I Built a Pay-Per-Use MCP Server with 52+ Services Every MCP server I found was either free (good luck scaling), subscription-based (hello, vendor lock-in), or required yet another API key. I wanted something different: a pay-per-use MCP server where you pay exactly what you use — $0.01 to $0.05 per request — via USDC micropayments on the Base blockchain. The Stack The x402 MCP Server wraps 52+ services behind a single HTTP endpoint: AI Services : Web search, code analysis, text generation, translation, sentiment analysis Web Tools : Scraping, RSS, PDF extraction, URL fetching Halal Screening : Crypto Sharia compliance checks Financial Data : OHLCV, crypto prices, gold/silver URL-to-MCP Bridge : Convert any webpage into MCP-compatible tools Marketing as a Service : Full campaign generation Why Micropayments? Subscription models are broken. You pay $20/month and use 2% of the quota. x402 uses the HTTP 402 Payment Required pattern — you pay per call. No commitments, no overages.…