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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
UK Rules & Rates Reliable (measured) · 100% over 15 checks Fails real tasks · 0/15

Sourced, date-aware UK tax and payroll rates, deadlines and UK business checks, with GOV.UK sources.

MCP endpoint : https://ukrules.dailylifeelevation.workers.dev/mcp · website · measurements and details
databutler-uk-rates Reliable (measured) · 100% over 17 checks Does the job (tested) · 17/17

Current UK tax-year rates and thresholds, verified against gov.uk with source URLs and dates.

MCP endpoint : https://databutler.dev/api/mcp/uk-rates · website · measurements and details
databutler-uk-vehicle-rules Reliable (measured) · 100% over 17 checks Does the job (tested) · 17/17

UK vehicle tax (VED) bands, expensive-car supplement, EV rules and MOT fees, sourced.

MCP endpoint : https://databutler.dev/api/mcp/uk-vehicle-rules · website · measurements and details
Rules Lookup Reliable (measured) · 100% over 43 checks Does the job (tested) · 30/30

Read the rule itself instead of a summary of it.

MCP endpoint : https://rules.openkrill.app/mcp · website · measurements and details
ca-rate-filings Being measured · 0% over 2 checks

Natural-language search over California's public insurance rate, rule & form filings.

MCP endpoint : https://api.serff.ai/mcp · website · measurements and details
SMKlog Parcel Shipping Rates Reliable (measured) · 100% over 42 checks Fails real tasks · 17/42

Live USPS, UPS, FedEx and DHL rates from the US: domestic, Canada, UK, Germany, Australia. No scale.

MCP endpoint : https://quote-api.smklog.com/mcp · website · measurements and details
MYOPL MCP Server - Official Pickleball Rules & Ratings Being measured · 0% over 1 checks

Official 2026 USA Pickleball rules, free 4-decimal OPL ratings, and court/club/open play discovery.

MCP endpoint : https://api.myopl.net/mcp · website · measurements and details
AIData.Broker Reliable (measured) · 100% over 15 checks Does the job (tested) · 15/15

Published prices, market rates, buyers, deals and rulings for AI training data, and valuations.

MCP endpoint : https://aidata.broker/mcp · website · measurements and details
Neptune Cigars Being measured · 0% over 2 checks

Premium cigar search, community ratings, live availability and US state shipping rules.

MCP endpoint : https://mcp.neptunecigar.com/mcp · website · measurements and details
Rules-Generator-Pro Being measured · 0% over 1 checks

Automated .cursorrules and system prompt generator.

MCP endpoint : https://rules-gen-mcp.vercel.app/api/mcp · measurements and details
Tipping Rules Reliable (measured) · 100% over 42 checks Does the job (tested) · 41/42

Read-only travel tipping for 140 destinations: search, country rules, and tip calculator.

MCP endpoint : https://www.tippingrules.com/api/mcp · website · measurements and details
RegEvidenceHub Waste Flaky · 83% over 6 checks Does the job (tested) · 5/5

RegEvidenceHub Waste: England waste registration, DWT readiness and permit-change preflight.

MCP endpoint : https://waste.regevidencehub.com/ai/mcp · website · measurements and details
CSS rule count, stylesheet discarded Not measured yet

CSS rule count, stylesheet discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/css-rule-count/mcp · website · measurements and details
showrealcost Reliable (measured) · 100% over 41 checks Does the job (tested) · 41/41

Loan-cost math: payments, payoff time, offers with fees, payday loans, Rule of 78s, Fed rates.

MCP endpoint : https://mcp.showrealcost.com/mcp · website · measurements and details
Rule-Porter Being measured · 0% over 1 checks

Multi-IDE settings translator mapping shortcuts between apps.

MCP endpoint : https://rule-porter-mcp.vercel.app/api/mcp · measurements and details
Scanverity Resolution Rules Being measured · 100% over 2 checks

Polymarket contract search and settlement rules. MCP needs approval; request written reports openly.

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

Work an offside call through IFAB Law 11 or NHL Rule 83, step by step.

MCP endpoint : https://sports-rules.gumballtools.com/api/mcp · website · measurements and details
Execute certora-rule-generator-mcp Being measured · 0% over 1 checks

Premium agentic endpoint for certora-rule-generator-mcp.

MCP endpoint : https://api.m2mcent.com/certora-rule-generator-mcp/sse · measurements and details
ABNF rule count, body discarded Reliable (measured) · 100% over 7 checks

ABNF rule count, body discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/abnf-ok/mcp · website · measurements and details
CSS rule count, body discarded Not measured yet

CSS rule count, body discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/css-ok/mcp · website · measurements and details

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