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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
6,418proven reliable
Zeno Not measured yet

Review-gated bookkeeping in QuickBooks Desktop on Windows: reports, SQL, batches, reversal.

Package mcpb : https://github.com/Zeno-Services/zeno-quickbooks-desktop/releases/download/v1.18.2/zeno-quickbooks-desktop-1.18.2.mcpb · website · measurements and details
Lightspeed Retail (R-Series) MCP by usefulapi Reliable (measured) · 100% over 41 checks

Read Lightspeed R-Series items, stock, sales, customers and POs; create customers and set stock.

MCP endpoint : https://lightspeed-r-series.usefulapi.io/mcp · website · measurements and details
Zeno Flaky · 90% over 10 checks

AI bookkeeper for Swiss small companies: books invoices, reconciles the bank, keeps VAT current.

MCP endpoint : https://app.zeno-works.ch/mcp · website · measurements and details
Banco Central do Brasil (BCB) — SGS Time Series MCP Server Reliable (measured) · 100% over 41 checks Does the job (tested) · 41/41

Banco Central do Brasil (BCB): SGS series, Focus expectations, PTAX, stats + provenance. 17 tools.

MCP endpoint : https://bcb.sidneybissoli.com/mcp · website · measurements and details
Ephemeris Time-Series Forecasting Being measured · 100% over 2 checks

Probabilistic time-series forecasts from zero-shot foundation models: routed, single or ensembled.

MCP endpoint : https://ephemeris.cascade.industries/api/mcp · website · measurements and details
calculator-mcp-server Reliable (measured) · 100% over 41 checks

Evaluate, simplify, and differentiate mathematical expressions.

MCP endpoint : https://calculator.caseyjhand.com/mcp · website · measurements and details
Yeastar P-Series PBX Not measured yet

MCP server for Yeastar P-Series PBX System API (read-only).

Package oci : ghcr.io/wyre-ai/yeastar-mcp:v1.0.0 · website · measurements and details
Sigma Prep Math Worksheets Reliable (measured) · 100% over 11 checks Does the job (tested) · 11/11

Find free math worksheets (Pre-Algebra–Calculus, Statistics) as printable PDFs with answer keys.

MCP endpoint : https://www.sigmaprep.io/api/mcp · website · measurements and details
Mode VC: Series A Institutional Venture Capital Firms & Partners Private (key required)

Search institutional series-a venture capital firms, partner profiles, and valuation.

MCP endpoint : https://modevc.com/api/mcp/stage-series-a · website · measurements and details
LabJack T-series DAQ Not measured yet

MCP server for LabJack T4, T7/T7-Pro and T8 DAQ devices (LJM).

Package pypi : labmcp-labjack · website · measurements and details
Mode VC: Series B Growth Venture Capital Firms & Benchmarks Private (key required)

Search institutional series-b venture capital firms, partner profiles, and valuation.

MCP endpoint : https://modevc.com/api/mcp/stage-series-b · website · measurements and details
Uncertainty Calculator Being measured · 50% over 2 checks

Evaluate mathematical expressions and propagate measurement uncertainty.

MCP endpoint : https://uncertaintycalculator.com/api/mcp · website · measurements and details
create-starter Not measured yet

Scaffold Starter Series projects and check release, deployment, security, and agent instructions.

Package npm : starter-series · website · measurements and details
Jacobian Not measured yet

Executable mathematics and independent verification for AI agents.

Package npm : jacobian · website · measurements and details
mcp-sympy Not measured yet

MCP server that exposes SymPy's symbolic mathematics functionality

Package pypi : mcp-sympy · website · measurements and details
personal-finance Not measured yet

54 robust financial calculators based on deterministic mathematical principles.

Package pypi : personal-finance-mcp · website · measurements and details
Biomodels Being measured · 0% over 1 checks

BioModels — the public repository of curated, executable mathematical models of biological systems…

MCP endpoint : https://gateway.pipeworx.io/biomodels/mcp · website · measurements and details
Discrete Structures Not measured yet

Comprehensive tools for discrete mathematics: logic, algorithms, number theory, cryptography

Package pypi : discrete-structures-mcp · website · measurements and details
Datos Ar Being measured · 0% over 1 checks

Argentina 'Series de Tiempo' MCP — national time-series API (apis.datos.gob.ar).

MCP endpoint : https://gateway.pipeworx.io/datos-ar/mcp · website · measurements and details
mcp-manimgl Not measured yet

MCP server exposing manimgl mathematical animation functionality as tools for LLMs

Package pypi : mcp-manimgl · 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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