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title: 5 Tips for Building MCP Apps That Work | daily.dev
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> ## Documentation Index
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# 5 Tips for Building MCP Apps That Work

**[MCP: Model Context Protocol](https://daily.dev/sources/mcp)** · [@blackgirlbytes](https://daily.dev/blackgirlbytes) · 0 upvotes · 0 comments

## Summary

MCP Apps enable interactive UI rendering inside AI agents using the Model Context Protocol. Key implementation tips include adapting to host environment context (theme, viewport, locale), controlling data visibility between models and views using content/structuredContent/_meta, handling loading and error states properly, keeping models informed via sendMessage and updateModelContext, and restricting tool visibility to prevent unintended model actions. Apps run in sandboxed iframes and communicate with hosts through capability negotiation.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://block.github.io/goose/blog/2026/01/30/5-tips-building-mcp-apps/>

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---

Tags: [#ai-agents](https://daily.dev/tags/ai-agents), [#mcp](https://daily.dev/tags/mcp), [#react](https://daily.dev/tags/react)

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