Developer Tools
sunpeak
sunpeak is a server-agnostic MCP testing framework and full-stack, open-source MCP App framework.

About the product
sunpeak is a server-agnostic MCP testing framework and full-stack, open-source MCP App framework. Run E2E and visual tests in CI across every host, theme, and data combo. Iterate with HMR in ChatGPT and automatic rebuilds in Claude. Ship MCP Apps for ChatGPT, Claude, and other AI hosts without paid host accounts or AI credits.
