"Ray" matching MCP servers:

Enables AI agents to discover and pay for x402-gated HTTP APIs, handling 402 Payment Required flows with local signing. Supports EVM and Solana with non-custodial wallet management.

Universal CLI and MCP server providing unified payment links, customer prefilling, expiring checkouts, refund management, fee comparison, and HMAC-verified webhook proxying across Stripe, Razorpay, and LemonSqueezy.

Self-custodied Nano wallet + x402 payment client and merchant server for AI agents, enabling micropayments, on-ledger settlement, and paid endpoints.

Enables AI assistants to handle WeChat Pay V3 and Alipay signing, order creation, and callback verification locally without touching funds.

Universal HTTP 402 Micropayment Protocol & Autonomous Economic Settlement Engine for AI Agents on Base L2.

Official MCP server for Safefy, enabling AI agents to manage PIX payments, withdrawals, customers, and transactions via the Safefy payment API.

Lets AI agents search a marketplace of agent services, read seller storefronts, and prepare a checkout link that a human owner approves and pays in their browser. The agent never holds keys or signs.

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

Non-custodial payment engine for AI agents supporting BTC, ETH, USDT, USDC, XRP, XMR, and ZEC. Exposes wallet, invoice, and payment tools over MCP with per-agent spend limits, plus x402 pay-per-call support.

Stop AI agents leaking your card or making hallucinated purchases. No SaaS, No login, Fully local. A runtime security layer that protects AI agents during online purchases. It sits between the agent and payment forms

MCP server with paid_fetch, list_merchants and budget_status tools: AI agents pay x402 APIs in USDC on Base inside an owner-signed, on-chain budget, so a prompt-injected agent can't overspend or pay an attacker.

Project Point One Percent - Agent Pay \[pop-pay] is a payment guardrail and one-time flow protocol specifically designed for Agentic AI (e.g., Claude Code, OpenClaw). It enables agents to handle financial transactions safely without risking unlimited exposure of human-controlled credit cards.

Enables AI agents to discover and pay for MCP tools on a sub-cent, pay-per-call basis using x402 and Algorand USDC settlements.

Enables paid access to 13 Alipay A2M pay-per-use skill endpoints, each call costing 0.05 CNY, with HTTP 402 payment-required handling and Payment-Proof verification for business results.

Enables store owners to reorder from suppliers by voice or chat and settle payments through PayPal, while a deterministic policy engine enforces spending limits, allow-listed suppliers, price-jump and duplicate checks so the LLM can only propose payments, never move money. Funds are authorized rather than charged, then captured only for goods verified on delivery via a 3-way match, with step-up human approval for unusual orders and a full audit ledger of every authorization, capture, void and refund.

Enables an AI agent to settle HTTP 402-gated resources end-to-end: quote conversions, choose from the seller's accepted rails, sign gasless EIP-712 authorizations under enforced per-call and lifetime caps, and verify settlement receipts while tracking wallet balance. Runs self-hosted over stdio or Streamable HTTP, defaulting to testnet with mainnet requiring explicit confirmation.

Enables AI agents to interact with Mural Pay's API using the caller's own key for listing payout source accounts, estimating token-to-fiat payout fees, and searching or retrieving payout requests and account transactions.

Enables Pix payment operations (cash-in/cash-out) and webhook management for Intra Pay via natural language, supporting multi-tenant authentication.

Enables secure, bilingual AI assistants to query and manage payments, orders, refunds, transactions, wallets, fraud risk, and statistics with per-user data isolation enforced on every tool call.