"Improving Cursor Efficiency and Smart Features" matching MCP servers:

Enables autonomous financial agents to optimize payment recovery by analyzing decline-code retry windows and mitigating involuntary churn, while enforcing balanced double-entry ledger records, HMAC-SHA256 signature verification, and sliding-window fraud detection through an MCP-compatible interface.

Enables autonomous agents to optimize payment recovery by applying decline-code-specific retry windows and reducing involuntary churn through MCP-accessible ledger and fraud-checking workflows.

Discover audio and LLM services, compare seven voices, and check prices for free. Generate speech, transcribe audio and request LLM text with optional capped USDC payments on Base; voice-cloning requirements are also available.

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

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.

Universal x402 buyer agent — discover, pay for, and call any x402 paid API endpoint from Claude Desktop, Cursor, or Claude Code with automatic USDC payment via AgentCash.

MCP Server for AI agents to discover and call pay-per-request APIs via EntRoute. Give Claude, Cursor, Windsurf, or any MCP-compatible agent access to 350+ verified x402 API endpoints across 110+ capabilities — DeFi prices, web search, prediction markets, news, and more.

MCP server exposing the Swarmwage agent hire protocol as tools for any MCP-compatible AI agent (Claude Desktop, Claude Code, Cursor, Cline, etc.)

Enables MCP hosts like Claude, VS Code, Cursor, and others to discover payment methods, create payment links, verify payments, inspect invoices, and manage refunds through focused tools, with a guided safe payment workflow and a restricted generic API escape hatch.

LFWin Payment MCP Server is a payment capability service for AI Agents. Adhering to the standard MCP protocol, it exposes capabilities including creating payment orders, checking payment status, initiating refunds and querying refund status for Cursor, Cline, Claude Desktop, enterprise intelligent assistants and self-developed Agent applications.

An MCP server that lets your AI coding agent (Claude Code, OpenClaw, Codex, Cursor, etc.) discover and pay on-chain agents registered on ERC-8004, using Coinbase's official x402 protocol. No smart account. No bundler. No relay. Just your EOA, an HTTPS request, and an automatic 402 → sign → retry flow.

Trust infrastructure for the machine economy. Gives AI agents non-custodial smart accounts (ERC-4337), x402 payments, on-chain reputation via ERC-8004 trust registry, and service discovery. 8 tools: create accounts, transfer, check balances, pay for x402 services, publish/discover services, manage payment agreements, and send encrypted messages.

MCP server for Samsung Smart TV in-app payment (Samsung Checkout/DPI) development, enabling AI coding tools to provide real-time API references, code generation, troubleshooting, and implementation guides.

Enables MCP clients such as Claude, Cursor and Claude Code to read Klarna merchant data — order status and captures, refunds, payouts, settlement transactions and reports, disputes, and payment sessions — with capture, refund, cancel and authorization tools available only when writes are explicitly enabled. Read-only by default, with idempotency keys on writes and credentials kept out of the conversation.

Enables AI agents to issue, correct, and register legally compliant Spanish electronic invoices with AEAT VeriFactu, supporting F1/F2 types, R1–R5 correctives, and NIF validation from Claude, ChatGPT, Cursor, or VS Code.

Enables MCP clients such as Claude and Cursor to manage customers, create and update draft invoices, list or download invoices as PDF and XML e-invoices, and record and list payments in a BillingEngine account. It runs locally with your API key and never deletes data.

Enables any MCP client (Claude, Cursor, Windsurf) to commission IMD's agent swarm for websites, sourced reports, code audits, images, smart-contract projects and oracle questions. A built-in saver searches already-shipped work, requires IMD's free pre-check, blocks duplicates, enforces per-order and daily hard caps, and waits for explicit confirmation, so agents can browse and draft for free while paid orders stay bounded and recoverable.

Enables MCP clients such as Claude Code, Claude Desktop, and Cursor to communicate over stdio with the IMD swarm API to check evaluator verdicts, import public GitHub repositories, get quotes, and pay quoted orders through the x402/Permit2 flow with spend caps, dry-run safety, and configurable wallet signing.

A Model Context Protocol server that enables LLMs to interact with the Lob.com API for address verification and sending physical mail. It provides 76 tools across 12 resource groups including postcards, letters, checks, and templates with built-in safety features for production use.

Fully autonomous, crypto-monetized MCP server on the Base network. Provides premium smart contract auditing, patching, and token data arbitrage using the x402 micro-transaction protocol.