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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
x402 Format Checker Reliable (measured) · 100% over 28 checks Does the job (tested) · 28/28

IBAN, EU VAT, NIP, REGON, PESEL, email checks. Only $0.001 (0.1 cent) per check via x402 on Base

MCP endpoint : https://validate.crewofthecaptain.com/mcp · website · measurements and details
Fact Checker API Being measured · 0% over 1 checks

Verify claims with web evidence. Returns sources and verdict. x402 micropayment.

MCP endpoint : https://fact-checker.api.klymax402.com/mcp · website · measurements and details
x402 DNS Email Auth Checker Reliable (measured) · 100% over 7 checks

Audit SPF, DKIM, DMARC, MX, BIMI, MTA-STS for a domain; score + grade. $0.003 USDC/call via x402.

MCP endpoint : https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp · website · measurements and details
email-validator-mcp Not measured yet

Validate email addresses by format, MX record, and disposable domain. No key required.

Package npm : email-validator-mcp · website · measurements and details
Diff Checker API Being measured · 0% over 1 checks

Compare two texts line-by-line — additions, deletions, unchanged. x402 micropayment.

MCP endpoint : https://diff-checker.api.klymax402.com/mcp · website · measurements and details
SSL Checker API Being measured · 0% over 1 checks

SSL certificate check — validity, expiry, issuer, chain, grade. x402 micropayment.

MCP endpoint : https://ssl-checker.api.klymax402.com/mcp · website · measurements and details
json-tools-mcp Not measured yet

Validate, format, and inspect JSON locally. No network and no key.

Package npm : json-tools-mcp · website · measurements and details
x402 endpoint checker Reliable (measured) · 100% over 38 checks Does the job (tested) · 38/38

Test any x402 paid URL without paying: 402, PAYMENT-REQUIRED, USDC, amounts, payTo, EIP-712, CORS.

MCP endpoint : https://x402-seller-kit.soloearn.workers.dev/mcp · website · measurements and details
phone-validator-mcp Not measured yet

Validate and format international phone numbers locally. No network and no key.

Package npm : phone-validator-mcp · website · measurements and details
json Not measured yet

MCP server for JSON processing — format, validate, diff, convert, minify, query, analyze

Package npm : json-forge-mcp · website · measurements and details
x402 Checker (AI Nock) Reliable (measured) · 100% over 17 checks Fails real tasks · 0/17

Free check/board/name; paid bid/report 0.05, 1c fx/wx/lookups, news 0.001.

MCP endpoint : https://x402-checker.nock-for-mak.workers.dev/mcp · website · measurements and details
PhoneKit Private (key required)

Phone number validation, formatting, carrier, line type and timezone

MCP endpoint : https://phonekit-phone-number-validation-carrier-line-type.p.rapidapi.com/mcp · website · measurements and details
ibanchecker-mcp Flaky · 86% over 7 checks Fails real tasks · 0/6

IBAN validation, extraction, format specs and BIC/SWIFT lookup tools for AI assistants.

MCP endpoint : https://mcp.ibanchecker.cash/mcp · website · measurements and details
Address Validator API Being measured · 0% over 1 checks

Parse, validate and normalize postal addresses. Detect country, verify format. x402.

MCP endpoint : https://address-validator.api.klymax402.com/mcp · website · measurements and details
json-forge-mcp Not measured yet

JSON processing — format, validate, diff, convert, minify, query, analyze

Package npm : json-forge-mcp · website · measurements and details
okf-mcp Not measured yet

Validate, search, graph, and safely author local Open Knowledge Format bundles.

Package npm : @mfdaves/okf-mcp · website · measurements and details
Phone Format Check Reliable (measured) · 100% over 42 checks

Offline phone number validation and formatting at the edge: E.164/national/international formats,...

MCP endpoint : https://phone-format-check.david-cyr.workers.dev/mcp · measurements and details
license-checker Not measured yet

OSS license metadata + compatibility checker MCP server.

Package npm : @weiseer/license-checker-mcp · website · measurements and details
robots-txt-checker Reliable (measured) · 100% over 7 checks

Checks if a URL path is allowed by robots.txt. x402 payment required (testnet USDC).

MCP endpoint : https://faceted-napped-debtless.ngrok-free.dev/robots-txt-checker/mcp · measurements and details
mif-tools Not measured yet

Convert, validate, and inspect AI agent memories across formats

Package pypi : mif-tools · 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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