"An overview of knowledge graphs" matching MCP connectors:
Matching Connector Tools:
The agentic layer of letters. Agents send real printed mail worldwide, German compliance built in.
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.
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.
Agent-to-business commerce sandbox: intents, offers, bookings. Demo data, ed25519-signed calls.
Monetization gateway for MCP servers. Agents call a tool, receive an x402 v2 payment challenge, sign a USDC transfer on Base, and get the result. Payment is verified before the tool runs and settled only after it returns, so failed calls are never charged. Discovery and tool listing are free.
Monetize any MCP server: x402 paywall, pay-per-call billing in USDC on Base, agent marketplace.
Verify x402 payment endpoints before an AI agent pays: scam scan, on-chain checks, trust scores.
Looks up the full data of an electronic invoice (NFe) from the access key. Platform-hosted, no crede
The trust layer of the x402 economy: free conformance checks, attestation, corpus, agent store.
AI/LLM agent output audit MCP: policy eval, tamper-evident chain, AI safety, x402 USDC on Base.
Verified merchants accepting agentic payments on Lightning/L402/BOLT12/USDT — search, verify, pay.
Bi-temporal memory-as-a-service and paid agent labor. Pay-per-call USDC via x402; signed receipts.
ifsc-in MCP — Indian bank branch IFSC code lookup via Razorpay's open
OpenIBAN MCP — validate an IBAN's checksum + bank code and resolve the
Analyzes delegated AI payment authority and exposes supported Stripe/x402 evidence contracts.
Workflow diagnostics, capability routing, and x402 settlement for MCP-compatible agents.
Book Wanaka Haus, an Architectural Passive home in Wānaka NZ. Availability, quotes, Stripe checkout.
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.
Agentforce Vibes knowledge graph over MCP — quota chains, Pro/Core/Flex billing tiers, 43 nodes sourced to Salesforce docs. Works in claude.ai in 30 seconds.