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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
19,874measured
6,054proven reliable
Invoice & Payment ID Validator Reliable (measured) · 100% over 3 checks Does the job (tested) · 3/3

Pay/review/hold verdict for invoice payees: cross-checks IBAN, BIC, VAT, EIN. Paid: RapidAPI

MCP endpoint : https://invoice-validator.mohamed-bahaa53000.workers.dev/demo/mcp · website · measurements and details
Invoice Preflight Reliable (measured) · 100% over 42 checks

Evidence-backed UBL, PDF, and image invoice checks before approval or payment.

MCP endpoint : https://mcp.dropenginehq.com/api/invoice-mcp · website · measurements and details
Eleata e-Invoice Validator Not measured yet

Validate EU e-invoices (Peppol, XRechnung, Factur-X, UBL, CII) and explain error codes.

Package npm : eleata-einvoice-mcp · website · measurements and details
Billify payments Reliable (measured) · 100% over 3 checks

Let agents verify the seller and pay Billify invoices with x402 (USDC on Base).

MCP endpoint : https://billify.org/mcp/pay · website · measurements and details
E-Invoice Checker Reliable (measured) · 100% over 17 checks

Validate, parse and render EU e-invoices: XRechnung, ZUGFeRD, Factur-X, Peppol BIS 3.0, KSeF.

MCP endpoint : https://einvoicechecker.com/v1/mcp · website · measurements and details
VAT Validator MCP Reliable (measured) · 100% over 41 checks

Validate EU, UK, AU VAT numbers for AI agents. EU ViDA e-invoicing compliance.

MCP endpoint : https://vat-validator-mcp-production.up.railway.app · website · measurements and details
InkVoice — XRechnung & E-Invoicing Reliable (measured) · 100% over 3 checks Does the job (tested) · 3/3

XRechnung and ZUGFeRD e-invoicing (EN 16931): create, validate, check Leitweg-IDs, German VAT.

MCP endpoint : https://api.inkvoice.net/mcp · website · measurements and details
Invoice Table Flaky · 92% over 12 checks

Review invoice records, flag duplicates, validate totals, and prepare spreadsheet-safe CSV.

MCP endpoint : https://invoicetable.app/api/mcp · website · measurements and details
Billify Private (key required)

Invoicing for businesses and AI agents: invoices, crypto payments, compliance, Invoice Passports.

MCP endpoint : https://billify.org/mcp · website · measurements and details
agent-teller Being measured · 0% over 1 checks

Verify AI agent payments and detect fraud. Input: agent_id, amount, service_id.

MCP endpoint : https://agent-teller-production.up.railway.app/mcp · website · measurements and details
invoice-pilot Being measured · 0% over 1 checks

PDF invoicing with auto-chase reminders, email delivery, and payment tracking.

MCP endpoint : https://invoice.rjctdlabs.xyz/sse · measurements and details
invowerk Flaky · 67% over 3 checks Real task being tested · 0/2

E-invoice checker for ZUGFeRD, Factur-X, XRechnung and Peppol BIS. Free web tool, API and MCP.

MCP endpoint : https://api.invowerk.dev/mcp/ · website · measurements and details
Invoice Duplicate Recovery Reliable (measured) · 100% over 43 checks

Computes exact overpayments across caller-supplied approved invoices, payments, and recorded cred...

MCP endpoint : https://mcp-factory.bowling-anthony.workers.dev/invoice-duplicate-recovery/mcp · website · measurements and details
Finance Validators Being measured · 0% over 1 checks

Validate IBAN, VAT, SWIFT, LEI, and credit card numbers

MCP endpoint : https://finance-validators-mcp.mcpize.run/mcp · website · measurements and details
getpeppr Being measured · 100% over 1 checks Real task being tested · 1/1

Peppol e-invoicing: look up participants, validate invoices, and send sandbox test invoices.

MCP endpoint : https://api.getpeppr.dev/mcp · website · measurements and details
dropcoin-validation Flaky · 80% over 5 checks

EU compliance checks for AI agents: sanctions, company, VAT ID, IBAN, email. Pay per call.

MCP endpoint : https://validation-api.dropcoin.workers.dev/mcp · measurements and details
Invoiced MCP by usefulapi Reliable (measured) · 100% over 26 checks

Read Invoiced customers, invoices, payments, subscriptions; create customers, draft invoices, notes.

MCP endpoint : https://invoiced.usefulapi.io/mcp · website · measurements and details
Nigeria Invoices (FIRS / NRS MBS e-invoicing IRN) Being measured · 0% over 2 checks

Nigeria FIRS/NRS MBS e-invoicing for AI agents - validate, sign, confirm invoices (IRN + QR).

MCP endpoint : https://inv-ng.wishpool.app/mcp · website · measurements and details
email-validator Reliable (measured) · 100% over 7 checks

Validates email syntax and MX records. x402 payment required (testnet USDC).

MCP endpoint : https://faceted-napped-debtless.ngrok-free.dev/email-validator/mcp · measurements and details
invoicehub Flaky · 67% over 3 checks Real task being tested · 2/2

Validate, generate & convert EU e-invoices (UBL, CII, XRechnung, Factur-X) — EN 16931 pre-validated.

MCP endpoint : https://api.invoicehub.dev/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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