# app block

An MCP App: HTML the agent ships as an asset. Every client shows its title and a Run control; the web client and the Android app run it in a sandbox, and other clients show fallback instead.

Source: https://anywe.dev/docs/interactions/app

import { InteractionBlockPage } from "../../reference/InteractionBlockPage";

# app block

This canonical lookup describes the published app interaction shape, the present renderer support, its return path, and the trust boundary that applies when it is shown to a person.

For how this differs from other hosts, see [MCP Apps on Anywe](/docs/guides/mcp-apps).