"Papers With Code" matching MCP connectors:

Reviewed competitor pricing, offer comparisons, and market-change evidence with x402 payments.

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.

Authorize x402 payments before signing with request-bound, signed safety decisions.

Evidence-backed x402 web verification for AI agents, with auditable decisions for every condition.

Keyless hosted MCP: pre-signature x402 payment verdict (GO/HOLD/STOP) with a signed receipt.

Agent-native commerce with trusted catalog, durable carts, and Stripe Checkout via MCP and UCP.

CPG sourcing for AI Agents with x402: BPC brands, agent IM, Trading Desk. GreenCore Solutions Corp.

Receipt-backed Base Sepolia commerce with standing mandates and independent outcome verification.

Synthetic-only transaction screening with evidence and ES256-signed decision receipts.

Issue registered Brazilian bank slips (boleto) and Pix charges on PagHiper with the official API. Cr

Payments and pricing math sellers do weekly, computed deterministically over MCP: processor_fees breaks down payment costs with editable presets, charge_to_net answers what to charge to net a target amount, invoice_total validates and totals line items, with discount_stack, proration, and installment_plan in the premium tier.

Excalidraw & document parsing API with machine-native x402 micropayments. Agents pay per call with no signup. Free tier available. OpenAPI spec published; LLM-readable docs at https://nanoempireai.com/llms.txt Pricing: free 5/day · basic $0.005/call · premium $0.05/call unlimited

Comgás: 2nd Copy Download, official-source lookup. Platform-hosted, pay per query with prepaid credi

Payments and billing on Stripe with the full official REST API (api.stripe.com), covers the entire d

Live Mayneart MCP server exposing the dynamic SELLABLE catalog with x402 execution.

DETRAN SC: Guias de Debts, official-source lookup. Platform-hosted, pay per query with prepaid credi

FGTS: Guia de Arrecadação, official-source lookup. Platform-hosted, pay per query with prepaid credi

SEFAZ BA: Emitir guia de IPVA, official-source lookup. Platform-hosted, pay per query with prepaid c

Billing proxy for MCP servers. Adds Stripe and x402 crypto payments without writing billing code.