kapynDev Tools

Adding a custom MCP server to Claude and ChatGPT

Simon Willison outlines the multi-step process for connecting custom Model Context Protocol servers to Claude and ChatGPT. The guide helps developers navigate the configuration hurdles required to link private data sources and tools directly into mainstream chat interfaces. This integration streamlines workflows for builders experimenting with context-aware agentic setups across different LLM platforms.

Simon Willison·Jul 29, 2026

Opening Kapyn…