I tried the Lovable no-code app development platform, and saw how it uses AI to create, extend, and debug fully responsive, feature-rich web apps

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X now offers an MCP server to make its platform easier for AI tools to use

X has launched a hosted MCP server, making it easier for developers to connect AI applications with the company’s API.
GitHub

Apple On-Device OpenAI API

A SwiftUI application that creates an OpenAI-compatible API server using Apple's on-device Foundation Models. This allows you to use Apple Intelligence models locally through familiar OpenAI API ...