"Information about Gmail – Google's email service" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Send a fax in Australia (+61). Pay only if it delivers. Email receipt. No card at send.
Inspect and validate an x402 endpoint before an autonomous agent spends USDC.
Issue and manage Brazilian service invoices (NFS-e) by chatting with your agent, platform-hosted, no
Prepaid email-verify credits for MCP agents via Stripe Link.
Which x402 service actually works: uptime, valid 402, and settlements proven on-chain.
Deterministic Canadian mortgage calculations for qualification, debt service, LTV, and penalties.
Tollbooth Authority — Certified Purchase Order Service for DPYC operators
Roastify Developer API MCP Service — Tollbooth DPYC monetization
Machine-service catalogue, payment hand-off and free market discovery for autonomous AI agents.
AI news, model pricing, service status, and machine-payable premium tools. AFTA-certified.
Bi-temporal memory-as-a-service and paid agent labor. Pay-per-call USDC via x402; signed receipts.
Search travel eSIM plans for 150+ countries and buy via Stripe link; eSIM QR delivered by email.
Bounded data, document, web-quality, and operations services purchased with USDC through x402.
Verify x402 endpoints before payment or publish service profiles for agent discovery.
Scheduling, availability, clients, billing and CRM for appointment-based services.
Trust layer for the x402 economy - check any service before you pay. Scores, discovery, routing.
Time tracking, live project budgets, and billing exports for service firms.
AI service marketplace — agents discover, call, and pay for API services automatically.
Brazil NFS-e service invoices for AI agents via Focus NFe and NFe.io. Stateless, never stores data.
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
