

MCP endpoint : https://app.lightres.com/api/mcp/sse · 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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