File-Based Collection
Drop files into tools/, resources/, and prompts/ and Chapplin registers them automatically.
Chapplin
A framework for building MCP servers and MCP Apps with type-safe JSX
What is Chapplin?
Section titled “What is Chapplin?”Chapplin is a Vite-based framework for building MCP servers and MCP Apps (interactive UI) with type-safe JSX.
Type-Safe UI
Define schemas once and get typed input/output in your UI components.
Single-File App HTML
MCP Apps are bundled into a single HTML asset ready for the host.
Multiple UI Targets
Use React, Preact, Solid, or Hono JSX with the same API.