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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
19,862measured
5,943proven reliable
ToolGrade Reliable (measured) · 100% over 6 checks Fails real tasks · 0/6

Grade MCP tool definitions for agent-readiness: score, A-F grade, fixes, est. token cost.

MCP endpoint : https://toolgrade.mike-tusa.workers.dev/mcp · website · measurements and details
What Agents Buy Reliable (measured) · 100% over 42 checks

Independent measured reviews of x402 API sellers: pre-payment verdicts and accuracy grades.

MCP endpoint : https://whatagentsbuy.com/mcp · website · measurements and details
Caliper Reliable (measured) · 100% over 42 checks Does the job (tested) · 42/42

Geometry and CAD file metadata extraction for STL, OBJ, PLY, PCD, LAS/LAZ, glTF/GLB.

MCP endpoint : https://caliper.fit/mcp/ · website · measurements and details
steel-tools Flaky · 75% over 4 checks

Steel takeoff, weight and gauge calculators plus RFQ, RFI, NCR and Bluebeam markup generators.

MCP endpoint : https://www.structupath.ai/api/mcp · website · measurements and details
ZeroWidth Caliper Being measured · 50% over 2 checks Real task being tested · 0/1

Build datasets and rubrics, then run evals that score your AI in Caliper.

MCP endpoint : https://api.zerowidth.ai/mcp/x/caliper · website · measurements and details
CuttingToolsAI Grade Cross-Reference Reliable (measured) · 100% over 42 checks

Cross-brand carbide grade equivalents from verified manufacturer charts; never invents a grade.

MCP endpoint : https://cuttingtoolsai-mcp.memmizgezgin.workers.dev · website · measurements and details
AstraNL Reliable (measured) · 100% over 43 checks Fails real tasks · 0/43

Dutch construction facts with measured accuracy + NL coordination. Never holds third-party funds.

MCP endpoint : https://astranl.com/mcp/streamable · website · measurements and details
Model Ruler — AI Cost Calculators Flaky · 88% over 8 checks Does the job (tested) · 5/5

Read-only AI/LLM cost tools with current MCP discovery and attributable Registry transport.

MCP endpoint : https://modelruler.dev/mcp?dist=model_everywhere_registry_native_official_registry · website · measurements and details
GradeTV Being measured · 0% over 1 checks

Public TV and radio catalogue with measured stream health, folders and M3U feeds for VLC.

MCP endpoint : https://gradetv.net/mcp · website · measurements and details
mcp Flaky · 88% over 8 checks

Price-action reads with measured accuracy: day-type odds, breakouts, public scoreboard

MCP endpoint : https://api.maddog.finance/mcp · website · measurements and details
Pfeiffer Vacuum Gauge Controller Not measured yet

MCP server for Pfeiffer Vacuum TPG 361/362/366 and TPG 261/262 gauge controllers.

Package pypi : labmcp-pfeiffer-tpg · website · measurements and details
principia Being measured · 0% over 2 checks

Source-graded registry of organizational measurement: constructs, priors, instruments, citations.

MCP endpoint : https://peopleprincipia.com/api/mcp · website · measurements and details
OKC Disc & Sciatica Next-Step Checker | Precision Care Chiropractic Reliable (measured) · 100% over 41 checks

Pain shooting down your leg? Answer a few questions about your lower back pain, sciatica, numbness,

MCP endpoint : https://okcsciaticacheck.com/api/mcp · website · measurements and details
mcp Being measured · 0% over 2 checks

Precision Concrete Coating MCP for services, estimates, scheduling, and business information.

MCP endpoint : https://app.precision-concretecoating.com/api/public/mcp · measurements and details
ZeroWidth Being measured · 0% over 1 checks

Search, write and run work across Compass, Workbench, Caliper, Ledger, Prism and Napkin.

MCP endpoint : https://api.zerowidth.ai/mcp · website · measurements and details
RiverWatch: USGS river levels & stream-flow gauges — per query Failing · 50% over 4 checks Real task being tested · 2/2

River levels & flood alerts: USGS gauges. $0.01/query. Register in-session — free testnet funds.

MCP endpoint : https://a2awire.com/mcp/data/riverwatch-usgs-river-levels-stream-flow-gauges-dc094e/http · website · measurements and details
mcp-gauge Flaky · 83% over 6 checks Fails real tasks · 0/5

Verify official facts with Bitcoin-anchored proof. 180+ signals, x402 pay-per-call.

MCP endpoint : https://api.truthbear.co/mcp · website · measurements and details
AstroWay Hellenistic and traditional Being measured · 0% over 1 checks

Lots, sect, triplicity rulers, zodiacal releasing, annual profections and horary.

MCP endpoint : https://mcp.astroway.info/mcp/hellenistic · website · measurements and details
Sewlore Measurement Reference Reliable (measured) · 100% over 36 checks Fails real tasks · 0/36

Search and read sewing measurement documentation, worked examples and tool references from Sewlore.

MCP endpoint : https://sewlore.gitbook.io/sewlore-docs/~gitbook/mcp · website · measurements and details
Alcock Arena Flaky · 86% over 7 checks Does the job (tested) · 5/5

AI forecasting gym: markets, sports, policy and tech. Graded by reality, measured against markets.

MCP endpoint : https://alcock.ai/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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