Insights, tutorials, and updates about MCP Apps and ChatGPT Apps.
Test Claude Connectors locally with a practical MCP, iframe, and live-host checklist. Learn where sunpeak simulations help and where a real Claude check is still required.
Use Playwright to test Claude Connectors and ChatGPT Apps in real host sessions. Learn which failures only live tests catch, how to build stable smoke tests, and where local MCP App testing still belongs.
Debug Claude Connector connection, OAuth, tool selection, MCP protocol, tool result, and MCP App UI failures with a repeatable local-to-production workflow.
A current developer guide to authentication for Claude Connectors. Covers OAuth, CIMD, DCR, Anthropic-held credentials, static headers, Enterprise Managed Auth, callback URLs, protected resource metadata, token refresh, and local testing.
Claude Connectors are MCP-backed integrations that let Claude use external tools and data. Learn how web connectors, custom remote MCP connectors, desktop extensions, auth, permissions, interactive UI, and testing work in 2026.
A refreshed guest post by our friends at Fractal on how to prototype ChatGPT Apps and MCP Apps before a full engineering build, validate the trigger and UI with users, then use sunpeak to test the app as it grows.
Build an interactive Claude Connector from scratch. Learn the current remote MCP architecture, create tools and MCP App resources, test locally with the multi-host inspector, connect to a real Claude session, and prepare for Connectors Directory submission.
