guides

2 posts with the tag “guides”

ChatGPT Creates a New MCP Session for Every Tool Call. Claude Doesn't.

Apr 7, 2026

MCPR Team

We caught ChatGPT and Claude red-handed using the same MCP server completely differently. One creates a fresh session per tool call. The other reuses one. Here’s the data from our proxy dashboard — and why it matters for every MCP server developer.

MCP App CSP Explained: Why Your Widget Won't Render in ChatGPT and Claude

Apr 3, 2026

MCPR Team

Your MCP App widget loads a blank iframe. No error. No hint. Here’s exactly what’s happening — the three CSP domain arrays, the five mistakes that break your widget, and how to debug them.