MCP Apps
The reply can be an interface.
An MCP App is still an MCP server. The tool returns a UI resource. The host renders it in a sandbox. Your clicks become the next turn. PulseMCP and the host catalogs track the same spec. Here, an App is a listing at /mcp.
Read the journal note. The protocol extension is on modelcontextprotocol.io.
Chat
chart-server
Plot signups for the last week.
Called render_chartui://chart/signups
sandboxed app
Signups, sample data
Wiring
How it is wired
In the directory
Servers here that mention the UI spec
Verified MCP Apps first: Asana, Slack, Figma, Canva, Excalidraw and the official examples. Then servers whose README mentions the UI spec. Each card is a normal directory page.
