"News feed from important academic and scientific journals" matching MCP servers:

Credit and payments for AI agent developers — over MCP. No crypto required

Create free, no-signup invoices from your AI assistant — the create_invoice tool returns a link that opens blankinvoicemaker.com pre-filled, ready to download as a watermark-free PDF.

This is an MCP server for the BillingServ API. Once it's set up, your AI assistant can look up customers, invoices, orders, packages, and reports straight from your BillingServ installation

MCP Server for AI agents to discover and call pay-per-request APIs via EntRoute. Give Claude, Cursor, Windsurf, or any MCP-compatible agent access to 350+ verified x402 API endpoints across 110+ capabilities — DeFi prices, web search, prediction markets, news, and more.

Talk to your DeonPay merchant account from any MCP-compatible AI host. Enables reading transactions, creating payment links, inspecting subscriptions, and more.

Generate crypto QR codes (BTC, ETH, SOL, USDC, USDT, EURC) and manage payment sessions from Claude Desktop or any MCP client. Non-custodial, free.

Create invoices from any MCP client via the Invovate API — compute totals and generate PDF, JSON, or UBL invoices in 11 languages. Exposes four tools: calculate_invoice_totals (no API key needed), generate_invoice_pdf, generate_invoice_ubl, and get_invoice_capabilities.

Enables building client statements of account from existing invoices, credit notes, and deposits, with aged outstanding balances, PDF/plain-text output, and drafted payment chasers at friendly, firm, or final levels.

Enables querying MRR, churn, and revenue from Stripe, Gumroad, and Lemon Squeezy directly inside Claude, allowing natural language questions about business metrics.

Enables AI agents to discover, evaluate, and purchase live data from the Macaroon Network marketplace using semantic search, metadata checks, and Bitcoin Lightning payments.

Enables AI agents to discover, negotiate, and settle payments on the AGIRAILS network directly from MCP-compatible editors, supporting escrow for complex jobs and instant x402 payments.

MCP server for POP — enabling LLMs to generate, submit, and manage Italian e-invoices (FatturaPA/SdI), Peppol invoices, and PDF invoices directly from AI assistants.

Official MCP server for ZuckPay – create PIX, SPEI, and PayPal charges, and query transactions from your AI assistant.

Connect Peil to Claude (or any MCP client): log hours, draft invoices from unbilled hours, and check where you stand — from a prompt.

Lovie Company Formation MCP is for AI coding tools. Form companies, manage bank accounts, cards, invoices, and more — directly from your terminal.

Enables sending letters and MICR-encoded checks, managing contacts and templates, and verifying US/Canadian addresses via the PostGrid Print & Mail and Address Verification APIs from Claude.

Enables Wave invoicing operations including listing invoices, retrieving details, and generating branded PDFs directly from AI assistants.

Enables AI assistants to query orders, transaction details, warnings/anomalies, and payment methods from your Nexi XPay merchant account.

Discover, pay for, execute, and publish monetized APIs directly from your agent, settled per call in USDC over x402, through the Model Context Protocol.

Track, analyze, and act on your streaming & SaaS subscriptions from any AI agent.