A
licenseA
qualityC
maintenancePay-per-use semantic web search for AI agents. Powered by SearxNG, agents pay in sats via Lightning Network micropayments — no API keys
required.
5
1
Apache 2.0
77,023 servers. Updated
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"A tool to evaluate the suitability of semantic search queries" matching MCP servers:
- AlicenseAqualityBmaintenanceMCP server for Sean-Claude Van Damme's General Store, enabling AI agents to browse and purchase digital goods and services using USDC payments over the x402 protocol.93MIT
- AlicenseAqualityAmaintenanceOfficial 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.2596MIT
- AlicenseAqualityAmaintenancex402-trust gives AI agents a "check before you pay" layer for the x402 ecosystem.13418MIT
- AlicenseAqualityBmaintenanceCreate free, no-signup invoices from your AI assistant — the create_invoice tool returns a link that opens blankinvoicemaker.com pre-filled, ready to download as a watermark-free PDF.2611MIT
- FlicenseAqualityCmaintenanceEnables MCP-capable agents to search the curated gold-402 directory of x402 services, probe any endpoint for valid 402 payment terms, and optionally purchase a human editorial verdict for a resource.5
- AlicenseAqualityBmaintenanceEnables MCP clients to access all endpoints of an x402 gateway by paying real-time microtransactions (USDC on Base) per API call, with automatic tool discovery and spend guardrails.2389MIT
- AlicenseAqualityCmaintenanceMCP server for eBay buyer-side workflows enabling search, watch, bid, buy, and management of MyeBay via a hybrid REST and Trading API stack.151Apache 2.0
- AlicenseAqualityAmaintenanceRead-only MCP server for Easy Pay Direct / NMI payment gateway, enabling natural language queries of transactions, subscriptions, and customer vault records.737MIT
- AlicenseAqualityBmaintenanceMCP server that gives AI assistants real-time access to Stripe business metrics like MRR, churn, and revenue forecasts via natural language queries.7MIT
- AlicenseAqualityAmaintenanceEnables agents to search a verified directory of machine-payable services, inspect service and wallet reputation, and get pre-payment checks before spending.44MIT
- AlicenseAqualityAmaintenanceEnables AI assistants to search real products, purchase with user approval, track deliveries, and run a seller business end to end via the Firestarter commerce platform.86215MIT
crowns-mcpofficial
FlicenseAqualityCmaintenanceEnables interaction with the Crowns game API as MCP tool calls, including x402-based payments.76- AlicenseBqualityAmaintenanceagenticpay lets MCP server developers monetize tools via per-call USDC micropayments on Solana, using the x402 protocol. Each tool declares a price; agents pay via signed Solana transactions; settlement happens on-chain in ~1.5–2 seconds.13MIT
- AlicenseBqualityBmaintenanceGeneric Lightning-paywall sidecar that wraps any stdio MCP server and requires a paid Lightning invoice (via NWC) before forwarding priced tool calls. Per-tool prices are set via env; includes payment verification, replay protection, and an audit log — the upstream server stays untouched.1339MIT
AdvinPay MCPofficial
AlicenseNot gradedqualityCmaintenanceMCP server to connect AI assistants to the AdvinPay payment API, enabling PIX charges, transaction queries, and documentation search.MIT
opendexterofficial
AlicenseNot gradedqualityCmaintenanceAn MCP server that enables AI agents to search, pay for, and call paid APIs using the x402 protocol, with automatic USDC settlement.2MIT- AlicenseNot gradedqualityAmaintenanceConnects to the Lexware Office API to provide read and write access to accounting data such as invoices, contacts, vouchers, and articles. Enables natural language queries and management operations through an MCP client.MIT
AgentTax MCP Serverofficial
AlicenseNot gradedqualityDmaintenanceEnables MCP tool developers and AI agents to track payments, calculate sales tax liability, and ensure tax compliance across US jurisdictions.MIT- AlicenseNot gradedqualityBmaintenanceEnables research queries and billing management through the Limex hosted API.MIT
