Best Payments AI Skills & MCP Servers

MCP server for Tebra/Kareo practice management — 45 tools covering patients, appointments, encounters, billing, payments, documents, providers, and FHIR clinical data for AI agents via the Model Context Protocol

MCP server for ArisPay-delegated x402 USDC payments. Use with Claude Desktop, Cursor, or any MCP client — no private keys in your process.

Replace MCP 429 errors with PoW challenges or Lightning micropayments. Drop-in rate control for MCP servers — no accounts, free fallback, self-hosted. Three tools: challenge, verify, status. Stdio + HTTP transports, stdlib only.

MCP server for agent payments ecosystem intelligence. Pay per query via x402.

MCP server for GoldBean - 10 core paid APIs for AI Agents via x402 micropayments. Crypto price, weather, search, image-gen, code, AI chat and more. Pay-per-call with USDC on Base.

ASG Agent Pay — the banking layer for autonomous AI agents. Multi-chain payments (x402 + MPP), virtual cards, policy engine, and wallet abstraction across 17 networks. The only SDK unifying Coinbase x402 and Stripe MPP protocols.

CLI for Xenarch — non-custodial x402 MCP server for AI agents. Claude, Cursor, LangChain and CrewAI pay HTTP 402–gated APIs with USDC on Base L2.

MCP server for APIMesh — 76 x402-payable tools for AI agents (74 APIs + wallet usage + spend caps). Covers web vitals, security headers, SEO audits, email security and verification, tech-stack detection, brand assets, redirect chains, indexability, brand

22 x402 pay-per-call utility tools for AI agents — scrape, validate, embed, store, moderate, notify, convert, prevent loops. No accounts, no API keys. USDC on Base via the x402 protocol.

Non-custodial x402 MCP server for AI agents. Lets Claude, Cursor, LangChain and CrewAI pay for HTTP 402–gated APIs with USDC micropayments on Base L2. Unlike Cloudflare Pay-Per-Crawl, works on any host and settles agent-to-publisher direct.

AI-powered local-first commerce engine — orders, inventory, payments, policies, and integrations

MCP server for ListBee — commerce API for AI agents

Cinderwright Discovery Hub MCP Server - cross-protocol agent payments search engine. 1,551 services across x402, MPP, and Lightning.

MCP server for UtilsForAgents with eight paid x402 utility tools plus one free feedback tool, with Base or Solana payer support.

Wise (TransferWise) Personal API MCP server — read-only: profiles, balances, rates, transfers, recipients

MCP server for CloudPayments API — charge, auth, confirm, void, refund, find transaction. 6 tools. Basic auth.

Pay-per-fetch MCP server. Agent wallet pays $0.005 USDC on Base (or XRP on XRPL Mainnet) per call via the x402 protocol. Returns clean markdown. No accounts, no API keys, no humans in the loop.

Generic MCP server for calling x402-protected APIs with automatic payment handling

MCP server for Q402 — gasless USDC, USDT, and RLUSD payments across 9 EVM chains, callable from Claude (Desktop / Code), OpenAI Codex CLI, and any other Model Context Protocol client.

MCP server for Run402 — AI-native Postgres databases with REST API, auth, storage, and row-level security. Pay with x402 USDC micropayments.

MCP server for Curless agent commerce — let your local AI agent order coffee, book hotels, book flights, buy luggage, and buy office supplies through a Curless virtual card and wallet.

Bitcoin-native MCP server for AI agents: BTC/STX wallets, DeFi yield, sBTC peg, NFTs, and x402 payments.

Payment layer for AI agents. One MCP, five protocols, thousands of paid APIs your agent can call.

Voidly Pay SDK — agent-to-agent payments for AI agents. Sign envelopes, settle transfers, run x402 paywalls, verify webhooks.