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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
CELPass: CELPIP practice and CRS calculator Reliable (measured) · 100% over 3 checks Partly does the job · 2/3

CELPIP practice questions with answers, sample answers, and Canada's November 2026 CRS calculator.

MCP endpoint : https://celpass.com/mcp · website · measurements and details
Practice Better MCP by usefulapi Reliable (measured) · 100% over 27 checks

Read Practice Better clients, sessions, availability, services, packages, invoices and forms.

MCP endpoint : https://practice-better.usefulapi.io/mcp · website · measurements and details
Examova — Exam Prep Reliable (measured) · 100% over 43 checks Does the job (tested) · 43/43

Practice questions, exam facts & study guides for professional certification exams.

MCP endpoint : https://examova.com/api/mcp · website · measurements and details
English Test Coach Being measured · 0% over 1 checks

IELTS writing practice, study plans, lessons and vocabulary with optional account tools.

MCP endpoint : https://englishtestcoach.com/mcp · website · measurements and details
Agent Workspace Practice Reliable (measured) · 100% over 41 checks

Search + patterns, maturity assessment, context pricing, redaction checks - a practice as tools.

MCP endpoint : https://jamesross.ai/mcp · website · measurements and details
Joe Speaking Private (key required)

Read-only IELTS and CELPIP question banks, learner practice, progress, scores, and feedback.

MCP endpoint : https://mcp.joespeaking.com/mcp · measurements and details
CISSP Study Group - CISSP Exam Prep & Practice Questions Private (key required)

CISSP exam prep: 3,600+ practice questions, study stats, and readiness scoring

MCP endpoint : https://cissp-mcp-server.cissp.workers.dev/mcp · website · measurements and details
OathReady: Canadian Citizenship Test Flaky · 89% over 9 checks Does the job (tested) · 8/8

Canadian citizenship test practice: verified questions, mock tests, IRCC stats, eligibility tools.

MCP endpoint : https://oathready.ca/api/mcp · website · measurements and details
Fabling Private (key required)

Practice Spanish and French using saved vocabulary, grammar progress, and practice focus.

MCP endpoint : https://fabling.app/api/mcp · website · measurements and details
ISO country CR Being measured · 100% over 2 checks

Public ISO 3166-1 record for CR.

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/cc-cr/mcp · website · measurements and details
RPV Calculator Flaky · 93% over 14 checks Does the job (tested) · 13/13

Belgian procedural indemnity (rechtsplegingsvergoeding) amounts, indexed to the CPI for any date.

MCP endpoint : https://www.rpv-calculator.be/mcp · website · measurements and details
Freudly psychological tests Reliable (measured) · 100% over 43 checks Does the job (tested) · 42/42

Find psychological self-assessment tests in English, Spanish and Russian, with links to take them.

MCP endpoint : https://freudly.ai/mcp · website · measurements and details
calculators Flaky · 92% over 13 checks

Tested financial & practical calculators as free, no-auth MCP tools for AI agents.

MCP endpoint : https://calcfleet.com/api/mcp · website · measurements and details
Scientific Math Calculator MCP Private (key required)

Safe scientific calculator MCP for numeric expressions

MCP endpoint : https://mcp.nexlab.net/mcp/scientific-math-calculator · website · measurements and details
Crs Reports Being measured · 0% over 1 checks

Congressional Research Service reports — Congress's own nonpartisan analysis, searchable and…

MCP endpoint : https://gateway.pipeworx.io/crs-reports/mcp · website · measurements and details
Azul CR — Costa Rica Local Business Data Flaky · 75% over 4 checks

Costa Rica local business directory — verified businesses, jobs, events, specials. Read-only.

MCP endpoint : https://azul.cr/api/mcp · website · measurements and details
Claude certification practice exams and AI blog Reliable (measured) · 100% over 32 checks Does the job (tested) · 32/32

Free, unofficial practice questions for four Claude certifications, plus an AI blog (EN/PL).

MCP endpoint : https://szymonpaluch.com/mcp · website · measurements and details
AI Citizenship Flaky · 83% over 6 checks Does the job (tested) · 5/5

Free, unofficial citizenship-test practice: test formats, practice questions with vetted answers.

MCP endpoint : https://aicitizenship.maneratech.com/mcp · website · measurements and details
LF vs CRLF vs CR, text discarded Not measured yet

LF vs CRLF vs CR, text discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/newline-kind/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

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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