What is MCP SSE Demo: Push Limits, Solve Bottlenecks with Bun Runtime?
This demo showcases how a Server-Sent Events (SSE) server behaves differently when using the Bun runtime versus Node.js. The goal is to identify performance bottlenecks specific to Bun by reproducing scenarios where SSE connections hang or fail, while Node.js handles the same workload smoothly. For example, you might notice pending requests stuck indefinitely with Bun but see instant responses with Node.js.
How to Use MCP SSE Demo: Push Limits, Solve Bottlenecks with Bun Runtime?
Start by installing dependencies via Bun. Launch the MCP inspector tool at http://localhost:5173, then configure it to target your SSE endpoint. Run the server first with Bun and observe connection issues in the browser’s network tab. Switch to Node.js by restarting the server, and watch the same setup work flawlessly. This side-by-side test helps pinpoint runtime-specific quirks.