"Understanding Integrated Knowledge Graphs" matching MCP servers:

A read-only MCP server for the open-banking.io PSD2 API that lets AI agents query personal bank balances and transactions via natural language, with zero-knowledge encryption ensuring all sensitive data is decrypted in-process and never exposed to third parties.

Official Dodo Payments MCP servers - dodopayments-api for live payments, subscriptions, customers, products, refunds, license keys, and usage-based billing (browser OAuth, no API key needed) and dodo-knowledge for semantic search over Dodo Payments documentation.

MCP server for AWS Payment Cryptography that gives AI coding assistants direct access to the APC control plane and data plane, with embedded knowledge of payment standards, HSM vendor command sets, and PCI PIN v3.1 compliance requirements.

Enables MCP-compatible AI clients to work with the NodeLoc community through natural language, including browsing and posting topics, private messages, likes/bookmarks/polls, nodes, chat, daily check-in, red envelopes, energy rewards, payments, knowledge-base lookup, and miniprogram CLI operations.

Enables AI agents to search, verify, purchase, and teach knowledge through a decentralized knowledge marketplace, with strict spending limits and secret management.

Enables searching the Bazaar resource catalog and making spend-capped paid calls to x402 endpoints, integrated with Rail402's Stellar payment facilitator.

Enables AI agents to search a proprietary knowledge base for free and buy access to documents or passages on demand, with automatic payment, licensing, and citation.

Provides AI models with authoritative knowledge and code generation for Kapital Bank's payment gateway, including endpoint specifications, payment flows, code samples in multiple languages, error code lookup, and sandbox test credentials. It enables integration without requiring merchant credentials or live bank execution.

MCP server for Minisend payment APIs, enabling stablecoin-to-local-currency payouts and on-ramps across Kenya, Nigeria, Ghana, and Uganda. Exposes tools for off-ramp, on-ramp, checkout, wallets, and API knowledge, with permissions-based tool visibility.