Nuxt MCP Toolkit now supports MCP apps
Nuxt MCP Toolkit now lets agent tools return interactive HTML instead of plain text — Claude and ChatGPT render it inline.

Why it matters
Developer infrastructure for building richer agent interfaces. Vercel is lowering the friction for shipping interactive AI agent tools, enabling developers to move beyond text-only responses in Claude and ChatGPT integrations.
The key facts
11 to knowNuxt MCP Toolkit adds MCP apps support
Agent tools can return interactive HTML responses rendered inline in Claude and ChatGPT
New defineMcpApp macro and useMcpApp composable enable pre-hydrated data, follow-up prompts, and tool chaining from UI
Vue SFCs bundled into self-contained HTML files at build time
Serves from MCP endpoint
Nuxt MCP Toolkit now supports MCP apps
Agent tools can return interactive HTML responses rendered inline by Claude and ChatGPT
defineMcpApp macro for tool declaration
useMcpApp composable for pre-hydrated data, follow-up prompts, and cross-tool calls
Served from MCP endpoint
Published May 19, 2026
Go to the source
Vercel Blogvercel.com
Publisher excerpt: The now supports . Your agent tools can return interactive HTML responses that MCP clients like Claude and ChatGPT render inline, rather than plain-text responses.Nuxt MCP ToolkitMCP apps Declare a tool with the macro, then read pre-hydrated data, trigger follow-up prompts, or call other tools from…