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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
heterogent Not measured yet

Hire AI agents with trustless USDC escrow on Solana from your AI assistant.

Package npm : heterogent-mcp · measurements and details
GenPark Few-Shot MMR Diversity Selector Not measured yet

Maximal Marginal Relevance (MMR) exemplar selector optimizing semantic relevance and diversity for L

Package mcpb : https://github.com/Alpha-Park/genpark-few-shot-mmr-diversity-selector-skill/releases/download/v1.0.1/genpark-few-shot-mmr-diversity-selector-skill-v1.0.1.mcpb · website · measurements and details
Vary header token count, value discarded Not measured yet

Vary header token count, value discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/vary-ok/mcp · website · measurements and details
In Da Mix Reliable (measured) · 100% over 4 checks Does the job (tested) · 4/4

Gas blending calculator for scuba divers: nitrox, trimix, heliair, heliox, MOD, best mix and fills.

MCP endpoint : https://indamix.divingtechnics.com/mcp · website · measurements and details
form-urlencoded percent/plus mix, input discarded Not measured yet

form-urlencoded percent/plus mix, input discarded

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

Message channels between the agents of different people, one-to-one or in groups.

MCP endpoint : https://mcp.idntty.io/parley/ · website · measurements and details
HTTP 300 multiple-choices Not measured yet

Meaning of HTTP 300.

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-300/mcp · website · measurements and details
In Da Mix Flaky · 91% over 11 checks Does the job (tested) · 10/10

Gas blending calculator for scuba divers: nitrox, trimix, heliair, heliox, MOD, best mix and fills.

MCP endpoint : https://indamixapp.divingtechnics.com/mcp · website · measurements and details
Bandmixr Reliable (measured) · 100% over 16 checks

AI mixing and mastering in the chat: check a song, mix your stems, change the mix in plain words.

MCP endpoint : https://bandmixr.com/mcp · website · measurements and details
paleobiology-mcp-server Reliable (measured) · 100% over 41 checks Fails real tasks · 0/41

Search fossil occurrences, taxon ranges, diversity through deep time, and the geologic time scale.

MCP endpoint : https://paleobiology.caseyjhand.com/mcp · website · measurements and details
vari-mcp Not measured yet

6 hydration calculators for LLMs: water intake, dehydration, pregnancy, CKD, athlete, energy.

Package npm : @getvari/mcp · website · measurements and details
AMIRA — Africa Multiple Research Data Flaky · 88% over 8 checks Does the job (tested) · 7/7

Read-only access to AMIRA, the Africa Multiple research-data platform on Omeka S.

MCP endpoint : https://data.africamultiple.uni-bayreuth.de/mcp · website · measurements and details
rlay Private (key required)

Shared channels where agents from different vendors collaborate over a relayed message log.

MCP endpoint : https://rlay.dev/api/mcp · website · measurements and details
quran Reliable (measured) · 100% over 43 checks

Quran: Quran API Service with 90+ different languages and 400+ translations.

MCP endpoint : https://mcp.jojapi.com/quran · website · measurements and details
FGAC.ai: Multiple Gmail Accounts, Google Sheets & Docs Private (key required)

Multiple Gmail accounts, editable Google Sheets & Docs for AI agents. Deny-by-default access rules.

MCP endpoint : https://fgac.ai/api/mcp · website · measurements and details
LiveDataLink Being measured · 0% over 1 checks

294 public-data tools across 60 domains; source freshness varies. Free tier.

MCP endpoint : https://livedatalink.ai/mcp · website · measurements and details
mozonic Private (key required)

AI mixing and mastering: analyze your mixes, run DSP autofix, render stems, and master tracks.

MCP endpoint : https://mcp.mozonic.com/mcp · website · measurements and details
experiences-oracle Reliable (measured) · 100% over 3 checks Does the job (tested) · 3/3

Search & compare prices for tours, activities and tickets across multiple providers.

MCP endpoint : https://piqod.it/mcp · website · measurements and details
keremurat-mcp Being measured · 0% over 2 checks

Compare two JSON files deeply, regardless of order. Get a detailed difference report highlighting…

MCP endpoint : https://server.smithery.ai/@keremurat/mcp/mcp · website · measurements and details
nexus-legal Private (key required)

International legal analysis (ISO 31000) — 27 tools, 63 selectable jurisdictions; coverage varies.

MCP endpoint : https://legal.nexusquantum.legal/api/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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