A
licenseA
qualityB
maintenanceMCP server that gates API calls to AI agents using proof-of-work (free) or Lightning payment (3 sats), providing challenge, verify, and status tools for per-call authentication without accounts.
3
64
1
MIT
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"Techniques for Scraping Dynamic Websites with JavaScript and Handling CAPTCHA or Proxy Issues" matching MCP servers:
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- AlicenseAqualityBmaintenanceCredit and payments for AI agent developers — over MCP. No crypto required65324MIT
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- AlicenseAqualityDmaintenanceA paid MCP server that lets AI agents send SMS messages to US phone numbers via x402 micropayments, with automatic compliance and opt-out handling.138MIT
- AlicenseAqualityDmaintenanceEnables 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.2195MIT
- AlicenseAqualityFmaintenanceUniversal 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.416MIT
fiatdock-mcpofficial
AlicenseAqualityBmaintenanceNon-custodial USDC <-> bank for AI agents. Free quotes; $0.05 USDC per session via x402; 1% commission itemised in every quote. Own funds only. PT + EU/EEA (not UK). 18+.41,2041MIT- AlicenseAqualityAmaintenanceA local MCP server that integrates ProofJSON to assess invoices before payment, providing allow/review/block decisions with confidence scores and verification capabilities.3MIT
- AlicenseAqualityCmaintenanceA recoverable Firecrawl MCP server that adds payment lifecycle, idempotency, and automatic refunds/fallbacks to web scraping, enabling reliable paid scraping via natural language.4MIT
- AlicenseAqualityBmaintenanceLets AI agents discover, pay for, and call any HTTP API per request using USDC, with gasless nanopayments and no API keys or accounts needed.5117MIT
- AlicenseAqualityBmaintenancePayment infrastructure MCP server enabling AI agents to make gasless USDC payments on Base and JIT single-use virtual card checkouts, with zero-trust card handling, merchant checkout hints, and signed receipts.134941MIT
- AlicenseAqualityAmaintenanceRead-only MCP server for the Swiss eBill portal, enabling users to list bills and download invoice PDFs via an authenticated browser session. It cannot approve, release, or pay anything.829MIT
- FlicenseAqualityDmaintenanceEnables AI agents to make payments and manage subscriptions by converting USDC stablecoin balances into virtual cards for online checkouts. It provides tools for wallet management, card issuance, and secure transaction handling through the Clawallex payment API.1888
- FlicenseAqualityDmaintenanceSpending limits for AI agents. Create budgets, enforce limits, track spend across x402, cards, MPP, or any payment rail.719
- AlicenseAqualityCmaintenanceA lightweight MCP server that connects to the PayPal REST API, handling token lifecycle automatically and providing read-only tools for transactions, invoices, orders, disputes, and subscriptions by default.1122MIT
- AlicenseAqualityBmaintenanceMCP server that connects AI agents to Codinfy platform APIs for validating licenses, creating checkouts, listing products, tracking analytics, managing OAuth identity, and handling ad placements.17MIT
FlatCash MCP Serverofficial
Alicense-qualityCmaintenanceEnables AI agents to buy, hold, and transfer CPI-pegged FLAT stablecoin without wallets or gas. Provides tools for earning through tasks, trading, and managing balances via MCP.26MIT
@hpp-io/x402-mcp-bridgeofficial
Alicense-qualityBmaintenanceEnables AI agents to autonomously pay for and discover services using HPP USDC.e over the x402 protocol, without API keys or manual signing.167Apache 2.0
