"Examples of complex problem-solving using multiple tools" matching MCP connectors:

530 MCP tools across 561 fintech tools: ChainGraph AP2 decisions, execution_hash. Zero PII.

Ready for a new way to bill pay? Pay any US bill in a snap, right from your AI assistant. Describe or snap a photo of your bill (electric, water, gas, internet, phone, medical, credit card, rent, parking tickets, traffic violations and more) and Papaya reads it, then hands you a secure link to pay by card. Fast, secure, and no juggling twelve logins, with full or partial payments and status updates. Available in the US only. Powered by Papaya (papayapay.com).

ManaBuy MCP Server is a stdio-based Model Context Protocol server for integrating ManaBuy product and order APIs with MCP clients. It exposes tools for product search, product detail retrieval, SKU and order-field inspection, order quotation, authenticated order creation, order status lookup, and order detail retrieval, with explicit confirmation required before any order-creation workflow.

x402 provider rankings + Ed25519-signed payment receipts + signature verification (3 tools).

Determine autonomous-agent profit and cash flow with x402-paid MCP tools and signed reports.

8 pay-per-call web intel tools over MCP. Free discovery, calls settle in USDC on Base (x402).

Solana-native MCP gateway for SAP, DeFi tools, SNS identity, and x402 payments.

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

AgisHub — pay-per-call tools for AI agents over x402 (USDC on Base). No API key.

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

Keyless x402 crypto intel + pre-trade safety: signed SAFE/CAUTION/BLOCK, $0.02. 222 tools, Base

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

Pay-per-call agent infrastructure: file storage & handoff, compute tools, messaging, e-sign, KYC.

Buy any of 24,000+ live x402 services with USDC on Base — the open marketplace for the agent economy.

Discover Algerian COD stores on Mystoq, or manage your own: products, prices, shipping/fraud tools.

EUR settlement + trust for AI agent commerce: budgets, KYA, merchant discovery. 22 tools.

Agent-native helpdesk. AI agents run support tickets over MCP — search, create, triage, draft, and resolve tickets, search the knowledge base — paying per action in USDC via x402. Read tools are free; priced tools return HTTP 402 with payment terms.

Unified AI API marketplace - LLMs, image, video, audio, MCP tools with x402 payments.

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

Print & mail PDF/HTML/Markdown/text/DOCX/images to US addresses; pay per call in x402 USDC on Base.