My MCP Server Got Rate-Limited After Auth. Here's the 5-Line Fix.

<h1> I Built a Pay-Per-Use MCP Server with 52+ Services </h1> <p>Every MCP server I found was either free (good luck scaling), subscription-based (hello, vendor lock-in), or

<p>Most MCP tutorials stop at a single stdio tool. These notes cover what I had to change once a server of mine had actual users, in the order the problems appeared.</p> <h2>

<p>If you're building an MCP server, sooner or later someone is going to ask: how does authentication work?</p> <p>The MCP spec leaves this open. Most early servers shipped with

<p>In January and February 2026, security researchers filed <a href="https://www.heyuan110.com/posts/ai/2026-03-10-mcp-security-2026/" rel="noopener noreferrer">30 CVEs against

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<p>REST APIs gave humans (and the code they wrote) a standardized way to access software over the network.</p> <p>MCP is trying to do the same thing for agents.</p> <p>That simple

<h1> Agents now buy live data with MPP — here's a working example </h1> <p>MPP (Machine Payments Protocol) launched March 18 with Stripe, Visa, Cloudflare, and 100+ ecosystem

<p>Two months ago I shipped UNPWNED, a passive web security scanner aimed at indie hackers and developers shipping AI-generated code (Cursor, Lovable, Bolt, Replit, v0).</p> <p>I