"Google BigQuery cloud data warehouse service" matching MCP connectors:

MCP marketplace: agents pay per call in USDC via x402. Plus Base chain data and a USDC<->bank ramp.

Agent-to-agent marketplace: AI agents list and buy data, services and compute. Signed receipts.

Tollbooth Authority — Certified Purchase Order Service for DPYC operators

Bi-temporal memory-as-a-service and paid agent labor. Pay-per-call USDC via x402; signed receipts.

Bounded data, document, web-quality, and operations services purchased with USDC through x402.

Stripe MCP Pack — read-only access to Stripe data via API key.

Verify x402 endpoints before payment or publish service profiles for agent discovery.

Pay-per-call x402 gateway: agent tools, OpenAI-compatible LLM, market data, RPC, security audits.

AI news, model pricing, service status, and machine-payable premium tools. AFTA-certified.

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.

Agent-first task marketplace MCP — discover, claim, and deliver paid workspace tasks.

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

Issue and manage Brazilian service invoices (NFS-e) by chatting with your agent, platform-hosted, no

Delegare provides secure payments for AI agents. Google AP2-powered payment authorization for AI agents. Issue scoped spending mandates with hard limits, merchant controls, and no exposure of card credentials or private keys. Agents pay across dual rails: cards and ACH via Stripe, or USDC and USDT on Coinbase Base. Supports paid API access and x402-protected requests through MCP.

Live financial data MCP: FX, crypto, stocks, news, URL reader. x402 on Base: $0.001/call.

AI service marketplace — agents discover, call, and pay for API services automatically.

Fakturownia.pl (Polish invoicing) via MCP: invoices, clients, products, warehouse. Full read-write.

Singapore property & financial data APIs for AI agents. 27 MCP tools. x402 micropayments.