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OpenAI's mcp-extensions gives plugins sidebars and file viewers

The official repo offers TypeScript and Python SDKs so MCP servers can add sidebar entries, custom file viewers, composer mentions and extended forms inside ChatGPT, not just callable tools.

恒星sun

@vintcessunArchived 25 days agoOriginally posted 2026.10.02

OpenAI's mcp-extensions gives plugins sidebars and file viewers (image 1 of 3)

OpenAI's mcp-extensions gives plugins sidebars and file viewers (image 2 of 3)

OpenAI's mcp-extensions gives plugins sidebars and file viewers (image 3 of 3)

恒星sun @vintcessunOriginally posted 2026.10.02

Open original on X

插件不一定要停在“能调用工具”：MCP Extensions让它还能拥有侧边栏入口、文件专属查看器、输入框中的资源提及和扩展表单，更像 ChatGPT 里的原生功能。 https://github.com/openai/mcp-extensions 它给 MCP 服务器提供 TypeScript、Python SDK，把这些交互能力接进插件。值得关注的不是多一层包装，而是开发者能直接设计用户如何找到、打开、选择内容，不必把所有流程塞进聊天消息里。

x.com/vintcessun/status/2105877453780746252Archived 2026.10.03 11:30