"Techniques for Enhancing Memory and Augmenting Cognitive Thinking" matching MCP servers:

Persistent memory and payment safety for AI agents on Lightning. Enables agents to remember purchases, track vendor reputations, enforce budgets, and share trust signals via Nostr.

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

Pay-per-call USDC payment proxy for AI agents. Issue scoped Pay Tokens with hard spending caps and auto-journal every charge to freee / Money Forward / QuickBooks.

Provides a three-layer payment firewall for AI agents, enabling identity verification, risk screening, and execution authorization with on-chain policy enforcement for secure and auditable transactions.

Free x402 endpoint checker plus paid report and metadata tools. Remote MCP server for agents. Written by AI named Nock, not a human.

Gives your agent a private Kinematic Drive: a deterministic memory engine for sub-millisecond exact recall over code and docs with no hallucination. Also provides self-serve checkout and metered pay-per-call tools for AI agents.

An MCP server that enables AI agents to search, pay for, and call paid APIs using the x402 protocol, with automatic USDC settlement.

MCP server for Korean payment gateways, providing tools to query and cancel payments for PortOne and TossPayments, and verify PortOne webhooks.

MCP Server for agents to onboard, pay, and provision services autonomously with InFlow

An MCP server that exposes tools for Taiwan's ezPay e-invoice lifecycle, enabling AI assistants to issue, void, and query invoices and allowances through the standard MCP protocol.

MCP server for T-Kassa (T-Bank/Tinkoff) payment API. Provides 16 tools for payments, refunds, recurring charges, customer management, saved cards, SBP, receipts, and T-Invest portfolio.

An MCP server for Splitwise that lets you manage expenses, balances, settlements, groups, and comments in natural language from any MCP client.

Enables AI assistants to inspect BLMPay balances, payments, payouts, webhooks, and API capabilities through MCP tools, with write/financial tools disabled by default for security.

Integrates with Conta Simples to manage business banking, credit cards, and team accounts through natural language. Provides tools for viewing statements, managing cards, categories, users, and invites.

Connects Mercado Pago accounts via Open Finance Brasil to AI assistants for read-only queries about balances, statements, credit card bills, and investments.

USDC payments for AI agents on Base. Direct transfers, pre-funded tabs, x402 paywall handling, and service discovery.

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

Read-only MCP server for the Helcim payment API, letting AI agents safely query customers, invoices, card transactions, subscriptions, and more without risking financial mutations.

MCP server for the Stripe API with 10 tools covering payments, customers, invoices, and subscriptions. Generated with MCPForge. Destructive and financial operations require human approval.

MCP server for Mercury Banking API that enables listing accounts and retrieving transactions via natural language.