"A quantitative trading system" matching MCP connectors:

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).

Pay any US bill in a snap, right from your chat — utilities, medical, rent, parking tickets & more.

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.

The Apiosk MCP lets AI agents discover, pay for, execute, and publish APIs through the Apiosk gateway. It is a machine endpoint, not a website, so connect it from an MCP client (Claude, Cursor, ChatGPT, and others) rather than browsing it here.

Catch a mistyped barcode, ISBN, VIN, NPI or LEI before a bad identifier corrupts a record.

AI/LLM agent output audit MCP: policy eval, tamper-evident chain, AI safety, x402 USDC on Base.

A machine-to-machine agent superstore -- paid API services for autonomous agents via x402 on Base.

Split shared expenses in a group — no account needed. See who owes whom and settle up.

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

Verified merchants accepting agentic payments on Lightning/L402/BOLT12/USDT — search, verify, pay.

First-party DePIN supply telemetry, 171 networks. Every value carries a verify-yourself URL.

Incorporate a German GmbH or UG in chat, then finish and pay on a secure link.

Verify a Brazilian PIX payment settled — no API key. Crypto↔PIX with Central Bank receipts.

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

Workflow diagnostics, capability routing, and x402 settlement for MCP-compatible agents.

Analyzes delegated AI payment authority and exposes supported Stripe/x402 evidence contracts.

Kiwify digital-products platform, sales (list, detail), subscriptions (list, cancel), products and a

Pre-signature x402 payment-risk oracle. AI agents call forecast_payment before paying a counterparty and get a GO / HOLD / STOP verdict from settlement reputation, price-anomaly (quoted vs the payee's own median), and OFAC sanctions screening — plus a third-party-verifiable Ed25519 signed receipt. Verdict only; never takes custody. Free under $10 at risk; returns an x402 payment challenge over that.

Pre-signature x402 payment verdict (GO/HOLD/STOP) for AI agents, with a verifiable signed receipt.

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