"Gmail - Google's Email Service" matching MCP connectors:
Matching Connector Tools:
Tollbooth Authority — Certified Purchase Order Service for DPYC operators
77 pay-per-call x402 tools for AI trading & on-chain agents: prices, sniping, perps, RH Chain, MEV
Try 26 utility REST APIs keylessly: NAICS classification, IP geo, email validation, currency.
CardGuard is a high-performance MCP-compliant service designed for real-time transaction fraud detection and IP threat intelligence. It provides microsecond-level scoring and multi-dimensional analysis (IP geolocation, BIN validation, and risk pattern recognition) for autonomous AI agents
Live vehicle warranty (service contract) quotes by VIN, plate, or make/model/year.
Deterministic finance & quant tools AI agents call and pay for per request over x402 (USDC on Base) — DCF/IRR/XIRR/NPV, LP/GP distribution waterfalls, Black-Scholes pricing & Greeks, bond yield/duration/amortization, portfolio risk, wallet AML screening, and email validation. No API key, no data feed; deterministic, evidence-backed; $0.02–$2.00 USDC per call.
Issue and manage Brazilian service invoices (NFS-e) by chatting with your agent, platform-hosted, no
Commerce validators: live EU VAT (VIES), EORI, email/MX lookups; IBAN/ABA/GTIN checksums; VAT rates.
Brazil NFS-e service invoices for AI agents via Focus NFe and NFe.io. Stateless, never stores data.
Bulk-validate EU VAT numbers against the European Commission's official VIES service, with the official consultation number as audit evidence on every check. Pay-per-use ($5 per 1,000 validations), billed through your Apify account.
Bulk-validates EU VAT numbers against the European Commission's official VIES service.
Find local service providers — plumbers, tutors, translators — and estimate provider earnings.
AI-to-AI petrol station. 56 pay-per-call endpoints covering market signals, crypto/DeFi, geopolitics, earnings, insider trades, SEC filings, sanctions screening, ArXiv research, whale tracking, and more. Micropayments in USDC on Base Mainnet via x402 protocol.
135 MCP tools: geo, email, phone, company, DNS, FX, equities, weather, tax, econ, intel — one key.