GH Repository · modelcontextprotocol
ext-apps
Official repo for spec & SDK of MCP Apps protocol — standard for UIs embedded AI chatbots, served by MCP servers
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mcp-serveruinodemodelcontextprotocolTypeScriptmcp-appstypescriptmcpappsai
ext-apps is the official repository for the specification and SDK of the MCP Apps protocol, a standard for user interfaces embedded in AI chatbots and served by MCP servers. It is written in TypeScript and published under the modelcontextprotocol organization.
You want to build or serve UIs for AI chatbots using the standard MCP Apps protocol.
Use it to
- Read the MCP Apps protocol specification
- Build UIs embedded in AI chatbots
- Serve UI apps from MCP servers
- Develop against the MCP Apps SDK
For Developers building MCP servers and embedded chat UIs
- Role
- mcp-server
- Language
- TypeScript
- Licence
- custom (licence file present)
- Forks
- 382
- Open issues
- 124
- Last push
- 2026-09-16
- Latest release
- v0.0.2 · 2025-12-08
topicsmcpappsuiaitypescriptspecification